To prevent symptoms from becoming life threatening, you inject this medication as soon as symptoms develop.Īdditional ways to prevent runner’s itch include: Severe cases may require a prescription for an epinephrine auto-injector (EpiPen). You may need to avoid certain foods or drinks altogether or consume them several hours before you exercise. Use a journal to track any foods or drinks that may contribute to runner’s itch so you can observe how your body reacts. Plus, your body will be used to the increased blood flow when it does occur. A consistent running routine increases your blood volume, which means your body won’t have to increase blood flow as much. Running regularly is the best way to prevent runner’s itch. While you may not be able to prevent runner’s itch completely, you can reduce outbreaks. Other possible causes of runner’s itch include: In most cases, the sores heal within a few days. It usually doesn’t affect skin that’s compressed by socks, though. This condition causes blood spots to occur on the lower legs. It’s especially common during hot weather in the mountains. Exercise-induced purpuraĮxercise-induced purpura occurs in people who run marathons, take long walks, or engage in unusual physical activity. Usually, symptoms resolve on their own within a matter of days. Genetics may make you more prone to exercise-induced vasculitis. The itchy rash is accompanied by intense stinging, pain, and burning. This inflammatory condition involves red patches, purple spots, and swelling on the thighs and lower legs. Sometimes it’s called the Disney rash since it often involves being physically active and exposed to sunlight on a hot day, which is common at Disney amusement parks. Exercise-induced vasculitisĮxercise-induced vasculitis is also known as golfer’s vasculitis or hiker’s rash. Exercise-induced urticariaĮxercise-induced urticaria is an allergic response that occurs when you experience itchiness along with hives or redness of the skin.Įxercise-induced urticaria occurs during or after strenuous exercise, such as running or hiking, especially when you do these activities in hot or cold weather. To combat dry skin, apply moisturizer before you run. Use laundry products made for sensitive skin, and buy workout clothing made of moisture-wicking fabrics to limit sweaty skin. The combination of sweating and dry skin can worsen the irritation. Allergies to certain laundry detergents, fabric softeners, or clothing material can cause itchiness. You may be especially prone to runner’s itch if you have sensitive skin. Histamine causes your blood vessels to expand, which contributes to the itchy sensation. Histamine releaseĪccording to a 2017 research review, exercise may promote the release of histamine to prevent fatigue instead of as an allergic reaction. This causes your capillaries and arteries to expand and stimulates your nerve cells, which can lead to an itchy sensation. Running increases your heart rate and blood flow as your heart delivers more blood and oxygen to the targeted muscles. If you’ve been sedentary or haven’t exercised in a while, returning to your running routine can lead to itchiness. We’ll talk through what could be happening in your body to cause this itchy sensation. There are several causes of runner’s itch.
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