Sulfamethizole

Sulfamethizole treats certain types of infections. Take this medication with plenty of water.

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What are you taking Sulfamethizole for?

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Other
Gram-negative Bacterial Infections
Gram-positive Bacterial Infections
Urinary Tract Infections

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Less than a week
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A month or so
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Uses of Sulfamethizole

Updated: September 15, 2015

Sulfamethizole is used in the treatment of:

Gram-Negative Bacterial Infections
Gram-Positive Bacterial Infections
Urinary Tract Infections

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.

Sulfamethizole Brand Names

Sulfamethizole may be found in some form under the following brand names:

Sulfamethizole Drug Class

Sulfamethizole is part of the drug class:

Short acting sulfonamides

Sulfamethizole Interactions

Tell your doctor about all the medicines you take including prescription and non-prescription medicines, vitamins, and herbal supplements. Especially tell your doctor if you take:

CYCLOSPORINE/SULFAMETHIZOLE
METHOTREXATE/SULFAMETHIZOLE
PRALATREXATE/SULFAMETHIZOLE

This is not a complete list of Sulfamethizoledrug interactions. Ask your doctor or pharmacist for more information.

Sulfamethizole and Pregnancy

Tell your doctor if you are pregnant or plan to become pregnant.

The FDA categorizes medications based on safety for use during pregnancy. Five categories - A, B, C, D, and X, are used to classify the possible risks to an unborn baby when a medication is taken during pregnancy.

Sulfamethizole falls into category C:

In animal studies, pregnant animals were given this medication and had some babies born with problems. No well-controlled studies have been done in humans, though. Therefore, this medication may be used if the potential benefits to the mother outweigh the potential risks to the unborn child.

There are no well-controlled studies that have been done in pregnant women. Sulfamethizole should be used during pregnancy only if the possible benefit outweighs the possible risk to the unborn baby.

No studies have been done in animals, and no well-controlled studies have been done in pregnant women. Sulfamethizole should be given to a pregnant woman only if clearly needed.