Nizoral (Ketoconazole)

Ketoconazole, the active ingredient in Nizoral, is an antifungal presented as a topical formulation for cutaneous use. It is employed to treat fungal skin infections, dandruff and seborrheic dermatitis, as well as related dermatologic conditions in adults and children as directed by a healthcare professional.

GNH USA supplies Nizoral as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies, transplant centres and clinics worldwide, ensuring quality and regulatory compliance across global markets, with robust cold‑chain logistics where required and adherence to local import regulations.

Ketoconazole is a broad‑spectrum antifungal used to treat dermatologic fungal infections.

- Tinea corporis: reduces fungal growth and clears body ringworm lesions. - Tinea cruris: alleviates itching and resolves fungal infection of the groin area. - Tinea pedis: treats athlete's foot by eliminating the causative dermatophytes. - Seborrheic dermatitis: controls flaking and redness on scalp and face. - Dandruff: diminishes scalp scaling and itching caused by Malassezia species.

Topical ketoconazole may cause local reactions, most of which are mild and reversible.

Common Side Effects: - Skin irritation: mild burning or stinging at the application site. - Itching: localized pruritus. - Dryness: reduced skin moisture. - Redness: erythema of treated area. - Scaling: flaking of skin. - Contact dermatitis: mild allergic skin response.

Serious or Rare Side Effects: - Severe allergic reaction: swelling, hives, or difficulty breathing. - Stevens‑Johnson syndrome: rare severe skin blistering. - Toxic epidermal necrolysis: extensive skin detachment. - Contact urticaria: immediate hives upon contact. - Systemic absorption leading to hepatic toxicity (very rare with topical use).

When using topical ketoconazole, consider the following safety measures.

- Avoid use on broken skin: may increase irritation and systemic absorption. - Do not apply near eyes: can cause ocular irritation. - Limit sunlight exposure: potential for photosensitivity. - Consult before combining with other topical agents: risk of additive irritation. - Pregnancy and breastfeeding: safety not established; use only if benefits outweigh risks. - Store at room temperature: keep in original container, protect from moisture and direct sunlight.

Ketoconazole can interact with other topical or systemic agents; monitor accordingly.

Major Interactions (Avoid): - Concurrent use with other azole antifungals: may increase local irritation. - Simultaneous systemic ketoconazole therapy: risk of elevated systemic exposure. - Co‑application with potent corticosteroids: may mask infection signs.

Moderate Interactions (Monitor Closely): - Use with moisturizers or emollients: may affect drug absorption. - Application before sunscreen: may reduce sunscreen efficacy. - Combination with other dermatologic agents: monitor for cumulative skin reactions.