Nervous System Home > Parlodel Side Effects

Dizziness, nausea, headache, and constipation are the most common side effects reported with Parlodel. Side effects of the drug are typically minor and do not require medical attention in most cases, but serious side effects are possible. Some of the rare but serious side effects of Parlodel that should be reported to your healthcare provider right away include a constant headache, vision changes, or hallucinations.

An Introduction to Parlodel Side Effects

As with any medicine, Parlodel® (bromocriptine mesylate) may cause side effects. If side effects do occur, they are often minor and either require no treatment or can easily be treated by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with Parlodel. Your healthcare provider can discuss a more complete list of Parlodel side effects with you.)

Common Side Effects of Parlodel

Parlodel has been studied thoroughly in clinical trials, in which a group of people taking the drug have side effects documented and compared to another group not taking the medicine. This way, it is possible to see what side effects occur, how often they appear, and how they compare to the group not taking the medicine.
In these studies, the most common side effects of Parlodel included:
  • Nausea -- in up to 49 percent of people
  • Headaches -- up to 19 percent
  • Dizziness -- up to 17 percent
  • Constipation -- up to 14 percent
  • Fatigue -- up to 7 percent
  • Lightheadedness -- up to 5 percent
  • Vomiting -- up to 5 percent.
Other common Parlodel side effects (occurring in 3 to 4 percent or at an unlisted frequency) included:
  • Abdominal cramps
  • Loss of appetite
  • Dry mouth or nasal stuffiness
  • Indigestion or heartburn
  • Blue or cold fingers or toes
  • Diarrhea
  • Drowsiness
  • Involuntary muscle movements
  • Insomnia
  • A spinning sensation (vertigo).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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