Dexamethasone is a fluorinated glucocorticoid medication [10] used to treat rheumatic problems, a number of skin diseases, severe allergies, asthma, chronic obstructive pulmonary disease (COPD), croup, brain swelling, eye pain following eye surgery, superior vena cava syndrome (a complication of some forms of cancer), [11] and along with. Dexamethasone oral tablet is a prescription drug used to treat many conditions, including allergic reaction. Learn about its side effects, dosage, and more. Dexamethasone is an inflammation-treating steroid that may cause changes in mood and behavior, and can cause weight gain. Here’s our full list of side effects. Dexamethasone is used to treat inflammatory conditions such as allergies, skin conditions, ulcerative colitis, arthritis and breathing disorders. Includes dexamethasone side effects, interactions and indications. NHS medicines information on dexamethasone tablets and liquid – what they're used for, side effects, dosage and who can take them. Dexamethasone tablets are a corticosteroid that treats inflammation of the skin, joints, lungs and other organs. Dexamethasone: learn about side effects, dosage, special precautions, and more on MedlinePlus Dexamethasone (Dexamethasone) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Dexamethasone is a corticosteroid (cortisone-like medicine or steroid). It works on the immune system to help relieve swelling, redness, itching, and allergic reactions. Dexamethasone tablets are also used in combination with other medicines to treat multiple myeloma (a type of bone marrow cancer). Find patient medical information for Dexamethasone (Decadron) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.