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(pramipexole dihydrochloride) Extended-release Tablets
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:
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;
- muscle pain, tenderness, or weakness with fever or flu symptoms and dark colored urine;
- chest pain, cough with white or pink phlegm...
What are the precautions when taking pramipexole dihydrochloride extended-release tablets (Mirapex ER)?
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).
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Older adults may be at...
Last reviewed on RxList: 1/26/2016
This monograph has been modified to include the generic and brand name in many instances.
Additional Mirapex ER Information
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