How to Diagnosis physical allergy?

1 ANSWERS

1. Guest345
   

   The diagnosis is based on symptoms and the circumstances in which they occur. To diagnose reactions caused by cold, doctors place an ice cube on the skin for 4 minutes, remove the ice cube, then watch for the development of a hive. People may be advised not to use cosmetics and skin creams, lotions, and oils for a while to help determine whether one of these substances may be worsening the allergy.
   The best treatment is to avoid the stimulus that causes the physical allergy. For example, people who are very sensitive to sunlight should use a sunscreen and avoid exposure to the sun as much as possible.

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