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Exercise urticaria, commonly referred to as exercise allergy, itchy legs, itchy legs syndrome or itchy pants syndrome, is a form of urticaria caused by excessive exercise. It is characterized by itching, swelling or hives on the legs, arms, torso or neck during or after exercise.
In extreme cases, the condition can progress to an anaphylactic reaction, causing the person to pass out or suffocate due to blocked airways.
Cholinergic urticaria (itching)
Caused by a rise in body temperature, also experienced in saunas, hot tubs, and on hot days. Treated by:
- Antihistamines
- Exercising in a cooler environment
- Reduced workout intensity
- Stopping exercising at sign of flushing, itchy skin or hives.
Exercise-induced anaphylaxis
A life-threatening drop in blood pressure that can be fatal in major allergic reactions. Seen commonly when a person allergic to certain foods or medications exercises immediately after ingesting them. Symptoms are:
- Fatigue
- Unusual warmth
- Itching
- Redness of the skin progressing to large hives
- Collapse and unconsciousness
- Swelling of the throat, difficulty breathing or choking
- Nausea
- Vomiting
- A self-injectable epinephrine kit perscribed by a doctor
- Avoiding the triggering food or medication at least a day before vigorous exercise.
- Medical alert jewelry or ID tags describing the condition and sensitive substances.
- Accompanyment by someone informed of condition able to contact emergency service, like with an emergency telephone number.
Itchy Pants Syndrome
Some people are sensitive to the fabric in various pants, causing itchiness, stinging, and irritation, mainly in the thighs. Not common with cotton, some surmise it is caused by formaldehyde or fabric finishes in the cloth. Sometimes solved by:
- Wearing cotton-only non-designer blue pre-washed jeans.
- Wearing skirts.
- Over-the-counter topical anti-itch medications.
External links
"Exercise urticaria"