3 doctors weighed in:
Instant horse allergy? I rode years ago.
3 doctors weighed in

Dr. Martin Ostro
Internal Medicine - Allergy & Immunology
2 doctors agree
In brief: Occurs any time.
My office is close to several universities and each november i see freshmen who went home for thanksgiving and reacted to pets they tolerated for years.
When a person prone to develop allergies grows up in frequent contact with an animal, often a tolerance develops but if contact is stopped for over 2-3 months the tolerance disappears and subsequent contact produces symptoms.

In brief: Occurs any time.
My office is close to several universities and each november i see freshmen who went home for thanksgiving and reacted to pets they tolerated for years.
When a person prone to develop allergies grows up in frequent contact with an animal, often a tolerance develops but if contact is stopped for over 2-3 months the tolerance disappears and subsequent contact produces symptoms.
Dr. Martin Ostro
Dr. Martin Ostro
Thank
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