[Prevalence of antiparkinsonian treatment complications: a systematic review and estimation of projections].

Introduction: The development of Parkinson's disease (PD) presents different complications deriving from the disease itself, but also from its treatment. The appearance of side effects with the use of antiparkinsonian drugs is common and their management is complicated, which makes it necessary to determine the epidemiological impact of these problems related with antiparkinsonian medication.

Aim: To estimate the prevalence of the side effects of the treatment for the motor symptoms of PD and the possible long-term impact.