Trusted, medically reviewed health information • Not a substitute for medical advice
Medically Verified MonographPrescription OnlyClass: Antifungal

Griseofulvin

Generic Name: Griseofulvin

Common Brand Names: Gris-PEG
Dosage Form:Tablet, Suspension
Route:Oral
Pregnancy Category:X
Last Reviewed:9/21/2026

Seek Urgent Medical Attention If:

You experience severe allergic reaction symptoms (swelling of the face, lips, tongue, or throat causing difficulty breathing), severe rash with skin peeling, sudden intense chest pain, or symptoms of overdose. Call emergency medical services immediately.

Uses & Medical Indications

Tinea infections

Medical Conditions Treated:

Ringworm, fungal infections of hair, skin, and nails

Dosage & Administration Guidelines

Adult Dosage

500-1000 mg/day microsize

Pediatric Dosage

10-20 mg/kg/day microsize

Elderly / Geriatric Considerations

Same as adult

Maximum Dose Limit

1000 mg/day

Renal Impairment:

N/A

Hepatic Impairment:

Contraindicated in severe liver disease

Side Effects & Safety Warnings

Common Side Effects

Headache, nausea, rash

Serious Adverse Reactions

Hepatotoxicity, SJS

Contraindications:

Porphyria, hepatocellular failure

Important Warnings & Precautions:

Photosensitivity, lupus exacerbation

Interactions (Drugs, Food & Alcohol)

Drug-Drug Interactions:

Oral contraceptives, warfarin

Food & Dietary Interactions:

Take with a high-fat meal

Alcohol Interaction Warning:

Disulfiram-like reaction possible

Pregnancy & Breastfeeding Safety

Pregnancy Safety

Contraindicated

Breastfeeding / Lactation

Safety not established

Patient Counseling & Practical Advice

How to Take:

Take with high-fat food to increase absorption

What to Do if You Miss a Dose:

Take as soon as remembered

Recommended Monitoring & Lab Tests:

Liver and renal function if long term

Trustworthy Sources & Medical Review

Content for Griseofulvin was synthesized and fact-checked against standardized regulatory monographs, official pharmacopoeias, and national health authorities:

  • Central Drugs Standard Control Organization (CDSCO) — National List of Essential Medicines
  • World Health Organization (WHO) — Model List of Essential Medicines 23rd List
  • Indian Pharmacopoeia Commission (IPC) — Indian Pharmacopoeia Drug Monographs
  • National Health Service (NHS) — Medicines A to Z Clinical Guidelines
Reviewer Credentials: PharmD, Clinical PharmacologistLast Reviewed Date: 9/21/2026

The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.