"June 14, 2011 -- The FDA has issued an alert about medication errors involving patients who were mistakenly given the antipsychotic risperidone, (brand name Risperdal) instead of ropinirole (Requip), which is used to treat Parkinson's disease and"...
(ropinirole) Tablet, Extended Release for Oral Use
REQUIP (ropinirole) is an orally administered non-ergoline dopamine agonist. It is supplied as the hydrochloride salt of ropinirole 4-[2-(dipropylamino)ethyl]-1,3-dihydro-2H-indol-2-one and has an empirical formula of C16H24N2O•HCl. The molecular weight is 296.84 (260.38 as the free base).
The structural formula is:
Ropinirole hydrochloride is a white to yellow solid with a melting range of 243° to 250°C and a solubility of 133 mg/mL in water. REQUIP XL (ropinirole extended release tablets) Extended-Release Tablets are formulated as a three-layered tablet with a central, active-containing, slow-release layer, and 2 placebo outer layers acting as barrier layers which control the surface area available for drug release. Each biconvex, capsule-shaped tablet contains 2.28 mg, 4.56 mg, 6.84 mg, 9.12 mg, or 13.68 mg ropinirole hydrochloride equivalent to ropinirole 2 mg, 4 mg, 6 mg, 8 mg, or 12 mg, respectively. Inactive ingredients consist of carboxymethylcellulose sodium, colloidal silicon dioxide, glyceryl behenate, hydrogenated castor oil, hypromellose, lactose monohydrate, magnesium stearate, maltodextrin, mannitol, povidone, and one or more of the following: FD&C Yellow No. 6 aluminum lake, FD&C Blue No. 2 aluminum lake, ferric oxides (black, red, yellow), polyethylene glycol 400, titanium dioxide.
What are the possible side effects of ropinirole (Requip, Requip XL)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- feeling like you might pass out;
- fever, stiff muscles, confusion, sweating, fast or uneven heartbeats (especially if you stop taking ropinirole or use a lower dose);
- tremors (uncontrolled shaking); or
- tight feeling in your chest, trouble breathing.
Call your doctor...
What are the precautions when taking ropinirole extended release tablets (Requip XL)?
Before taking ropinirole, 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: heart disease, low blood pressure, sleep disorder (such as sleep apnea, narcolepsy), mental/mood disorder, liver problems.
Older adults may be more sensitive to the side effects of this drug, especially mental/mood changes (such as hallucinations).
This drug may make you drowsy or dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities...
Last reviewed on RxList: 4/30/2009
This monograph has been modified to include the generic and brand name in many instances.
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