Available Doses:  10 mg, 15 mg, 20 mg, 25 mg, and 30 mg sublingual film Start studying Dopamine Agonist Drugs. Here are 12 dopamine supplements to boost your mood. Mirapex®(pramipexole dihydrochloride) 5. Dopamine isn't a simple variable that you can raise or lower within the brain for a desired effect. Side effects associated with dopamine antagonists include: * Hyperprolactinaemia * Parkinsonism * Impotence * Tardive dyskinesia * Menstrual dysfunction * Galactorrhea * Low libido. We highly advise against taking nicotine in any form, as it is an addictive substance. [CDATA[// >