Gold Sodium Thiomalate (Myochrysine)
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Gold Sodium Thiomalate (Myochrysine)

MYOCHRYSINE®
(gold sodium thiomalate) Injection, USP, 50 mg/mL

Physicians planning to use Gold Sodium Thiomalate should thoroughly familiarize themselves with its toxicity and its benefits. The possibility of toxic reactions should always be explained to the patient before starting therapy. Patients should be warned to report promptly any symptoms suggesting toxicity. Before each injection of Gold Sodium Thiomalate, the physician should review the results of laboratory work, and see the patient to determine the presence or absence of adverse reactions since some of these can be severe or even fatal.

DRUG DESCRIPTION

Gold Sodium Thiomalate is a sterile aqueous solution. It contains 0.5 percent BENZYL alcohol added as a preservative. The pH of the product is 5.8 to 6.5.

Gold Sodium Thiomalate is a mixture of the mono- and di-sodium salts of gold thiomalic acid. The structural formula is:

MYOCHRYSINE (Gold Sodium Thiomalate) Structural Formula Illustration

mercaptobutanedioic acid, monogold (1+) sodium salt

The molecular weight for C4H3AuNa2O4S (the disodium salt) is 390.07 and for C4H4AuNaO4S (the mono-sodium salt) is 368.09.

Gold Sodium Thiomalate is supplied as a solution for intramuscular injection containing 50 mg of Gold Sodium Thiomalate per mL.

What are the possible side effects of gold sodium thiomalate (Myochrysine)?

Stop taking gold sodium thiomalate and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives).

Rarely, other serious side effects may also occur. Call your doctor immediately if you experience any of the following:

  • itching or a rash;
  • a sore mouth, indigestion, or a metallic taste in the mouth;
  • severe or bloody diarrhea;
  • easy bruising or a nosebleed;
  • yellow skin or eyes;
  • abdominal...

Read All Potential Side Effects and See Pictures of Myochrysine »

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

INDICATIONS

Gold Sodium Thiomalate is indicated in the treatment of selected cases of active rheumatoid arthritis—both adult and juvenile type. The greatest benefit occurs in the early active stage. In late stages of the illness when cartilage and bone damage have occurred, gold can only check the progression of rheumatoid arthritis and prevent further structural damage to joints. It cannot repair damage caused by previously active disease.

Gold Sodium Thiomalate should be used only as one part of a complete program of therapy; alone it is not a complete treatment.

DOSAGE AND ADMINISTRATION

Gold Sodium Thiomalate should be administered only by intramuscular injection, preferably intragluteally. It should be given with the patient lying down. He should remain recumbent for approximately 10 minutes after the injection.

Therapeutic effects from Gold Sodium Thiomalate occur slowly. Early improvement, often limited to a reduction in morning stiffness, may begin after six to eight weeks of treatment, but beneficial effects may not be observed until after months of therapy.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration. Do not use if material has darkened. Color should not exceed pale yellow.

For the adult of average size the following dosage schedule is suggested:

Weekly Injections:

1st injection............................................................. 10 mg

2nd injection........................................................... 25 mg

3rd and subsequent injections, 25 to 50 mg until there is toxicity or major clinical improvement, or, in the absence of either of these, the cumulative dose of Gold Sodium Thiomalate reaches one gram.

Gold Sodium Thiomalate is continued until the cumulative dose reaches one gram unless toxicity or major clinical improvement occurs. If significant clinical improvement occurs before a cumulative dose of one gram has been administered, the dose may be decreased or the interval between injections increased as with maintenance therapy. Maintenance doses of 25 to 50 mg every other week for two to 20 weeks are recommended. If the clinical course remains stable, injections of 25 to 50 mg may be given every third and subsequently every fourth week indefinitely. Some patients may require maintenance treatment at intervals of one to three weeks. Should the arthritis exacerbate during maintenance therapy, weekly injections may be resumed temporarily until disease activity is suppressed. Should a patient fail to improve during initial therapy (cumulative dose of one gram), several options are available.

