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Why is this medication prescribed?

The drug griseofulvin is used to treat fungal infections of the scalp, fingernails, and toenails as well as skin infections such jock itch, athlete’s foot, and ringworm.

You should speak with your doctor or pharmacist for more details if you want to take this drug for a different purpose.

How should this medicine be used?

There are three oral dosage forms of griseofulvin: tablets, capsules, and liquid. It can be taken up to four times day, however it is typically taken just once. You will need to take griseofulvin for a long period before the infection is fully gone, even though your symptoms may improve in a few days. For skin infections, it is often administered for 2 to 4 weeks, for hair and scalp infections for 4 to 6 weeks, for foot infections for 4 to 8 weeks, for fingernail infections for 3 to 4 months, and for toenail infections for at least 6 months. Ask your doctor or pharmacist to explain any instructions on your prescription label that you are unsure about following. Follow the medication’s directions precisely. Never take it in larger or less amounts or more frequently than directed by your doctor.

Before each usage, give the beverage a good shake to evenly distribute the medication.

Even if you feel well, keep taking griseofulvin. Without consulting your doctor, never stop taking griseofulvin.

What special precautions should I follow?

Before taking griseofulvin,

  • If you have an allergy to griseofulvin or any other drug, tell your doctor and pharmacist very away.
  • Inform your doctor and pharmacist of all prescription and over-the-counter medications you are taking, notably vitamins, oral contraceptives, cyclosporine (Neoral, Sandimmune), phenobarbital (Luminal), and other anticoagulants (often known as “blood thinners”).
  • If you have liver illness, porphyria, lupus, or a history of alcohol addiction, let your doctor know.
  • Inform your doctor if you are expecting, intend to get pregnant, or are nursing a baby. Call your doctor if you become pregnant while taking griseofulvin.
  • If you consume alcohol, let your doctor know.
    You should make a plan to limit your time spent in the sun and to wear sunscreen, sunglasses, and protective clothes. Your skin could become sun-sensitive if you take griseofulvin.

What should I do if I forget a dose?

If you miss a dosage, take it as soon as you recall. If the next dose is soon due, skip the missed one and carry on with your regular dosing plan. To make up for a missing dose, do not take a second one.

What side effects can this medication cause?

Side effects are possible with griseofulvin. If any of these symptoms are severe or do not go away, let your doctor know right once:

  • Headache
  • Uneasy stomach
  • Vomiting
  • Loose stools or diarrhea
  • Thirst
  • Fatigue
  • Dizziness
  • Faintness

Call your doctor right away if you have any of the following symptoms:

  • Fever
  • Unwell throat
  • Body rash
  • Mouth discomfort or irritability

You or your doctor can submit a report to the Food and Drug Administration’s (FDA) MedWatch Adverse Event Reporting program online at or by phone at 1-800-332-1088 if you have a serious side event.

What should I know about storage and disposal of this medication?

Keep this medication tightly closed in the original container and out of the reach of children. Keep it at room temperature and out of the bathroom and other places with excessive heat and moisture. Keep the liquid out of direct sunlight. Avoid freezing.

To make sure that pets, kids, and other people cannot take leftover pharmaceuticals, they should be disposed of in a specific manner. You shouldn’t flush this medication down the toilet, though. The best option to get rid of your medication is instead through a medication take-back program. To find out about take-back initiatives in your neighborhood, speak with your pharmacist or get in touch with your city’s waste/recycling department. If you do not have access to a take-back program, you can find more information at the FDA’s Safe Disposal of Medicines website (

As many containers (such as weekly pill minders and those for eye drops, creams, patches, and inhalers) are not child-resistant and are simple for young children to open, it is crucial to keep all medications out of sight and out of reach of children. Always lock safety caps and promptly stash medication up and away from young children where it is out of their sight and reach to prevent poisoning.

In case of emergency/overdose

Call the poison control hotline at 1-800-222-1222 in the event of an overdose. Additionally, information can be found online at Call 911 right once if the person has collapsed, experienced a seizure, is having difficulty breathing, or cannot be roused.

What other information should I know?

Keep all of your appointments with your physician and the lab. To monitor how you are responding to griseofulvin, your doctor will request a few lab tests.

No one else should take your medication. Any queries you may have regarding medication refills should be directed to your pharmacist. Call your doctor if you continue to experience infection symptoms after taking the griseofulvin.

You should keep a written record of every medication you take, including any over-the-counter (OTC) items, prescription drugs, and dietary supplements like vitamins and minerals. This list should be brought with you whenever you see a doctor or are admitted to the hospital. You should always have this information with you in case of emergencies.

Brand names

  • Fulvicin P/G®
  • Fulvicin-U/F®
  • Grifulvin V®
  • Gris-PEG®
  • Grisactin®
  • Ultragris®
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