Hatric 3 Drops is used for Allergy Hay fever Common cold Watery eyes Itchy throat skin Anaphylactic shock Rhinitis Urticaria Headache Toothache and other conditions Hatric 3 Drops may also be used for purposes not listed in this medication guide Hatric 3 Drops contains Chlorpheniramine Maleate Paracetamol and Phenylephrine as Active ingredients Hatric 3 Drops works by blocking H1 receptor sites on tissues increasing the pain threshold and increases the blood flow across the skin heat loss and sweating constricting the blood vessels results in decreasing the flow of blood thus relieves nasal congestion