Active Ingredient

Griseofulvin

Griseofulvin is an antifungal medication used to treat various fungal infections. It is particularly effective against infections affecting the skin, hair, and nails.

This medication helps to clear up infections that are resistant to topical treatments by targeting the fungus from within the body.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Griseofulvin Brands

Grifulvin V

Strengths 125 mg, 250mg

Fulvicin

Strengths 250 mg

Griseofulvin Uses

Griseofulvin is commonly used for treating fungal infections. It is especially useful in cases where topical treatments are insufficient.

Ringworm of the body (tinea corporis)
Ringworm of the scalp (tinea capitis)
Jock itch (tinea cruris)
Athlete’s foot (tinea pedis)
Fungal infections of the nails (onychomycosis)

How Griseofulvin Works

Griseofulvin works by inhibiting the growth of fungi. It targets the fungal cells and disrupts their ability to divide and reproduce.

This action helps to stop the spread of the infection and allows the body to heal.

By preventing the fungus from multiplying, Griseofulvin helps clear up infections over time.

Common side effects of Griseofulvin

Not everyone experiences side effects from Griseofulvin, and many side effects are mild and temporary.

Headache
Nausea
Dizziness
Stomach upset
Diarrhea
Fatigue
Skin rash

If you experience serious or persistent symptoms, contact your doctor.

Avoid alcohol while taking Griseofulvin, as it may increase the risk of side effects.
Inform your doctor about any other medications you are taking to avoid potential interactions.
Do not drive or operate heavy machinery if you feel dizzy or drowsy.
Complete the full course of treatment, even if symptoms improve, to ensure the infection is fully cleared.
Inform your doctor if you have liver problems or are pregnant before starting treatment.

Always consult your healthcare provider if you have any concerns or questions regarding your treatment.

Frequently Asked Questions

How long does it take for Griseofulvin to work?

The time it takes for Griseofulvin to work can vary depending on the type and severity of the infection. It may take several weeks to see improvement.

Can I take Griseofulvin with other medications?

It’s important to inform your doctor about all medications you are taking as Griseofulvin can interact with certain drugs. Your doctor will guide you on safe use.

What should I do if I miss a dose of Griseofulvin?

If you miss a dose, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose. Do not double up to make up for the missed dose.

Are there any dietary restrictions while taking Griseofulvin?

It’s advisable to avoid alcohol while taking Griseofulvin. Your doctor may also recommend taking it with a fatty meal to enhance absorption.

Is Griseofulvin safe during pregnancy?

Griseofulvin may not be safe during pregnancy. It is important to discuss with your doctor if you are pregnant or planning to become pregnant.