Hay fever Symptoms - Diseases and Conditions - Mayo Clinic

Hay fever Symptoms - Diseases and Conditions - Mayo Clinic

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日期:2025-07-15
Hay fever signs and symptoms usually start immediately after you're exposed to a specific allergy-causing substance (allergen) and can include: Runny nose and nasal congestion Watery or itchy eyes Sneezing Cough Itchy nose, roof of mouth or throat Sinus ....看更多