Before using ciclesonide, tell your doctor or pharmacist if you are allergic to it; or to other corticosteroids (such as beclomethasone, fluticasone); 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: tuberculosis, untreated infections (such as those caused by fungus or bacteria), certain eye problems (glaucoma, cataracts, herpes infection of the eye), liver disease, adrenal gland problems (such as adrenal insufficiency), underactive thyroid (hypothyroidism), bone loss (osteoporosis).

If you have switched from a corticosteroid taken by mouth (such as prednisone tablets) to this inhaler within the past 12 months, or if you have been using this product in higher-than-usual doses for a long time, it may be 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 a corticosteroid taken by mouth within the past 12 months. Tell your doctor right away if you develop unusual/extreme tiredness or weight loss. Carry a warning card or medical ID bracelet that says you use (or have used) corticosteroid medications.

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.

When used for extended periods, medications similar to ciclesonide may affect bone strength, especially in people who smoke, have a family history of brittle bones (osteoporosis), or take other medications that may weaken bones (such as phenytoin). Bone density tests may help to determine whether you need medication to treat or prevent this problem. Consult your doctor for more information.

This medication may temporarily slow down a child's growth if used for a long time. However, poorly controlled asthma can also slow down growth. See the doctor regularly so your child's height can be checked.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

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