Bromocriptine (Palodal) 2.5 mg is a prescription medicine that affects dopamine and lowers the hormone prolactin. It is used for conditions such as abnormally high prolactin levels and certain pituitary disorders; it also has other medical uses.Common side effects include nausea, headache, dizziness, drowsiness, constipation, and low blood pressure, especially when starting treatment. It is generally taken with food, but the exact dose depends on why it was prescribed.