You can take vitamin C for tonsil ulcers, but vitamin C does not cure tonsil ulcers. Tonsil ulcers are a disease caused by low autoimmunity, and vitamin C can improve autoimmunity and promote the healing of ulcers, so you can take it. Ulcers are autoimmune diseases that can heal themselves in about two weeks. If they don’t heal in more than two weeks, they must be examined by a doctor. When the ulcer attack, the body resistance is low, may cause inflammation of the tonsils, combined with inflammation and infection, in addition to eating vitamin C, but also need to take oral medication to promote healing. Diet should also pay attention to, do not eat spicy and stimulating food, do not drink alcohol. Therefore, tonsil ulcers can take vitamin C to promote healing, more than two weeks do not heal is recommended to seek medical attention. The use of medication is guided by a doctor.