Before taking methylprednisolone, tell your doctor or pharmacist if you are allergic to it; or to prednisone; 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: bleeding problems, blood clots, brittle bones (osteoporosis), diabetes, eye diseases (such as cataracts, glaucoma, herpes infection of the eye), heart problems (such as recent heart attack, heart failure), high blood pressure, current/past infections (such as those caused by tuberculosis, threadworm, herpes, fungus), kidney disease, liver disease (such as hepatitis B), mental/mood conditions (such as psychosis, depression, anxiety), stomach/intestinal problems (such as diverticulitis, ulcer, ulcerative colitis), seizures, a certain adrenal gland tumor (pheochromocytoma).

This drug may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Talk to your doctor if you are using marijuana (cannabis).

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.

Methylprednisolone 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.

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

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

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. See also Medical Alert section.

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 a long 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.

This medication passes into breast milk, but is unlikely to harm a nursing infant. Consult your doctor before breastfeeding.