Best remedy to stop a runny nose?

Depends: It really depends on the cause of your runny nose. If you have a cold, it is best to just be patient. If the symptoms are due to allergy, available treatments include oral antihistamines, prescription nasal sprays, and allergy shots.

Neti pots can : Reduce nasal congestion. Mix ¼ tsp salt w 1 cup lukewarm water. More salt can also be used. Place solution in neti pot. Tilt head ; pour solution into 1 nostril. Blow nose lightly ; spit out any liquid that drains into throat. Repeat on other side. This can be done in the evening before you go to bed ; again in the morning. You can watch a video online to get the finer details down.