How to control running nose without medication ?

Runny nose: You can try a Neti Pot using distilled water and drink some coffee!

Consider: Allergen avoidance if this is the cause. Change filters in the home. Reduction or elimination of pet dander. I agree with netty pot or saline wash to clear allergens already inhaled. Some people go to extremes of moving from their homes or changing climates. Some people have vasorhinitis as result of cold weather, others even have reactions to foods. Before making a change find the cause.

Nasal irrigations: You might benefit from saline irrigations, either a spray or flushing. There is a wonderful product called ponaris oil you could try. It is made of medicinal plant oils designed by nasa scientists for nasal complaints. Then there is always tissues.....

If your runny nose: Is due to an allergy then identifying the allergen and completely avoiding it will solve your problem.