If its viral infection then we usually prescribe medicines for supporting ..you need to take lot of fluids, water,adequate food and rest.. That's what important now...if you have fever you can take crocin but otherwise not required...do salt water gargles you'll be relieved of irritation...consult a physician..
Avoid common irritants such as cigarette smoke and sudden temperature changes.
Drink plenty of water.
Use a humidifier.
Try nasal saline sprays or rinses.
If the runny nose is a persistent, watery discharge, Home-care measures to relieve cough include reducing irritating stimuli (eg, cold, dry air; indoor or outdoor air pollutants) that may provoke coughing. An upright or semiupright posture, such as sleeping with the head and shoulders raised, may decrease cough related to pharyngeal secretions...do warm saline gargling twice a day with OTC medication...if you want prescription please consult physician as online prescriptions prohibited as per law...