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The active ingredient in DALIRESP tablets is roflumilast. Roflumilast and its active metabolite (roflumilast Noxide) are selective phosphodiesterase 4 (PDE4) inhibitors. The chemical name of roflumilast is N-(3,5- dichloropyridin-4-yl)-3-cyclopropylmethoxy-4-difluoromethoxy-benzamide. Its empirical formula is C17H14Cl2F2N2O3 and the molecular weight is 403.22. The chemical structure is:
The drug substance is a white to off-white non-hygroscopic powder with a melting point of 160°C. It is practically insoluble in water and hexane, sparingly soluble in ethanol and freely soluble in acetone.
DALIRESP is supplied as white to off-white, round tablets, embossed with “D” on one side and “500” on the other side. Each tablet contains 500 mcg of roflumilast.
Each tablet of DALIRESP for oral administration contains the following inactive ingredients: lactose monohydrate, corn starch, povidone and magnesium stearate.
What are the possible side effects of roflumilast (Daliresp)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
You may have unusual thoughts or behavior, or thoughts about suicide, while taking this medicine. Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, depression, trouble sleeping, or if you feel impulsive, or you have thoughts about suicide or hurting yourself.
Call your doctor at once if you have a serious side effect such as:
- rapid and unintended weight...
What are the precautions when taking roflumilast (Daliresp)?
Before taking roflumilast, tell your doctor or pharmacist if you are allergic to it; 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: liver disease, cancer, heart disease (such as heart failure), current/past infections (such as tuberculosis, herpes), mental/mood disorders (depression, thoughts of suicide), unexplained/extreme weight loss, immune system disorders (such as lupus, HIV).
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit...
Last reviewed on RxList: 9/6/2013
This monograph has been modified to include the generic and brand name in many instances.
Additional Daliresp Information
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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