Ropinirole XL, marketed under the brand name Ropiqua XL among others, is a medication primarily used in the treatment of Parkinson's disease and restless legs syndrome (RLS). It belongs to a class of drugs known as dopamine agonists, which work by mimicking the action of dopamine, a neurotransmitter in the brain that is involved in controlling movement and coordination. As Parkinson's disease and some cases of restless legs syndrome are associated with low levels of dopamine, Ropinirole XL helps by stimulating the dopamine receptors, thereby improving symptoms such as stiffness, tremors, muscle spasms, and poor muscle control. This extended-release formulation allows for once-daily dosing, offering convenience and the potential for more stable control of symptoms compared to immediate-release formulations. As with any medication, it is important to use Ropinirole XL under the guidance of a healthcare provider, as it can have side effects and may interact with other medications.