Please consult your personal physician before taking any medication. Generic Name: cromolyn sodium (inhalation) (KROE moe lin SOE dee um) Brand Names: Intal, Intal Inhaler What is Intal Inhaler (cromolyn sodium? Cromolyn sodium is an anti-inflammatory medication. It works by preventing the release of substances in the body that cause inflammation. Cromolyn sodium inhalation is used to prevent asthma attacks in people with bronchial asthma. Cromolyn sodium is also used to prevent bronchospasm (wheezing, chest tightness, trouble breathing) caused by exercise, pollutants in the air, or exposure to certain chemicals. Cromolyn sodium inhalation may also be used for other purposes not listed in this medication guide.