Budesonide is a steroid. It prevents the release of substances in the body that cause inflammation..

Budesonide is used to treat mild to moderate Crohn's disease.

Budesonide may also be used for other purposes not listed in this medication guide.

While taking budesonide, tell your doctor if you have changes in the shape or location of body fat (especially in your arms, legs, face, neck, breasts, and waist), high blood pressure, (severe headache, fast or uneven heart rate, blurred vision), or a general ill feeling with headache, tiredness, nausea, and vomiting.

Grapefruit and grapefruit juice may interact with budesonide and cause increased levels of the medication in your blood. Discuss the use of grapefruit products with your doctor. Do not increase or decrease the amount of grapefruit products in your diet without first talking to your doctor.

Avoid being near people who are sick or have infections. Call your doctor for preventive treatment if you are exposed to chicken pox or measles. These conditions can be serious or even fatal in people who are using budesonide.

You should not take this medication if you are allergic to budesonide, or if you have active tuberculosis or any other type of a serious bacterial, viral, or fungal infection.

Before taking budesonide, tell your doctor if you are allergic to any drugs, or if you have:

• kidney disease;

• liver disease (including cirrhosis);

• stomach ulcer, intestinal bleeding or blockage;

• measles, scarlet fever, or any other condition with a skin rash;

• diverticulitis;

• osteoporosis;

• high blood pressure;

• heart disease or coronary artery disease;

• overactive thyroid;

• mental illness;

• a muscle disorder called myasthenia gravis; or

• a personal or family history of diabetes, glaucoma, or cataract.

FDA Pregnancy Category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

Budesonide can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.