What Causes a Swollen Uvula?

Infections:

- Viral infections, such as the common cold or flu

- Bacterial infections, such as tonsillitis or strep throat

- Fungal infections, such as oral thrush

Allergies:

- Allergic reactions to foods, such as nuts or shellfish

- Allergic reactions to inhalants, such as pollen or dust mites

- Allergic reactions to insect bites or stings

Trauma:

- Injuries to the mouth or throat, such as from a sharp object or a fall

- Burns to the mouth or throat, such as from hot food or drink

Medical Conditions:

- Acid reflux or gastroesophageal reflux disease (GERD)

- Sleep apnea

- Chronic sinusitis

- Angioedema, a condition that causes swelling in various parts of the body

- Dehydration

- Vitamin deficiencies, such as vitamin B12 or iron deficiency

- Certain medications, such as some blood pressure medications or steroids

Other Factors:

- Smoking

- Alcohol consumption

- Caffeine consumption

- Obesity