A tickle in the throat and a cough may be caused by allergic laryngitis, chronic pharyngitis, allergic rhinitis and so on. 1. Allergic pharyngolaryngitis: allergic pharyngolaryngitis can lead to a tickle in the throat and a cough, usually a persistent dry cough, throat pain, tingling, swelling and other undesirable symptoms, may lead to severe swallowing difficulties. 2. Chronic pharyngitis: chronic pharyngitis may also cause a tickle in the throat on a cough, the pharynx will have an obvious foreign body sensation, accompanied by varying degrees of pain, pharyngeal secretions will increase, some patients will have a burning sensation, nausea, dry vomiting and other adverse symptoms. 3. Allergic rhinitis: allergic rhinitis will also appear this kind of discomfort, increased nasal secretions will cause the throat itchy, irritating cough and other undesirable symptoms, the patient will appear nasal congestion, itchy nose, runny nose and other discomforts, severe may cause dizziness and headache. This kind of situation, there may be reflux pharyngitis and other causes, the need for timely medical treatment, relevant examination to confirm the cause of the diagnosis, and actively cooperate with the doctor’s treatment, to avoid aggravation of the condition.