What are the most common symptoms of post nasal drip?

Drainage. People with post nasal drip may have a tickle cough, snorting to clear throat, snoring, waking up with a dry throat. This can be caused or made worse by allergic rhinitis, chronic sinusitis or even acid reflux all the way up to the sinuses.
Throat irritation. Post nasal drip causes cough, a need to frequently clear the throat, and throat irritation.