Drugs Disulfiram Naltrexone (used for opioids and cigarettes) Acamprostate Buproprioin (Used for cigarettes and meth) Varenicline Clonidine methadone, buprenorphine, naltrexone Modafinil FOR PARKINSONS Dopamine Replacement Levodopa Highly effective for treating PD but effect wears off by end of 5 years AE o Nausea, vomiting o CV: Postural hypotension o Dysrhythmias o Dyskinesia Ballismus: Rapid involuntary jerking or flinging Choreoathetosis: Slow writing movement o Psychosis o CNS stimulation Vitamin B6 (pyridoxine) decreases levodopa effectiveness Non Ergot derivatives Pramipexol AE o o Nausea, dizziness, somnolence, insomnia, constipation Rare: Sleep attacks Ropinirole (Requip) AE: Same as pramipexol Rotigotin Transdermal patch Apomorphine Used for “off” episodes in advanced PD AE o Hallucinations, yawning, dyskinesia ERGOT Derivatives Bromocriptine Similar to pramipexol and ropinirole COMT Inhibitors Only indicated for use with levodopa, no direct therapeutic effects Prevents the metabolism of levodopa Improves motor function Entacapone AE o Constipation, yellow orang urine Tolcapone AE in addition to entacapone AE o Hematuria and liver failure MAO – B inhibitor Prevents metabolism of levodopa Selegiline Don’t mix with antidepressants Intensify AE of levodopa AE o Insomnia, orthostatic hypotension, GI effects Rasagiline Amantidine Can cause levedo reticularis Centrally acting anticholinergics Benztropine FOR ALZHEIMERS Cholinesterase inhibitors Donepezil Rivastigmine o Irreversible inhibition of cholinesterase Galantine o Reversible inhibition of cholinesterase NMDA inhibitors Memantine o MOA: Antagonizes NMDA receptors when glutamate levels are low Bc there is a constant leakage of glutamate in AD pts, so its always active Prevents calcium influx EPILEPSY Phenytoin therapeutic levels: 10-20mcg Types of seizures Simple partial: 20-60s with no loss of consciousness Complex partial: 45-60s with impaired consciousness Secondarily generalized: 1-2min with loss of consciousness Tonic-clonic: 90s or less with impaired consciousness Absence: Primarily in children. 10-30s with loss of consciousness Atonic: loss of muscle tone Myoclonic: Sudden muscle contraction for 1s Status epilepticus: Persists for 15-30 mins with no consciousness Febrile: due to infection at a young age Lennox-Gastaut: mixed Drug abuse DRUG SCHEDULES Schedule I: No current accepted medical use, high potential for abuse o LSD, maryjane, ecstasy Schedule II: High potential for abuse and dependence o Hydrocodone, Vicodin, cocaine Schedules III: abuse potential, moderate to low potential for dependence o Ketamine Schedule IV: Low potential for abuse and dependence Schedule V: lower potential than IV Alcohol Facilitate withdrawal: o Benzodiazepines: Decreases withdrawal intensity Maintain abstinence o Disulfiram: unpleasant effects if alcohol in consumed Avoid all sources of alcohol o Naltrexone: Decrease cravings for alcohol and blocks pleasurable effects o Acamprosate: Reduces unpleasant feelings brought on by abstinence Nicotine Bupropion o Atypical antidepressant o Reduce urge to smoke Varenicline o Most effective aide for smoking cessation Opioids Triad of symptoms o Respiratory depression o Coma o Pinpoint pupils Detox o Clonidine assisted Methadone o Suppressive therapy o Large doses create high tolerance and decreases desirable affects via cross tolerance Naltrexone o Blocks euphoria