Question: what are the causes of throat problems?
Answer: Colds, the flu, and other viral infections.
Strep throat and other bacterial infections. Bacterial infections can also cause sore throats. ... 
Allergies. ... 
Dry air. ... 
Smoke, chemicals, and other irritants. ... 
Injury. ... 
Gastroesophageal reflux disease (GERD) ... 
Tumor.