Question: what are the causes of constant sore throat?
Answer: Allergies. Allergies to pet dander, molds, dust and pollen can cause a sore throat. ...  Dryness. Dry indoor air can make your throat feel rough and scratchy. ...  Irritants. ...  Muscle strain. ...  Gastroesophageal reflux disease (GERD). ...  HIV infection. ...  Tumors.