Terbinafine hydrochloride

Terbinafine hydrochloride is an antifungal medication used primarily to treat fungal infections in nails and skin. It is a member of the allylamine class of antifungals and is marketed under various brand names worldwide.

Pharmacology

Terbinafine hydrochloride works by inhibiting the enzyme squalene epoxidase, which is part of the fungal cell membrane synthesis process. By blocking this enzyme, terbinafine prevents the fungus from synthesizing ergosterol, a vital component of the fungal cell membrane. This disruption leads to the death of the fungus and the clearing of the infection.

Uses

Terbinafine hydrochloride is used to treat a variety of fungal infections, including tinea pedis (athlete's foot), tinea corporis (ringworm), tinea cruris (jock itch), and onychomycosis (fungal infection of the nails). It is also used to treat Pityriasis versicolor, a fungal infection that causes lightening or darkening of the skin.

Side Effects

Common side effects of terbinafine hydrochloride include headache, diarrhea, nausea, upset stomach, and changes in taste. Less common but more serious side effects can include liver damage, allergic reactions, and severe skin reactions.

Precautions

Patients with liver or kidney disease, or those who are allergic to terbinafine or any other allylamine antifungals, should not take terbinafine hydrochloride. It is also not recommended for use during pregnancy or breastfeeding without a doctor's advice.

Interactions

Terbinafine hydrochloride can interact with certain other medications, including some antidepressants, beta-blockers, and warfarin. It is important to inform your doctor of all medications you are currently taking before starting treatment with terbinafine hydrochloride.

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