Mirapex is the brand name for the generic drug pramipexole. This prescription medication is indicated to alleviate movement difficulties associated with Parkinson's disease and restless leg syndrome. Mirapex works by increasing the amount of dopamine, a neurochemical involved in body movement, within the brain. Patients should discuss the side effects of Mirapex with a medical professional before beginning treatment.
Dry Mouth or Upset Stomach
After taking Mirapex, patients can develop dry mouth side effects including increased thirst, sore throat or thick saliva. Stomach upset can also occur in patients using this medication. Affected patients can experience nausea, heartburn, diarrhea or constipation, according to MedlinePlus. In combination, these side effects can contribute to decreased appetite and unintended weight loss in patients.
Difficulty Sleeping or Drowsiness
Use of this medication can stimulate activity within the brain, which can lead to sleeping difficulties in some people. Alternatively, other patients may experience increased drowsiness or somnolence after taking Mirapex. In clinical trials for this medication, over 20 percent of patients experienced increased drowsiness, while approximately 17 percent developed difficulty falling sleep or staying asleep through the night, according to RxList. These side effects can make it difficult for patients to remain alert and attentive during daily activities.
Headache or Dizziness
Headache can occur as a side effect in patients taking Mirapex, making it difficult for patients to focus while performing daily tasks. Some patients experience dizziness in conjunction with headache pain, according to Drugs.com. Though these side effects can be bothersome, they typically subside with continued use of Mirapex.
Abnormal Dreams or Hallucinations
Patients taking Mirapex can experience abnormal thoughts or dreams as a side effect of treatment. In clinical trials for Mirapex, nearly 10 percent of treated patients saw, heard or felt things that were not real, reports RxList. These hallucinations can be confusing and may cause affected patients to appear disoriented or unstable. The risk of experiencing hallucinations is greatest for patients over 65, according to PDRHealth.
Edema, Body Aches or Weakness
Unusual body and muscle changes can arise as side effects of Mirapex treatment. Affected patients may notice fluid accumulation in their limbs, which can cause their feet, legs, arms or hands to appear swollen or enlarged, according to MedlinePlus. Additionally, patients can develop persistent body or muscle aches or weakness. These side effects can make it difficult for affected patients to move about normally without assistance.
Decreased Libido
Treatment with this medication can alter a patient's normal interest in sex. Consequently, affected patients can experience an unusual decrease in their sexual desire or libido, according to MedlinePlus. This side effect of Mirapex can affect both men and women, and should be discussed with a medical professional if it occurs.
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