A tremendous many things can cause red welts on the skin. Thousands of conditions can give you a runny nose. To determine whether or not these are allergic reactions requires a professional diagnosis. ... read more
In order for the tests to be effective, it may be necessary for you to discontinue any currently used medication temporarily. Prescription antihistamines such from the time when Allegra (fexofenadine) may take more than a week to clear out of the composition. Even Benadryl or Claritin may have to be stopped for a day or two. All these and more can interfere with the accuracy of the test. ... read more
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But when that is not enough, drugs can help. Itching and swelling can be handled by application of a chilly compress. A cool shower may bring only temporary relief, conversely from time to time 'temporary' is long enough. Avoid scratching and wear clothing that doesn't irritate the area further.
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