People with Parkinson disease (PD) have low dopamine stores, and many of the drugs used to treat PD are aimed at either replacing or simulating dopamine.  Carbidopa/levodopa (Sinemet) provides levodopa to the brain, which is then converted to dopamine.  There is also a class of dopamine simulating drugs, the dopamine agonists (DA).  DA are synthetic … Continue reading Impulse control disorder in Parkinson disease