How Long Does A Rash From Fish Allergic Reaction Last in the USA

Symptoms usually commence within 30 minutes of eating, and include flushing, itch, hives (urticaria), nausea, vomiting, stomach cramps, dizziness, palpitations and headache. Severe episodes may result in wheezing and dizziness or a drop in blood pressure. Mild symptoms may be treated with antihistamines. How long does a fish allergic reaction last? Symptoms usually start as…