Generic Grifulvin

Common use

Grifulvin belongs to the antifungal drugs. It is used to treat fungal infections of the skin, hair, and nails. It may need to use another medicine on your skin while you are taking this medicine.



Dosage and direction

Follow the instructions of your doctor. Take this medicine by mouth with a glass of water with or without food. Take your medicine at the same time every day during the therapy. Do not take your medicine more often than directed. Do not skip doses or stop your medicine early even if you feel better. Do not stop taking except on your doctor's advice.



Precautions

Your doctor needs to know if you have liver disease, porphyria, systemic lupus erythematosus, an unusual or allergic reaction to griseofulvin, penicillin, other foods, dyes or preservatives, if you are pregnant or trying to get pregnant, you are breast-feeding. During the taking Grifulvin you have to visit your doctor or health care professional for regular tests. Tell your doctor or health care professional if your infection and condition do not improve or if they get worse. Some fungal infections need many weeks or months of treatment to cure finally. Grifulvin can make you more sensitive to the sun so you have to keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen.



Contraindications

Patients who have liver disease, systemic lupus erythematosus, an unusual or allergic reaction to griseofulvin, penicillin, etc. are contraindicated to Grifulvin.



Possible side effects

There are list of side effects that you should immediately inform your doctor or health care professional about. It includes allergic reactions like skin rash or hives, swelling of the face, lips, or tongue, breathing problems, confusion, dark urine, fever or infection, loss of appetite, pain, tingling, numbness in the hands or feet, skin rash, redness, blistering, or peeling of skin, sores or whites patches in the mouth, unusually weak or tired, yellowing of the eyes or skin. Also there are other list of side effects that usually do not require medical attention but you should tell your doctor or health care professional if they continue or are bothersome. It includes dizziness, headache, nausea, vomiting, stomach pain, trouble sleeping.



Drug interactions

There are some medicine that may interact with Grifulvin such as barbiturate medicines for sleep or seizures, female hormones, like estrogens or progestins and birth control pills and warfarin.



Missed dose

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.



Overdose

If you think you have taken too much of this medicine first of all you have to call to a poison control center or emergency room.



Storage

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep container tightly closed out of the reach of children.



Disclaimer

We provide only general information about medications which does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.

Clinical Verification

Last Clinically Updated: August 15, 2026

Written By

Dr. Elena Vance, PharmD

Clinical Specialist in Neuropharmacology

Fact Checked By

Marcus Thorne, MS

Biomedical Data & FDA Label Verification

Medically Reviewed By

Dr. Arthur Campbell, MD

Board-Certified Psychiatrist (ABPN)