It is very important that your doctor check your or your child's progress while you are using this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it.
This medicine may cause serious allergic reactions, including anaphylaxis. Anaphylaxis requires immediate medical attention. The most serious signs of this reaction are very fast or irregular breathing, gasping for breath, wheezing, or fainting. Other signs may include changes in color of the skin of the face, very fast but irregular heartbeat or pulse, hive-like swelling on the skin, and puffiness or swelling of the eyelids or around the eyes. If these side effects occur, get emergency help at once.
Your doctor may recommend that you have an emergency injection for allergic reactions available during the time of year you take this medication. If this is the case, make sure that you know how to use it properly for yourself or your child in case of a serious allergic reaction.
This medicine may increase risk of eosinophilic esophagitis. Check with your doctor right away if you or your child have severe chest pain or trouble swallowing while taking this medicine.
If you or your child have trouble breathing or if your asthma becomes difficult to control, call your doctor immediately.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.