  1. the patient may be considered to be unresponsive and Gold Sodium Thiomalate is discontinued.
  2. the same dose (25 to 50 mg) of Gold Sodium Thiomalate may be continued for approximately ten additional weeks.
  3. the dose of Gold Sodium Thiomalate may be increased by increments of 10 mg every one to four weeks, not to exceed 100 mg in single injection.

If significant clinical improvement occurs using option 2 or 3, the maintenance schedule described above should be initiated. If there is no significant improvement or if toxicity occurs, therapy with Gold Sodium Thiomalate should be stopped. The higher the individual dose of Gold Sodium Thiomalate, the greater the risk of gold toxicity. Selection of one of these options for chrysotherapy should be based upon a number of factors, including the physician's experience with gold salt therapy, the course of the patient's condition, the choice of alternative treatments, and the availability of the patient for the close supervision required.

Juvenile Rheumatoid Arthritis

The pediatric dose of Gold Sodium Thiomalate is proportional to the adult dose on a weight basis. After the initial test dose of 10 mg, the recommended dose for children is one mg per kilogram body weight, not to exceed 50 mg for a single injection. Otherwise, the guidelines given above for administration to adults also apply to children.

Concomitant Drug Therapy—Gold salts should not be used concomitantly with penicillamine.

The safety of coadministration with cytotoxic drugs has not been established. Other measures, such as salicylates, other nonsteroidal anti-inflammatory drugs, or systemic corticosteroids, may be continued when Gold Sodium Thiomalate is initiated. After improvement commences, analgesic and anti-inflammatory drugs may be discontinued slowly as symptoms permit.

HOW SUPPLIED

Injection Gold Sodium Thiomalate is a light yellow to yellow solution, depending on potency, which must be protected from light. It is supplied as follows:

NDC 11098-533-01 Gold Sodium Thiomalate, 50 mg per mL, 1 mL in 2 mL (partially filled) vials in packages of 6.
NDC 11098-533-10 Gold Sodium Thiomalate, 50 mg per mL, 10 mL vials.

STORAGE: Store at 20° to 25°C (68° to 77°F). [See USP Controlled Room Temperature]. Protect from light. Store container in carton until contents have been used.

Taylor Pharmaceuticals, Decatur, IL 62522. Rev. 03/06. FDA revision date: n/a

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

SIDE EFFECTS

A variety of adverse reactions may develop during the initial phase (weekly injections) of therapy or during maintenance treatment. Adverse reactions are observed most frequently when the cumulative dose of Gold Sodium Thiomalate administered is between 400 and 800mg. Very uncommonly, complications occur days to months after cessation of treatment.

Cutaneous reactions: Dermatitis is the most common reaction. Any eruption, especially if pruritic, that develops during treatment with Gold Sodium Thiomalate should be considered a reaction to gold until proven otherwise. Pruritus often exists before dermatitis becomes apparent, and therefore should be considered a warning signal of impending cutaneous reaction. The most serious form of cutaneous reaction is generalized exfoliative dermatitis which may lead to alopecia and shedding of nails. Gold dermatitis may be aggravated by exposure to sunlight or an actinic rash may develop.

Mucous membrane reactions: Stomatitis is the second most common adverse reaction. Shallow ulcers on the buccal membranes, on the borders of the tongue, and on the palate or in the pharynx may occur as the only adverse reaction, or along with dermatitis. Sometimes diffuse glossitis or gingivitis develops. A metallic taste may precede these oral mucous membrane reactions and should be considered a warning signal.

Conjunctivitis is a rare reaction.

Renal reactions: Gold may be toxic to the kidney and produce a nephrotic syndrome or glomerulitis with hematuria. These renal reactions are usually relatively mild and subside completely if recognized early and treatment is discontinued. They may become severe and chronic if treatment is continued after onset of the reaction. Therefore, it is important to perform a urinalysis before every injection, and to discontinue treatment promptly if proteinuria or hematuria develops.

Hematologic reactions: Blood dyscrasia due to gold toxicity is rare, but because of the potential serious consequences it must be constantly watched for and recognized early by frequent blood examinations done throughout treatment. Granulocytopenia; thrombocytopenia, with or without purpura; hypoplastic and aplastic anemia; and eosinophilia have all been reported. These hematologic disorders may occur separately or in combinations.

