Antibiotics, steroids or antihistamines can treat a swollen uvula, depending on the cause, according to Drugs.com. If the swelling persists, the patient should consult with a medical caregiver again. If there are also severe breathing or swallowing problems, the patient requires immediate assistance.
A swollen uvula is known as uvulitis, according to Drugs.com. If an infection is the cause of the uvulitis, a doctor prescribes antibiotics, which combat the germs causing the infection. If the cause of the uvulitis is an allergic reaction, steroid medicine or antihistamines treat the reaction. Steroids help to decrease redness, pain and swelling. Antihistamines help to decrease itching.