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
Aboutry often dark circles under the eyes appear due to nervous tension and stress. At such moments, the skin slows down the process of removing toxins, and saturated with the necessary amount of moisture and oxygen. Esche some of the causes can be heredity, and age. For example, if any of your blood relatives the skin around the eyes is very thin, it can be inherited. As you know, through the thin translucent skin very well wreaths and all the vessels, which leads to the effect of dark circles under the eyes.