Nitritoid and allergic reactions: Reactions of the “nitritoid type” which may resemble anaphylactoid effects have been reported. Flushing, fainting, dizziness and sweating are most frequently reported. Other symptoms that may occur include: nausea, vomiting, malaise, headache, and weakness.

More severe, but less common effects include: anaphylactic shock, syncope, bradycardia, thickening of the tongue, difficulty in swallowing and breathing, and angioneurotic edema. These effects may occur almost immediately after injection or as late as 10 minutes following injection. They may occur at any time during the course of therapy and if observed, treatment with Gold Sodium Thiomalate should be discontinued.

Miscellaneous reactions: Gastrointestinal reactions have been reported, including nausea, vomiting, anorexia, abdominal cramps and diarrhea. Ulcerative enterocolitis, which can be severe or even fatal, has been reported rarely.

There have been rare reports of reactions involving the eye such as iritis, corneal ulcers, and gold deposits in ocular tissues. Peripheral and central nervous system complications have been reported rarely. Peripheral neuropathy, with or without, fasciculations, sensorimotor effects (including Guillain-Barré syndrome) and elevated spinal fluid protein have been reported. Central nervous system complications have included confusion, hallucinations and seizures. Usually these signs and symptoms cleared upon discontinuation of gold therapy.

Hepatitis, jaundice, with or without cholestasis, gold bronchitis, pulmonary injury manifested by interstitial pneumonitis and fibrosis, partial or complete hair loss and fever have also been reported.

Sometimes arthralgia occurs for a day or two after an injection of Gold Sodium Thiomalate; this reaction usually subsides after the first few injections.

Management Of Adverse Reactions

Treatment with Gold Sodium Thiomalate should be discontinued immediately when toxic reactions occur. Minor complications such as localized dermatitis, mild stomatitis, or slight proteinuria generally require no other therapy and resolve spontaneously with suspension of Gold Sodium Thiomalate. Moderately severe skin and mucous membrane reactions often benefit from topical corticosteroids, oral antihistaminics, and soothing or anesthetic lotions.

If stomatitis or dermatitis becomes severe or more generalized, systemic corticosteroids (generally, prednisone 10 to 40 mg daily in divided doses) may provide symptomatic relief.

For serious renal, hematologic, pulmonary, and enterocolitic complications, high doses of systemic corticosteroids (prednisone 40 to 100 mg daily in divided doses) are recommended. The optimum duration of corticosteroid treatment varies with the response of the individual patient. Therapy may be required for many months when adverse effects are unusually severe or progressive.

In patients whose complications do not improve with high-dose corticosteroid treatment, or who develop significant steroid-related adverse reactions, a chelating agent may be given to enhance gold excretion. Dimercaprol (BAL) has been used successfully, but patients must be monitored carefully as numerous untoward reactions may attend its use. Corticosteroids and a chelating agent may be used concomitantly.

Gold Sodium Thiomalate should not be reinstituted after severe or idiosyncratic reactions.

Gold Sodium Thiomalate may be readministered following resolution of mild reactions, using a reduced dosage schedule. If an initial test dose of 5 mg Gold Sodium Thiomalate is well-tolerated, progressively larger doses (5 to 10 mg increments) may be given at weekly to monthly intervals until a dose of 25 to 50 mg is reached.

Read the Myochrysine (gold sodium thiomalate) Side Effects Center for a complete guide to possible side effects »

DRUG INTERACTIONS

No information provided.

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

WARNINGS

Before treatment is started, the patient's hemoglobin, erythrocyte, white blood cell, differential and platelet counts should be determined, and urinalysis should be done to serve as basic reference. Urine should be analyzed for protein and sediment changes prior to each injection. Complete blood counts including platelet estimation should be made before every second injection throughout treatment. The occurrence of purpura or ecchymoses at any time always requires a platelet count.

Danger signals of possible gold toxicity include: rapid reduction of hemoglobin, leukopenia below 4000 WBC/mm³, eosinophilia above 5 percent, platelet decrease below 100,000/mm³, albuminuria, hematuria, pruritus, skin eruption, stomatitis, or persistent diarrhea. No additional injections of Gold Sodium Thiomalate should be given unless further studies show these abnormalities to be caused by conditions other than gold toxicity.

