{"active_ingredient":["Active Ingredient Undecylenic Acid 25%"],"ask_doctor":["Ask Doctor if there is no improvement within 4 weeks or if irritation occurs."],"do_not_use":["Do not use If pregnant or breastfeeding, consult a healthcare professional before use. Do not use on children under 2 years of age unless directed by a doctor."],"dosage_and_administration":["Directions Prep: Wash the affected area with soap and water. Soak the nail to soften it. For toenail fungus: Gently file thickened areas of the nail every 2-3 days (avoid damaging nail bed). Apply a thin layer over the entire nail surface, under the nail edge, and around the cuticle. Use twice daily: morning and evening for at least 6 weeks. For best results, continue use for 3-6 months or as directed by a doctor. For athlete’s foot: Apply to affected areas and between toes. Allow product to dry fully before putting on socks or shoes."],"effective_time":"20260517","id":"520d9323-4bd5-5b79-e063-6294a90a49ce","inactive_ingredient":["Inactive ingredients Almond Oil, Tea Tree Oil, Mineral Oil, Peppermint Oil, Tocopherol (Vitamin E)."],"indications_and_usage":["Use Helps prevent fungal infections, including tinea pedis (toenail onychomycosis). Relieves itching, burning, and cracking. Cures athlete’s foot."],"keep_out_of_reach_of_children":["Keep Out Of Reach Of Children If accidental ingestion occurs, get medical help or contact a Poison Control Center right away."],"openfda":{"application_number":["M005"],"brand_name":["Beukow Antifungal Pen"],"generic_name":["UNDECYLENIC ACID 25% ANTIFUNGAL PEN"],"is_original_packager":[true],"manufacturer_name":["Jiangxi Yudexi Pharmaceutical Co., LTD"],"package_ndc":["85248-200-01"],"product_ndc":["85248-200"],"product_type":["HUMAN OTC DRUG"],"route":["TOPICAL"],"rxcui":["998329"],"spl_id":["520d9323-4bd5-5b79-e063-6294a90a49ce"],"spl_set_id":["511d1edf-dfda-477c-e063-6294a90aa423"],"substance_name":["UNDECYLENIC ACID"],"unii":["K3D86KJ24N"]},"package_label_principal_display_panel":["PRINCIPAL DISPLAY PANEL 25"],"purpose":["Purpose Antifungal"],"set_id":"511d1edf-dfda-477c-e063-6294a90aa423","spl_product_data_elements":["Beukow Antifungal Pen Undecylenic Acid 25% Antifungal Pen MINERAL OIL PEPPERMINT OIL TOCOPHEROL UNDECYLENIC ACID UNDECYLENIC ACID ALMOND OIL TEA TREE OIL"],"stop_use":["Stop Use if there is no improvement within 4 weeks or if irritation occurs."],"storage_and_handling":["Other information Store at room temperature 15°C-30°C (59°F-86°F). Close cap tightly after each use. Keep away from direct sunlight and excessive moisture."],"version":"2","warnings":["Warnings For external use only."],"when_using":["When Using avoid contact with eyes. Use only as directed by a doctor on persons with highly sensitive skin."]}