Gantrisin

Why should Gantrisin not be prescribed?

If your child is sensitive to or has ever had an allergic reaction to Gantrisin or other sulfa drugs, do not use this medication. Make sure your doctor is aware of any drug reactions the child has experienced.

Except in rare cases, doctors do not prescribe Gantrisin for infants less than 2 months of age. In addition, Gantrisin should never be taken by women at the end of pregnancy or those nursing a baby under 2 months.

Special warnings about Gantrisin

If your child has impaired kidney or liver function, or severe allergies or bronchial asthma, make sure your doctor knows about it. Caution should be exercised when taking Gantrisin.

An analysis of urine and kidney function should be performed by your doctor during treatment with Gantrisin, especially if your child has a kidney problem.

If your child develops a skin rash, stop Gantrisin therapy and call your doctor. Also notify the doctor if your child develops diarrhea.

Possible food and drug interactions when taking Gantrisin

If Gantrisin is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining this drug with the following:

Blood-thinning drugs such as Coumadin
Methotrexate, an anticancer drug
Oral diabetes drugs such as Micronase

Special information if you are pregnant or breastfeeding

There are no adequate and well controlled studies in pregnant women. This medication should never be used during pregnancy unless the doctor has determined that the benefits outweigh the potential risks. Gantrisin appears in breast milk. If this medication is essential, the doctor may recommend against breastfeeding until treatment with this drug is finished.

Recommended dosage

ADULTS

This medication should not be prescribed for infants under 2 months of age except in the treatment of congenital toxoplasmosis (a parasitic infection contracted by pregnant women and passed along to the fetus).

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