When you have an allergy, your immune system overreacts to a substance (allergen) to which you are exposed. Allergy testing can provide useful information which an allergist can then use to treat your symptoms.
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Sinuses are hollow spaces in the bones of your face. The lining of the sinuses normally makes small amounts of mucus. Inflammation in the sinuses leads to swelling and extra mucus. Symptoms of sinusitis, also called rhinosinusitis, include:
Medications affect each of us in different ways, and reactions to drugs are very common. However, not all reactions are allergies. This is important because the type of reaction you are having (an allergy, a side effect, or intolerance) will determine what medications you can take in the future.
Patch tests are used to identify substances which cause a type of allergy called delayed-type hypersensitivity. A chronic or worsening skin rash is the most common reason a patch test is done.
Penicillin is one of the most commonly reported drug allergies. However, at least 80% of people who were penicillin allergic will no longer be allergic 10 years after the reaction. In fact, 95% of people labeled allergic turn out to have negative testing and can take penicillin again without problems. Simply avoiding penicillin anyway may sound simple, but there are risks:
Your immune system is constantly fighting germs that could cause infections. While everyone’s immune system loses a battle occasionally, suffering from lots of infections, or even just a few very severe infections, can be a sign of an immune system problem.