Modafinil is not classically a Parkinson’s drug, but can be used in preventing sleep attacks in PD patients, Mostly used in sleep disorder patients, sleep apnea, narcolepsy, and shift worker sleep disorders. Sometimes (off label) used by middle aged executives who feel they are losing their edge. It can make patients more obsessive and paranoid
Exacerbation of Obsessions With Modafinil in 2 Patients With Medication-Responsive Obsessive-Compulsive Disorder