Nitrates widen blood vessels, and Viagra increases that effect. Mixing the two can cause your blood pressure to drop drastically. A sudden drop in blood pressure can make you pass out, and you may die if your blood pressure stays too low for too long.
3 doctors agreed: 1  Allergic dhiners: She has what's known as allergic shiners. It it caused by blood shimmering through her fine skin. 2  Cold compress: Purple or blue marks under eyes may be due to blood vessels under eyes. Cold ice packs might help marks decrease by contracting the vessels. What causes : rapid appearance of brown spots on nose, under eyes, forehead. Feet cold and turn purple, sore breasts, acid reflux, popping joints? Dr. Jan Lei Iwata Dr. Iwata
1 Blepharitis: Inflammation or infection of the eyelid that causes irritation or pain. 2  Conjunctivitis (commonly called pink eye): Inflammation of the conjunctiva caused by allergies or infections (viral or bacterial); blood vessels in the conjunctiva become engorged, and the normally white part of the eye looks red. Symptoms include loss of vision and sometimes deep discomfort when looking from side to side. 2  Sinusitis: Infection in one of the sinus cavities, which can create pressure behind the eyes, causing eye pain on one or both sides.