Do you constantly clear your throat?
Do you cough from the throat?
Do you feeling something is constantly dribbling down your throat?
If yes, it could be Allergic pharyngitis which usually is a consequence of Allergic Rhinitis and sinusitis.
The patient will usually cough more on talking, laughing, lying down. It is usually worse at nights.
Correct treatment can relieve you from these troublesome symptoms.
This type of cough is usually resistant to antibiotics and most other medications.
Consult your doctor for more information and treatment.