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Griseofulvin is an oral antifungal medicine used for infections caused by dermatophytes. It can treat certain fungal infections of the skin, scalp, and nails. A clinician may prescribe it when a topical treatment is unsuitable or has not worked.
read more about griseofulvin ...Griseofulvin interferes with fungal cell division. It also becomes incorporated into newly formed skin, hair, and nails. Treatment continues while infected tissue is replaced by healthy growth.
Griseofulvin comes as tablets, capsules, and an oral liquid. Take the prescribed formulation and dose for the full treatment period. Nail infections can require a longer course than skin or scalp infections.
Headache, stomach upset, diarrhea, and dizziness can occur. Griseofulvin may increase sensitivity to sunlight. Contact your clinician promptly for a rash, fever, or symptoms that could signal a liver problem.
Griseofulvin should not be used during pregnancy and may reduce the reliability of hormonal contraception. Tell your clinician about liver disease, porphyria, and every medicine you take. The infection should be identified as one caused by a fungus that griseofulvin treats.
No. It is used for certain dermatophyte infections and does not treat every type of fungus.
The course depends on the infected area and the formulation prescribed. Nail infections can take months of treatment.
Do not stop it without speaking to your prescriber. Symptoms can improve before the prescribed course is complete.
It may reduce the reliability of hormonal contraception. Discuss another method of pregnancy prevention with your clinician.
Griseofulvin. MedlinePlus. https://www.medlineplus.gov/druginfo/meds/a682295.html. Date Accessed October 6, 2026.
Griseofulvin. StatPearls (NCBI Bookshelf). https://www.ncbi.nlm.nih.gov/books/NBK537323/. Date Accessed October 6, 2026.
Griseofulvin (oral route) - Side effects & dosage. Mayo Clinic. https://www.mayoclinic.org/drugs-supplements/griseofulvin-oral-route/description/drg-20064116. Date Accessed October 6, 2026.
Griseofulvin Capsules or Tablets: Uses & Side Effects. Cleveland Clinic. https://my.clevelandclinic.org/health/drugs/20461-griseofulvin-tablets-or-capsules. Date Accessed October 6, 2026.
Ringworm (scalp) - Diagnosis & treatment. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/ringworm-scalp/diagnosis-treatment/drc-20354924. Date Accessed October 6, 2026.