 [ Symptoms ] admitted into the hospital for angioedema how to get swelling to go down [ Disease ] 1st thing you need to do is avoid taking ibuprofen benadryl or any other nsaids this may trigger you angioedema more take anti allergic medicines to reduce the itching and swelling rapidly low dose steroids can help but these should not be taken for more than 5 7 days consult a doctor if the swelling doesnt subside get kidney function tests done