Hello Doctor! My Question Is Regarding Allergic Rinitis. Doctor, I

hello doctor!

My question is regarding allergic rinitis.
doctor, i have been suffering fron allgergic rinitis. recently i shifted in a new room, since then i have been suffering from cold allergy almost 15 days i have been running nose and sneezing... cn u help me to get relief from this conditions althought i took fexofenadine as an antihistamine but it doesnt seems to work with. hope for ur prompt and effective suggestions.
thankyou