Most of the time, we know when we have an allergic reaction to something. We usually start sniffling or develop a skin rash. But a lot of the time we develop symptoms which, unknown to us, are actually signs that we are allergic to something.

Some of these symptoms include joint pains, muscle pains, headaches, stomach aches, asthma and acne. Allergic symptoms may also not develop at once, occurring as long as two to seventy-two hours after exposure, making it difficult to link them with the substance you are hypersensitive to. In these cases you need to undergo an allergy skin test to identify just what you are allergic to. (more…)

Tags: allergy skin prick test, skin testing, test results