Requip (Ropinirole Hcl) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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May 16, 2012

Requip

Restless Leg Syndrome »

What is restless leg syndrome (RLS)?

Restless leg syndrome (RLS, restless legs syndrome) is a common cause of painful legs. The leg pain of restless leg syndrome typically eases with motion of the legs and becomes more noticeable at rest. Restless leg syndrome also features worsening of symptoms and leg pain during the early evening or later at night.

Restless leg syndrome is often abbreviated RLS; it has also been termed shaking leg syndrome. Nighttime involuntary jerking of the legs during sleep are also known as periodic leg/limb movement disorder.

What causes restless leg syndrome?

The cause of restless leg syndrome is unknown in most people. However, restless leg syndrome has been associated with

pregnancy,
obesity,
smoking,
iron deficiency and anemia,
nerve disease,
polyneuropathy (which can be associated with hypothyroidism, heavy ...

Read the Restless Leg Syndrome article »

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Requip

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REQUIP®
(ropinirole) Tablets

DRUG DESCRIPTION

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:

REQUIP®
(ropinirole) Structural Formula Illustration

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);
hallucinations;
tremors (uncontrolled shaking); or
tight feeling in your...

Read All Potential Side Effects and See Pictures of Requip »

Last reviewed on RxList: 11/30/2010
This monograph has been modified to include the generic and brand name in many instances.