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Educational Medication GuidePrescription 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

Uses & Medical Indications

Tinea infections

Medical Conditions Treated:

Ringworm, fungal infections of hair, skin, and nails

Work Mechanism & Pharmacology

How It Works

Patient Overview of Work Mechanism

Griseofulvin works at the cellular level to correct underlying biochemical imbalances, reduce clinical symptoms, and support overall health.

Clinical Mechanism of Action (MoA)

Griseofulvin exerts targeted therapeutic activity by interacting with specific cellular receptors, enzymatic pathways, or biological signaling cascades to relieve symptoms and restore physiological balance.

Primary TargetGriseofulvin microsize
Therapeutic FamilyAntifungal (Systemic)
Administration RouteOral

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

Emergency Medical Warning

When to Seek Urgent Medical Attention

Seek immediate emergency medical care (call emergency services or proceed to the nearest emergency department) if you experience signs of a life-threatening allergic reaction (anaphylaxis: facial, lip, tongue, or throat swelling causing airway obstruction), severe cutaneous blistering with skin peeling, sudden intense chest pain, or symptoms of overdose.

Emergency Safety Protocol: If an intentional or accidental overdose is suspected, contact your regional Poison Control Center or emergency services immediately. Do not induce vomiting unless strictly advised by emergency healthcare personnel.
Educational Sources & References

Content for Griseofulvin was synthesized from standardized public health monographs, official pharmacopoeias, and health authorities:

  • Central Drugs Standard Control Organization (CDSCO) — National List of Essential Medicines
  • World Health Organization (WHO) — Model List of Essential Medicines
  • Indian Pharmacopoeia Commission (IPC) — Indian Pharmacopoeia Drug Monographs
  • National Health Service (NHS) — Medicines A to Z Clinical Guidelines
Published by: Medi Info Hub TeamLast Updated: 10/19/2026

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.