PRECAUTIONS

General

Gold salts should not be used concomitantly with penicillamine.

The safety of coadministration with cytotoxic drugs has not been established.

Caution is indicated in the use of Gold Sodium Thiomalate in patients with the following:

  1. a history of blood dyscrasias such as granulocytopenia or anemia caused by drug sensitivity,
  2. allergy or hypersensitivity to medications,
  3. skin rash,
  4. previous kidney or liver disease,
  5. marked hypertension,
  6. compromised cerebral or cardiovascular circulation.

Diabetes mellitus or congestive heart failure should be under control before gold therapy is instituted.

Carcinogenicity

Renal adenomas have been reported in long-term toxicity studies of rats receiving Gold Sodium Thiomalate at high dose levels (2 mg/kg weekly for 45 weeks, followed by 6mg/kg daily for 47 weeks), approximately 2 to 42 times the usual human dose. These adenomas are histologically similar to those produced in rats by chronic administration of experimental gold compounds and other heavy metals, such as lead. No reports have been received of renal adenomas in man in association with the use of Gold Sodium Thiomalate.

Pregnancy

Pregnancy Category C.

Gold Sodium Thiomalate has been shown to be teratogenic during the organogenetic period in rats and rabbits when given in doses, respectively, of 140 and 175 times the usual human dose. Hydrocephaly and microphthalmia were the malformations observed in rats when Gold Sodium Thiomalate was administered subcutaneously at a dose of 25 mg/kg/day from day 6 through day 15 of gestation. In rabbits, limb malformations and gastroschisis were the malformations observed when Gold Sodium Thiomalate was administered subcutaneously at doses of 20 - 45 mg/kg/day from day 6 through day 18 of gestation.

There are no adequate and well-controlled studies in pregnant women. Gold Sodium Thiomalate should be used during pregnancy only if the potential benefit to the mother justifies the potential risk to the fetus.

Nursing Mothers

The presence of gold has been demonstrated in the milk of lactating mothers. In addition, gold has been found in the serum and red blood cells of a nursing infant. In view of the above findings and because of the potential for serious adverse reactions in nursing infants from Gold Sodium Thiomalate, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother. The slow excretion and persistence of gold in the mother, even after therapy is discontinued, must also be kept in mind.

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

OVERDOSE

No information provided.

CONTRAINDICATIONS

Hypersensitivity to any component of this product.

Severe toxicity resulting from previous exposure to gold or other heavy metals.

Severe debilitation.

Systemic lupus erythematosus.

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

CLINICAL PHARMACOLOGY

The mode of action of Gold Sodium Thiomalate is unknown. The predominant action appears to be a suppressive effect on the synovitis of active rheumatoid disease.

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

PATIENT INFORMATION

No information provided. Please refer to the WARNINGS and PRECAUTIONS sections.

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

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PATIENT INFORMATION

No information provided. Please refer to the WARNINGS and PRECAUTIONS sections.

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

MYOCHRYSINE®
(gold sodium thiomalate) Injection, USP, 50 mg/mL

Physicians planning to use Gold Sodium Thiomalate should thoroughly familiarize themselves with its toxicity and its benefits. The possibility of toxic reactions should always be explained to the patient before starting therapy. Patients should be warned to report promptly any symptoms suggesting toxicity. Before each injection of Gold Sodium Thiomalate, the physician should review the results of laboratory work, and see the patient to determine the presence or absence of adverse reactions since some of these can be severe or even fatal.

DRUG DESCRIPTION

Gold Sodium Thiomalate is a sterile aqueous solution. It contains 0.5 percent BENZYL alcohol added as a preservative. The pH of the product is 5.8 to 6.5.

Gold Sodium Thiomalate is a mixture of the mono- and di-sodium salts of gold thiomalic acid. The structural formula is:

MYOCHRYSINE (Gold Sodium Thiomalate) Structural Formula Illustration

mercaptobutanedioic acid, monogold (1+) sodium salt

The molecular weight for C4H3AuNa2O4S (the disodium salt) is 390.07 and for C4H4AuNaO4S (the mono-sodium salt) is 368.09.

