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; ...
What are the side effects of niacin? Niacin can cause flushing (redness) of the face and neck within the first two hours of taking a dose. Stomach upset, heartburn, nausea, vomiting, and diarrhea may also occur. At high doses, niacin can increase blood sugar, increase the risk for gout, and cause liver problems.