Dexazal Ampoule Injection contains Dexamethasone Sodium Phosphate, a fast-acting synthetic corticost...Dexazal Ampoule Injection contains Dexamethasone Sodium Phosphate, a fast-acting synthetic corticosteroid. It is commonly used in the management of acute allergic reactions, severe inflammation, asthma attacks, arthritis flare-ups, autoimmune disorders, and cerebral edema. Being in ampoule form, it is intended for intramuscular (IM), intravenous (IV), or intra-articular administration depending on clinical need.See more