Dear sir , My son is suffering in cough since last two months we give him myteka(which contains Montelukast sodium) Acefyl (Acefylline Piperazine) ventoline ,CLENIL compsitive we mix 1.5 ml normall sealine in ventoline and clenil and tixylix (proniethazine hcl-pholcodine)for 10 days it cover some cough but cough is still now we are using just clenil with normall sealine(which contain 0.9 sodium chloride infusion B.P)and tixlyx syrp and acefyl syrp but cough is still on he cough some times he is just 6 month old please give me reply