Major Causes Of Post-Nasal Drip
Deviated Septum

The septum is a thin wall that separates the nasal passages (nostrils). In the case of a deviated septum, the wall deviates to the side, making one nostril smaller than the other. A deviated septum is very common, and many individuals do not know they have the condition until a doctor examines their nose for another reason. Although the condition often produces no symptoms, it can cause difficulty breathing through the nose, and patients may experience a dry mouth and pain in the nose or face. Some patients may also have nosebleeds or crusting of the nasal passages. When the septum is displaced, it can lead to frequent sinus infections, and these may result in post-nasal drip. Patients who find it difficult to breathe through the nose should consult an ear, nose, and throat specialist. They may wish to examine the patient's nose with a lighted scope or a small camera. If a deviation is discovered, medications are generally the first line of treatment. Decongestants can reduce swelling in the nasal tissues, relieving obstructions in the airways. Antihistamines and nasal steroid sprays may also be prescribed. In severe cases, an operation called a septoplasty can be performed to straighten the septum and realign it properly.
Read more about what can cause post-nasal drip now.