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Mirapex ER

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Mirapex ER

MIRAPEX ER®
(pramipexole dihydrochloride) Extended-release Tablets

Mirapex ER

DRUG DESCRIPTION

MIRAPEX ER tablets contain pramipexole, a non-ergot dopamine agonist. The chemical name of pramipexole dihydrochloride is (S)-2-amino-4,5,6,7-tetrahydro-6(propylamino)benzothiazole dihydrochloride monohydrate. Its empirical formula is C10H17N3S•2HCl•H2O, and its molecular weight is 302.26.

The structural formula is:

MIRAPEX ER® (pramipexole dihydrochloride)Structural Formula Illustration

Pramipexole dihydrochloride is a white to off-white powder substance. Melting occurs in the range of 296°C to 301°C, with decomposition. Pramipexole dihydrochloride is more than 20% soluble in water, about 8% in methanol, about 0.5% in ethanol, and practically insoluble in dichloromethane.

MIRAPEX ER tablets, for oral administration, contain 0.375 mg, 0.75 mg, 1.5 mg, 2.25 mg, 3 mg, 3.75 mg, or 4.5 mg of pramipexole dihydrochloride monohydrate. Inactive ingredients are hypromellose, corn starch, carbomer homopolymer, colloidal silicon dioxide, and magnesium stearate.

What are the possible side effects of pramipexole (Mirapex, Mirapex ER)?

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.

Stop taking pramipexole and call your doctor at once if you have any of these serious side effects:

  • extreme drowsiness, falling asleep suddenly, even after feeling alert;
  • nausea, sweating, feeling light-headed, fainting;
  • hallucinations;
  • muscle pain, tenderness, or weakness with fever or flu symptoms and dark colored urine;
  • chest discomfort, dry cough, feeling short of...

Read All Potential Side Effects and See Pictures of Mirapex ER »

What are the precautions when taking pramipexole dihydrochloride extended-release tablets (Mirapex ER)?

See also Side Effects section.

Before taking pramipexole, 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: low blood pressure, heart problems (such as irregular heartbeat, heart failure), kidney problems, mental/mood disorders (such as confusion, hallucinations, psychosis, schizophrenia), sleep disorder (such as sleep apnea, narcolepsy).

Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at a greater risk for side...

Read All Potential Precautions of Mirapex ER »

Last reviewed on RxList: 5/27/2014
This monograph has been modified to include the generic and brand name in many instances.

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Mirapex ER - User Reviews

Mirapex ER User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Mirapex ER sorted by most helpful. Patient Discussions FAQs

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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