Seafood allergies can be treated with antihistamines, corticosteroids, vitamin C and other medications. Seafood allergy is actually caused by some ingredients in seafood, which is manifested as rash, erythema, wind bumps or even blisters, gastrointestinal reaction and so on. You can take oral antihistamines, such as levocetirizine hydrochloride tablets, epinastine hydrochloride tablets or dicloretidine tablets, which can reduce tissue edema and stop itching. Corticosteroids, such as prednisone acetate tablets, are commonly used for severe allergic symptoms with symptoms such as panic and chest tightness; vitamin C tablets, which are used in acute allergic attacks, can effectively relieve allergic symptoms. Seafood allergy, should immediately stop eating seafood, avoid scratching the skin at the allergy, while taking anti-allergic drugs according to the doctor’s instructions, and timely access to medical care.