PURPOSE: An antiviral agent useful for labial herpes, herpes corneae, etc., having stronger antiviral action than I.D.U, containing a 1-hydroxy-2-pyridone compound well-known as a dandruff inhibitor or its salt as an active ingredient.
CONSTITUTION: A remedy containing a compound shown by the formula (R1 is H, 1W23C alkyl, 2W23C alkenyl, etc.; R2 and R4 are H, 1W9C alkyl, etc.; R3 is H, 1W23C alkyl, etc.) or its salt as an active ingredient. Especially compounds containing nonyl, undecyl, tridecyl, etc. as R1 have antiviral effect 2.5W10 times that of I.D.U (Idoxuridine) widely used as an antiviral agent. The compounds have activity against herpes virus, adenovirus, papilloma virus, etc. and are useful for stomatitis, gingivitis, labial herpes, herpes corneae, etc.
ARIMA MASATOSHI
SADAI MASANAO
OOBA KENKICHI
