<p>There is no known&nbsp;antidote&nbsp;for Nevirapine overdosage. Cases of Nevirapine overdose at doses ranging from 800 to 1800 mg per day for up to 15 days have been reported. Patients have experienced events including&nbsp;edema,&nbsp;erythema nodosum, fatigue, fever, headache, insomnia, nausea, pulmonary infiltrates, rash,&nbsp;vertigo, vomiting, and weight decrease. All events subsided following discontinuation of Nevirapine.</p>