What do we prefer Kal antivirus or nail laquers for for onychomycosis
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onychomycosis treatment oral terbinafine topical nail lacquer guideline
If you mean oral antifungal tablets versus antifungal nail lacquer:
- Prefer oral terbinafine for most confirmed, moderate-to-severe toenail onychomycosis, especially if the nail matrix/proximal nail is involved, multiple nails are affected, or there is marked thickening. It has higher cure rates and a shorter treatment course than topical lacquer. Oral terbinafine is the textbook drug of choice for onychomycosis. Lippincott Illustrated Reviews: Pharmacology, Chapter Summary.
- Prefer nail lacquer/topical treatment such as ciclopirox, amorolfine where available, efinaconazole, or tavaborole for mild, limited disease: superficial infection, early distal disease, one or few nails, and no matrix involvement. It is safer when oral drugs are unsuitable, but requires long, regular application and is less effective. The AAFP evidence review makes the same distinction.
Before tablets, confirm fungus with nail microscopy/KOH, culture, or PCR if available. Do not treat a traumatic or psoriatic nail as fungal disease. Oral terbinafine needs review for liver disease, renal impairment, and drug interactions, often with baseline liver tests. Nail trimming/debridement improves response with either approach.
So, in one line: oral terbinafine for extensive or matrix-involved disease; nail lacquer for mild, localized disease or when tablets are contraindicated.
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