Deprenyl and Eldepryl are names for the drug Selegiline--they are all the same. This drug is a MAO-B inhibitor which increases the effects ofDOPAMINE IN THE BRAIN. IT (ooops) should not be taken in combination with the pain killer Demerol, as that can be life-threatening! Camilla Flintermann, CG for Peter, 79/8, Oxford,Ohio [log in to unmask] * * * * * * * * * * * * * * "Ask me about the CARE list for PD caregivers!" * * * * * * * * * * * * * *