Swollen face can be caused by allergies to food, pollen, dust, or other environmental irritants.
Swelling around the eyes, nose, and cheeks can be a sign of sinusitis or inflammation of the sinus cavities.
Infections, abscesses, or other dental problems can cause facial swelling, particularly in the area around the affected tooth.
Trauma or injury to the face can cause swelling, bruising, and pain.
Some medications, such as steroids, can cause facial swelling as a side effect.
Water retention can cause facial swelling, especially in the morning or after prolonged periods of standing or sitting.
Hypothyroidism or an underactive thyroid gland can cause facial swelling, along with other symptoms like fatigue, weight gain, and cold intolerance.
Kidney disease or other kidney problems can cause fluid retention, leading to facial swelling.
Infections, such as cellulitis or a tooth abscess, can cause facial swelling along with other symptoms like fever and pain.