What causes a sore throat from a cold that hurts when you swallow?

Cold sore throat pain as soon as you swallow may be caused by edema of the throat, pharyngitis, tonsillitis and other diseases.
1. Throat edema is the most common cause. Colds are caused by viral infections, viruses can affect the mucous membrane in the throat area, the inflammatory reaction leads to mucosal edema, then appear when drinking water, sore throat performance.
2. Acute pharyngitis, is a common disease that can lead to sore throat, viral infection leads to inflammation in the throat, inflammation affects the mucous membrane in the throat, causing damage, then pain.
3. Tonsillitis, a common disease that can be complicated by colds and flu, can also be affected by viral infection and inflammation, accompanied by pain symptoms, can appear similar performance.
The specific cause of the disease needs to be clarified after medical examination, and treatment should be carried out according to the doctor’s instructions.