Corticosteroids
If antihistamines don’t make you feel relieved even at high doses or result in severe side effects, then your doctor might prescribe corticosteroids to quickly alleviate the itchiness and swelling. These drugs can dampen the whole immune system. So no matter if the cause is autoimmune or allergic, you can take them to reduce the symptoms that antihistamines might not. The most prescribed corticosteroid is prednisone, which would be taken orally or by injection. However, you should use it for short-term treatments due to some side effects such as diabetes, glaucoma, or osteoporosis. [10]