Gold Sodium Thiomalate is supplied as a solution for intramuscular injection containing 50 mg of Gold Sodium Thiomalate per mL.

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

MYOCHRYSINE®
(gold sodium thiomalate) Injection, USP, 50 mg/mL

Physicians planning to use Gold Sodium Thiomalate should thoroughly familiarize themselves with its toxicity and its benefits. The possibility of toxic reactions should always be explained to the patient before starting therapy. Patients should be warned to report promptly any symptoms suggesting toxicity. Before each injection of Gold Sodium Thiomalate, the physician should review the results of laboratory work, and see the patient to determine the presence or absence of adverse reactions since some of these can be severe or even fatal.

DRUG DESCRIPTION

Gold Sodium Thiomalate is a sterile aqueous solution. It contains 0.5 percent BENZYL alcohol added as a preservative. The pH of the product is 5.8 to 6.5.

Gold Sodium Thiomalate is a mixture of the mono- and di-sodium salts of gold thiomalic acid. The structural formula is:

MYOCHRYSINE (Gold Sodium Thiomalate) Structural Formula Illustration

mercaptobutanedioic acid, monogold (1+) sodium salt

The molecular weight for C4H3AuNa2O4S (the disodium salt) is 390.07 and for C4H4AuNaO4S (the mono-sodium salt) is 368.09.

Gold Sodium Thiomalate is supplied as a solution for intramuscular injection containing 50 mg of Gold Sodium Thiomalate per mL.

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

MYOCHRYSINE®
(gold sodium thiomalate) Injection, USP, 50 mg/mL

Physicians planning to use Gold Sodium Thiomalate should thoroughly familiarize themselves with its toxicity and its benefits. The possibility of toxic reactions should always be explained to the patient before starting therapy. Patients should be warned to report promptly any symptoms suggesting toxicity. Before each injection of Gold Sodium Thiomalate, the physician should review the results of laboratory work, and see the patient to determine the presence or absence of adverse reactions since some of these can be severe or even fatal.

DRUG DESCRIPTION

Gold Sodium Thiomalate is a sterile aqueous solution. It contains 0.5 percent BENZYL alcohol added as a preservative. The pH of the product is 5.8 to 6.5.

Gold Sodium Thiomalate is a mixture of the mono- and di-sodium salts of gold thiomalic acid. The structural formula is:

MYOCHRYSINE (Gold Sodium Thiomalate) Structural Formula Illustration

mercaptobutanedioic acid, monogold (1+) sodium salt

The molecular weight for C4H3AuNa2O4S (the disodium salt) is 390.07 and for C4H4AuNaO4S (the mono-sodium salt) is 368.09.

Gold Sodium Thiomalate is supplied as a solution for intramuscular injection containing 50 mg of Gold Sodium Thiomalate per mL.

Last reviewed on RxList: 11/25/2008
This monograph has been modified to include the generic and brand name in many instances.

Myochrysine Patient Information Including Side Effects

Brand Names: Myochrysine

Generic Name: gold sodium thiomalate (Pronunciation: gold SOE dee um thye OH ma late)

What is gold sodium thiomalate (Myochrysine)?

Gold sodium thiomalate is a form of gold. Gold suppresses the inflammatory process.

Gold sodium thiomalate is used as an injection to treat adult and juvenile rheumatoid arthritis.

Gold sodium thiomalate may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of gold sodium thiomalate (Myochrysine)?

Stop taking gold sodium thiomalate and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives).

Rarely, other serious side effects may also occur. Call your doctor immediately if you experience any of the following:

  • itching or a rash;
  • a sore mouth, indigestion, or a metallic taste in the mouth;
  • severe or bloody diarrhea;
  • easy bruising or a nosebleed;
  • yellow skin or eyes;
  • abdominal pain;
  • seizures;
  • confusion or hallucinations;
  • blood in vomit or stools;
  • blood in the urine or painful urination; or
  • shortness of breath; or
  • weakness, dizziness, nausea, vomiting, sweating, fainting, and flushing shortly after an injection.

In addition, less serious side effects may be more likely to occur. Talk to your doctor if you experience any of the following:

  • diarrhea or loose stools;
  • nausea, stomach upset, decreased appetite;
  • changes in taste; or
  • sores or ulcers in the mouth.

