Picture 1 â Sun Poisoning Rash. Source â prime health channel. When excessive exposure of the skin to the harmful UV rays of the sun causes an allergic reaction in the form of development of itchy skin rash and the reddening of the skin, one may be said to suffer from Sun Poisoning Rash.
Note that excess niacin intake can cause symptoms similar to an allergic reaction, including skin flushing, stomach redness and warmth, particularly of the face. Your physician may recommend allergy testing to determine if you have an allergy or symptoms of excess intake.
People with repeated episodes of allergic conjunctivitis often have other similar allergic conditions like allergic rhinitis (hay fever). Symptoms. 1  Watery to stringy eye mucus. 2  Severe itching of the eyes. 3  Gritty feeling in the eyes (similar to sand in the eyes). 4  Redness, swelling and heat. 5  Other allergic symptoms usually of the nose (sneezing, nasal congestion and runny nose).