How do you tell you're allergic to something?

if u're allergic to sth , u'll have some reactions such as sneezing , rashes on skin or might be bronchospasm if asthma .

Sneezing, itchy, watery eyes, congestion, possibly hives. If you're having those symptoms, then you should consult a doctor to find the cause of your allergies. In the meantime, take some antihistamines.

There's a mild, moderate or severe symptoms an allergy. Depends on the subject of your allergy. Some of the mild allergy symptoms are rashes, itchy, watery eyes and congestion. Difficulty breathing is a moderate and the severe symptoms are abdominal pain, cramps, vomiting, diarrhea, mental confusion or dizziness and varying degrees of swellings that can make breathing and swallowing difficult.

There's a mild, moderate or severe symptoms an allergy. Depends on the subject of your allergy. Some of the mild allergy symptoms are rashes, itchy, watery eyes and congestion. Difficulty breathing is a moderate and the severe symptoms are abdominal pain, cramps, vomiting, diarrhea, mental confusion or dizziness and varying degrees of swellings that can make breathing and swallowing difficult.

if u're allergic to sth , u'll have some reactions such as sneezing , rashes on skin or might be bronchospasm if asthma .

Do your throat get swollen or anything like dat? Cuz if so u should go to the doctor nd get check out