posted
A few times a week I try to go real slow on a reclining exercise bike . I develop a red hot,rash on the my top of my thighs. Believe me, I do not get hot going slow on this bike. I don't break a sweat . I am hardly moving. Does anyone have hot rash from exercising? My skin on almost my entire body is hot most of the time. No other rash on my body from exercising. Thanks.
Posts: 211 | From In my house | Registered: May 2007
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sammy
Frequent Contributor (5K+ posts)
Member # 13952
posted
I have gotten rashes from exercising before. Usually happened when I got too hot and or was in the sun for too long.
Maybe the exercise and slight internal temperature change is causing your body to suddenly release histamine. This could be a type of physical urticaria (thinking either cholinergic or heat).
Not much you could do to treat this. You could try to apply ice to the rashy areas and take some Benadryl. Or you might be able to prevent the rash by taking an antihistamine before you exercise.
You said that your skin feels hot all over most of the time. Do you ever get hot to the point where you sweat? Maybe you are experiencing a form of autonomic dysfunction where your body is unable to regulate temperature correctly like getting hot and not being able to sweat enough to cool off.
I'm interested in hearing other's thoughts on this.
Posts: 5237 | From here | Registered: Nov 2007
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Keebler
Honored Contributor (25K+ posts)
Member # 12673
posted
- There is a term for this but I can't remember. You may be allergic to the stress hormones produced during exercise, allergic to own adrenaline.,
You might try a non-aerobic exercise such as Tai Chi, Qi Gong or Yoga and see if you get the same reaction. Be sure to wear 100% cotton washed in a citrus based soap such as Seventh Generation or BioKleen. -
Posts: 48021 | From Tree House | Registered: Jul 2007
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steve1906
Frequent Contributor (1K+ posts)
Member # 16206
posted
I get a rash on my inner left thight when I exercise. Its itchy but not hot. It realy never goes away, but gets much worst with exercise.
-------------------- Everything I say is just my opinion! Posts: 3529 | From Massachusetts Boston Area | Registered: Jul 2008
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Keebler
Honored Contributor (25K+ posts)
Member # 12673
posted
- This may be worth discussing with your doctor. Medication or any new lotions or soaps may also be a key. --------------
Exercise urticaria, sometimes mistaken as exercise allergy, itchy legs, itchy legs syndrome or itchy pants syndrome, is a form of urticaria that happens during exercise.
It is characterized by itching, swelling - or hives on the legs, arms, torso or neck during or after exercise.
Cholinergic urticaria is brought on by a physical stimulus.
� Although the physical stimulus might be considered to be sweat, the actual precipitating cause is increased body temperature. �
Lesions usually appear within a few minutes of sweating, and may last for 30 minutes to over an hour.
In extreme cases, the condition can progress to an anaphylactic reaction, causing the person to pass out or suffocate due to blocked airways. People suffering from cholinergic urticaria may carry an epinephrine autoinjector (such as an EpiPen) in case of anaphylaxis. . . .
Histamine Tied To Changes In Blood Pressure During Exercise-recovery Period
Main Category: Sports Medicine / Fitness
Article Date: 12 Oct 2006
Overactivation of two receptors for histamine, normally associated with common allergies and acid reflux, may explain why some people, including highly trained athletes, pass out soon after heightened physical activities, according to researchers at the University of Oregon.
ROBERT G. HOSEY, M.D., University of Kentucky School of Medicine, Lexington, Kentucky
PETER J. CAREK, M.D., M.S., Medical University of South Carolina, Charleston, South Carolina
ALVIN GOO, PHARM.D., Harborview Medical Center, Seattle, Washington.
Am Fam Physician. 2001 Oct 15;64(8):1367-1373.
This article exemplifies the AAFP 2001 Annual Clinical Focus on allergies, asthma and respiratory infections.
In a select group of persons, exercise can produce a spectrum of allergic symptoms ranging from an erythematous, irritating skin eruption to a life-threatening anaphylactic reaction.
The differential diagnosis in persons with exercise-induced dermatologic and systemic symptoms should include exercise-induced anaphylaxis and cholinergic urticaria. Both are classified as physical allergies.
Mast cell degranulation with the release of vasoactive substances appears to be an inciting factor for the production of symptoms in both cases.
Exercise-induced anaphylaxis and cholinergic urticaria can be differentiated on the basis of urticarial morphology, reproducibility, progression to anaphylaxis and response to passive warming. Diagnosis is usually based on a thorough history and examination of the morphology of the lesions.
Management of acute episodes of exercise-induced anaphylaxis includes cessation of exercise, administration of epinephrine and antihistamines, vascular support and airway maintenance.
Long-term care may require modification of or abstinence from exercise, avoidance of co-precipitating factors and the prophylactic use of medications such as antihistamines and mast cell stabilizers.
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