Dexamethasone comes as a tablet and a solution to take by mouth. Your doctor will prescribe a dosing schedule that is best for you. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Dexamethasone is a corticosteroid indicated for allergic states, dermatologic diseases, endocrine disorders, gastrointestinal diseases, hematologic disorders, neoplastic diseases, nervous system, ophthalmic diseases, renal diseases, respiratory diseases, and rheumatic disorders. Dexamethasone official prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions, pharmacology and more. Common Side Effects of Dexamethasone. Increased appetite is one of the commonly reported side effects of dexamethasone. Unless it persists or is bothering you, it does not warrant medical attention. Pictures of Dexamethasone (Dexamethasone), drug imprint information, side effects for the patient. Find patient medical information for Dexamethasone Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Side effects of dexamethasone depend on the dose, the duration and the frequency of administration. Short courses of dexamethasone usually are well tolerated with few and mild side effects. Cancer. People with cancer undergoing chemotherapy are often given dexamethasone to counteract certain side effects of their antitumor treatments. Dexamethasone can increase the antiemetic effect of 5-HT 3 receptor antagonists, such as ondansetron. The exact mechanism of this interaction is not well-defined, but it has been theorized that this. Dexamethasone oral tablet doesn’t cause drowsiness, but it can cause other side effects. More common side effects. The more common side effects that can occur with dexamethasone oral tablets. Dexamethasone Injection official prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions, pharmacology and more.