Griseofulvin (By Mouth)

Griseofulvin (gri-see-oh-FUL-vin)

Treats various types of fungus infections such as ringworm, "jock itch," and athlete's foot.Belongs to a class of drugs called antifungals.

Brand Name(s):

Grifulvin V, Gris-PEG, Fulvicin P/G
There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have ever had an allergic reaction to griseofulvin or penicillin.

How to Use This Medicine:

Tablet, Capsule, Liquid

• Your doctor will tell you how much medicine to take and how often.
• Keep taking this medicine even if your symptoms are gone. If you stop taking griseofulvin too soon, your infection may return.
• You may take your medicine with food or milk to avoid stomach irritation.
• Shake the oral liquid well just before each use. Measure your dose with a measuring spoon.

If a dose is missed:

• Take your medicine as soon as you remember that you have missed your dose.
• If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose.
• You should not use two doses at one time.

How to Store and Dispose of This Medicine:

• Keep your medicine in the original tightly closed container, away from moisture and direct light. Do not freeze.
• Keep all medicine away from children.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

• Check with your doctor if you are taking blood thinners (such as Coumadin®) or birth control pills. Birth control pills with estrogen may not work as well while taking griseofulvin. Use a back-up method of birth control while taking this medicine.
• Avoid drinking alcohol while taking this medicine.

Warnings While Using This Medicine:

• If you are pregnant or breastfeeding, talk to your doctor before taking this medicine. Let your doctor know if you become pregnant while taking griseofulvin.
• Keep yourself clean to help control infection and prevent reinfection.
• Avoid sunlight and sun lamps. Wear protective clothing or sunscreen when you are outdoors.
• This medicine may cause drowsiness. Be careful when driving a car or using machinery.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

• Skin rash or itching
• Tingling in hands and feet
• Yellow skin and eyes
• White spots on the tongue or inside the cheeks

If you notice these less serious side effects, talk with your doctor:

• Dizziness
• Stomach upset or diarrhea

If you notice other side effects that you think are caused by this medicine, tell your doctor.