red nose is a symptom of what
Red nose is a common symptom of emotions, infection, temperature changes, or even physical irritation. Red nose results from a rapid reddening of the face in response to strong emotions, such as embarrassment, anger, or high excitement.edications can cause red nose, including some diabetic and cholesterol-lowering drugs. Sildenafil (Viagra) can cause facial flushing with a red nose. The vitamin supplement niacin is another cause of red nose.