Taking a hot shower. Heat can help to clear out your nasal passages. Use a saline nasal spray. Using a humidifier. Contrary to popular belief, dry air actually worsens nasal congestion. Moist air, on the other hand, can help to clear out your nostrils. Drink plenty of water. Being well-hydrated can help to diminish congestion.

Don’t sniff or inhale too hard or the medicine may drip down the back of your throat. If this happens, try to spit it out. [7] X Research source

Do not take more than the recommended number of doses prescribed by your physician. Just like any other prescription medication, if you find that it is ineffective (or taking longer than you expected or hoped to work) that does not mean to double up on your dose. It could be dangerous to do so, so be sure to stick within the recommended limits of your doctor. The dosing of nasal sprays is variable and will depend upon what medication is contained within it.