A severe, life-threatening allergic reaction causing rapid onset of facial angioedema, urticaria, and respiratory distress.
Acute, well-demarcated, non-pitting swelling of the deep dermis, especially the lips and periorbital tissues, without urticaria.
A bacterial infection of the skin presenting as a warm, tender, ill-defined area of erythema and swelling.
A localized collection of pus from a tooth infection that can cause significant, tender, unilateral swelling of the jaw and cheek.
A superficial bacterial cellulitis with a characteristic fiery-red, indurated, sharply demarcated, and raised plaque.
Inflammation of the parotid salivary gland (e.g., from mumps or a bacterial infection) causing swelling of the face in front of the ear.
A sign of acute Chagas disease, consisting of unilateral, painless swelling of the eyelids where the parasite entered the body.
A small, painful abscess (hordeolum) on the eyelid margin, causing localized redness and swelling.
