Hi Poonam,
The best relief for a runny nose is to help the body by gently blowing the nose at regular intervals. However, excessive blowing can irritate the outside of the nose and make it tender and sore. For an excessively runny nose caused by seasonal or environmental allergies, try an over the counter antihistamine. For runny noses caused by cold or flu, an antihistamine may help alleviate the symptom, but because they slow the production of mucus they can cause germs to linger in the nasal cavity longer. Most important is to understand that nasal congestion is different from running nose so dont use nasal congestion drops till it is not recommended by doctor.