Omalizumab should always be injected in a doctor's office, and health care providers should observe patients for at least 2 hours after an injection. Patients should also carry emergency self-treatment for anaphylaxis (such as an Epi-Pen) and know how to use it. With an Epi-Pen, or similar auto-injector device, patients can quickly give themselves a life-saving dose of epinephrine.

Anaphylaxis symptoms include:

• Difficulty breathing
• Chest tightness
• Dizziness
• Fainting
• Itching and hives
• Swelling of the mouth and throat

The FDA is currently reviewing whether omalizumab may be associated with increased risk for heart and vascular problems (ischemic heart disease, arrhythmias, cardiomyopathy, heart failure, pulmonary hypertension, and blood clots).

Theophylline

Theophylline relaxes the muscles around the bronchioles and also stimulates breathing. Since the introduction of inhaled corticosteroids and long-acting beta2-agonists, theophylline is not used as often for asthma treatment. It may still be used in some circumstances, such as for treating nocturnal asthma. Theophylline is available in tablet, liquid, and injectable forms. Theophylline should not be used by people with peptic ulcers, and should be used with caution by anyone with heart disease, liver disease, high blood pressure, or seizure disorders.

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Review Date: 05/03/2011
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)