Allergy symptoms
Can allergies cause it? 26 common symptoms, each answered plainly first, with the allergens behind it, how to tell it from a cold or an infection, and when to see a doctor. Every claim links to its source.
Nose and sinuses
7 pagesShortness of breath, wheezing, a tight throat, trouble swallowing, or swelling of the lips or tongue can be signs of anaphylaxis, a serious allergic reaction. If someone is having a serious allergic reaction, call 911 (source: MedlinePlus on anaphylaxis). The pages on breathing trouble and swelling open with these warning signs.