Before using dexamethasone, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: infections (such as tuberculosis, herpes, fungal infections), kidney disease, liver disease (such as hepatitis B), mental/mood disorders (such as psychosis, anxiety, depression), mineral imbalance (such as low level of potassium/calcium in the blood), thyroid disease, stomach/intestinal problems (such as ulcer, ulcerative colitis, diverticulitis, unexplained diarrhea), high blood pressure, heart problems (such as heart failure, recent heart attack), diabetes, eye diseases (such as cataracts, glaucoma, herpes infection of the eye), bone loss (osteoporosis), blood clots, a certain adrenal gland tumor (pheochromocytoma).

Using corticosteroid medications for a long time can make it more difficult for your body to respond to physical stress. Before having surgery or emergency treatment, or if you get a serious illness/injury, tell your doctor or dentist that you are using this medication or have used this medication within the past 12 months. Tell your doctor right away if you develop unusual/extreme tiredness or weight loss. If you will be using this medication for a long time, carry a warning card or medical ID bracelet that identifies your use of this medication.

This medication may mask signs of infection. It can make you more likely to get infections or may make current infections worse. Stay away from anyone who has an infection that may easily spread (such as chickenpox, COVID-19, measles, flu). Talk to your doctor if you have been exposed to an infection or for more details.

This medication may cause stomach bleeding. Daily use of alcohol while using this medication may increase your risk for stomach bleeding. Limit alcoholic beverages. Consult your doctor or pharmacist for more information.

Tell your health care professional that you are using dexamethasone before having any immunizations/vaccinations. Avoid contact with people who have recently received live vaccines (such as flu vaccine inhaled through the nose).

Older adults may be more sensitive to the side effects of this drug, especially bone loss/pain, stomach/intestinal bleeding, and mental/mood changes (such as confusion).

This medication may slow down a child's growth if used for a long time. Consult the doctor or pharmacist for more details. See the doctor regularly so your child's height and growth can be checked.

During pregnancy, this medication should be used only when clearly needed. It may rarely harm an unborn baby. Discuss the risks and benefits with your doctor. Infants born to mothers who have been using this medication for an extended time may have hormone problems. Tell your doctor right away if you notice symptoms such as nausea/vomiting that doesn't stop, severe diarrhea, or weakness in your newborn.

It is unknown if this medication passes into breast milk. Consult your doctor before breastfeeding.