"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"...
REQUIP (ropinirole) is an orally administered non-ergoline dopamine agonist. It is the hydrochloride salt of 4-[2-(dipropylamino)ethyl]-1,3-dihydro-2H-indol-2-one monohydrochloride 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.
Each pentagonal film-coated TILTAB® tablet with beveled edges contains 0.29 mg, 0.57 mg, 1.14 mg, 2.28 mg, 3.42 mg, 4.56 mg, or 5.70 mg ropinirole hydrochloride equivalent to ropinirole, 0.25 mg, 0.5 mg, 1 mg, 2 mg, 3 mg, 4 mg, or 5 mg. Inactive ingredients consist of: croscarmellose sodium, hydrous lactose, magnesium stearate, microcrystalline cellulose, and one or more of the following: carmine, FD&C Blue No. 2 aluminum lake, FD&C Yellow No. 6 aluminum lake, hypromellose, iron oxides, polyethylene glycol, polysorbate 80, 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...
Last reviewed on RxList: 11/30/2010
This monograph has been modified to include the generic and brand name in many instances.
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