 [ Symptoms ] admitted into the hospital for angioedema how to get swelling to go down [ Disease ] first of all be careful as nsaids cause increased angioedema so avoid them avoid any known allergen or trigger that causes their symptoms avoid any medicines herbs or supplements that are not prescribed by a provider cool compresses or soaks can relieve pain you can get antihistamines anti inflammatory medicines corticosteroids if prescribed by your physician only if you have breathing airway symptoms inhaler medicines that help open up the airways can be used