Prior to the onset of hypothermia the body maintains a relatively stable temperature whereby heat production is balanced by heat loss. When the outside environment gets too cold or the body's heat production decreases, hypothermia occurs (hypo=less + thermia=temperature).
The main symptom of poison oak, ivy, or sumac is an intensely itchy, red rash. ... However, you should contact a doctor right away if you are highly sensitive or have the following symptoms: Swelling of the face or throat; Rash on the genitals; ...
There can be a swelling and pain in the salivary glands that can puff up the cheeks. Fatigue, fever and loss of appetite also occur along with the swellings. Apart from these medical conditions, facial burn or trauma, swelling in the eyes, salivary gland problems, dental problems, head injuries, and even a broken nose can cause facial swelling. Certain cancers too may cause swollen face.