Arthritic symptoms may appear to worsen for 1 to 2 days following an injection and should decrease with subsequent injections.

Gold sodium thiomalate can cause serious side effects involving white and red blood cells. Your doctor will want to test your blood and urine before each injection to monitor any changes before they become dangerous.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Myochrysine (gold sodium thiomalate) Side Effects Center for a complete guide to possible side effects »

What is the most important information I should know about gold sodium thiomalate (Myochrysine)?

Contact your doctor immediately if you experience itching, a rash, a sore mouth, indigestion, a metallic taste in the mouth, severe or bloody diarrhea, easy bruising, or a nosebleed. These could be early signs of a toxic effect.

In rare cases, exposure to sunlight may cause areas of the skin to turn a bluish-gray color. To lessen this effect, minimize exposure to sunlight and wear a sunscreen and protective clothing when exposure to the sun is unavoidable.

Side Effects Centers

Myochrysine Patient Information including How Should I Take

What should I discuss with my healthcare provider before taking gold sodium thiomalate (Myochrysine)?

Before taking gold sodium thiomalate, tell your doctor if you

  • have ever had any type of reaction to a gold compound or to any other medication;
  • have a history of bone marrow depression or blood problems;
  • have kidney disease;
  • have liver disease;
  • have congestive heart failure, high blood pressure, or any other type of heart disease;
  • have diabetes;
  • have inflammatory bowel disease;
  • have a rash; or
  • have severe lung disease.

You may not be able to take gold sodium thiomalate, or you may require a dosage adjustment or special monitoring during your therapy if you have any of these conditions.

Gold sodium thiomalate is in the FDA pregnancy category C. This means that it is not known whether gold sodium thiomalate will be harmful to an unborn baby. Gold sodium thiomalate does cross the placenta, and may accumulate in the tissue of a baby. Do not take gold sodium thiomalate without first talking to your doctor if you are pregnant or could become pregnant during treatment.

Gold sodium thiomalate passes into breast milk and may affect a nursing infant. Gold sodium thiomalate is not recommended for use during breast-feeding. Do not take gold sodium thiomalate without first talking to your doctor if you are breast-feeding a baby.

How should I take gold sodium thiomalate (Myochrysine)?

Gold sodium thiomalate is given by injection. Your doctor or nurse will administer your doses, usually on a weekly basis to begin with, then every other week to monthly, depending upon your response to the medication.

You may want to lie down after injections, and your doctor will want to monitor you for side effects for 10 to 15 minutes following each shot.

Gold sodium thiomalate can cause serious side effects involving white and red blood cells. Your doctor will want to test your blood and urine before each injection to monitor any changes before they become dangerous.

Do not stop using gold sodium thiomalate without first talking to your doctor. It may take up to 3 months for you to see any effects from this medication, and it may be 6 months or more before the full benefits are realized.

Side Effects Centers

Myochrysine Patient Information including If I Miss a Dose

What happens if I miss a dose (Myochrysine)?

Doses are given on a weekly basis. You should receive the missed dose as soon as possible, but a double dose should not be injected to make up for a missed dose.

What happens if I overdose (Myochrysine)?

Seek emergency medical attention if an overdose is suspected.

Symptoms of an gold sodium thiomalate overdose include blood in the urine, painful urination, fever, sores or ulcers in the mouth, nausea, vomiting, diarrhea, rash, and itching. A gold sodium thiomalate overdose can result in death.

What should I avoid while using gold sodium thiomalate (Myochrysine)?

In rare cases, exposure to sunlight may cause areas of the skin to turn a bluish-gray color. To lessen this effect, minimize exposure to sunlight and wear a sunscreen and protective clothing when exposure to the sun is unavoidable.

What other drugs will affect gold sodium thiomalate (Myochrysine)?

Before using gold sodium thiomalate, tell your doctor and pharmacist about all prescription and over-the-counter medicines that you take, including vitamins, minerals, and herbal products, so that your treatment can be monitored for interactions.

Where can I get more information?

Your pharmacist has more information about gold sodium thiomalate written for health professionals that you may read.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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