There are two main causes of itchy throat and uncontrollable cough: First, acute pharyngitis caused by cold, because the virus invades the mucous membrane of the pharyngeal cavity resulting in congestion and edema. Itching and coughing can occur, which is mainly treated with anti-inflammatory and anti-viral drugs, such as oral Rokusan Pill or Wu Mei Musk Pill and Blue Scutellaria Oral Liquid, and nebulized inhalation treatment with budesonide. Second, there is also a part of allergic pharyngitis, because it is the pharyngeal mucous membrane stress reaction after contact with allergens, you can consider oral anti-allergy drugs, such as antihistamine anti-allergy drug Stastine hydrochloride or Olopatadine, with anti-leukotriene anti-allergy drug Montelukast sodium tablets.