Indications of a reaction appear within seconds to minutes. Signs are visible on the skin in the form of rash, hives and itchiness. Swelling of face, lips and tongue are possible. Symptoms can escalate to anaphylactic reactions with constriction of the throat. Individuals may lose blood pressure or consciousness. Up to several hours or a day later, symptoms may still be present. This includes vomiting, diarrhea and/or stomach cramps.
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