In our modern, fast-paced world, it can be hard to eat right and get the proper amount of sleep, which is one reason why energy drinks have become so popular. Most, if not all, of the drinks contain some form of caffeine, which, while stimulating, can cause an allergic reaction, such as a red blotches on the face. In some cases, another ingredient in the drink is the culprit. Mild reactions don't usually require treatment, but consult a doctor immediately if you have shortness of breath, feel faint, or your tongue or face starts to swell.
Food Allergies
Allergic reactions occur because your body sees a normally harmless substance in a food or drink as dangerous to your body. Your body responds by sending out chemicals, primarily histamine, to fight the intruder, which then produces an allergic reaction. One of the most common reactions is hives, which is characterized by the appearance of red welts -- called wheals -- on your skin, often on your face. The welts may also itch. A true hive comes and goes, and turns white when you press it, according to the website PubMed Health.
Causes
Allergic reactions can be caused by a variety of substances, particularly animal dander, medications, insect bites, pollen and several foods. One possible cause is caffeine, which can appear under several names when contained in energy drinks. Common names include guarana, green tea extract, coffee extract and, of course, caffeine. It's also possible that the caffeine, or another ingredient in the energy drink, are mixing with a medication that you're taking, producing the allergic reaction.
Treatment
In most cases, hives go away after 24 hours but may spread during that time to other areas of the skin. Mild hives can be treated by avoiding any irritants, such as hot water and tight-fitting clothing, and applying cold compresses to your face. Taking an anthistamine, such as diphenhydramine, can also help, although it may make you feel fatigued. If the red blotches remain for longer than several days, consult a doctor. If you have difficultly breathing or feel faint, seek immediate medical attention.
Prevention
The best way to prevent hives, or any type of allergic reaction, is to avoid the irritant that caused it. In many cases, however, it can be hard to identify the offending substance. A doctor can run allergy tests that might be able to identify the problem, although the tests aren't always conclusive, particularly if the hives have been around for longer than six weeks. A doctor can also prescribe topical or oral medications to help ease the symptoms. If your symptoms are severe, a doctor can prescribe an injection pin that contains epinephrine, which you can self-inject to stop a life-threatening allergic reaction.
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