Hello sir, my age is 31 due to allergies I cannot smell from last 3 months please sir say me what is problem I surgically in throat bcoz polyps was remove but before surgery I cannot smell but my nose is blocked with mucus I use otrivin nasal drop and Flutoconzol spray but nothing benefit how can I resume smell please sir say me answer and medicine .I also smoke cigarettes only cigarettes not any thing else.