Increased REM
Bupropion
Carbachol
Estrogen
Methyldopa
Nefazodone- blocks 5HT2A, alpha 1 and H1 receptors
Physostigmine
Reserpine
Due to increased acetylcholine activity
Decreased REM
Gabapentin
Fluoxetine
Lithium
Clonazepam
Methadone
Alcohol
Amphetamines
Antihistamines
Atropine
Barbiturate
BDZ
Benztropine
beta blocker
caffeine
carbamazepine
Citalopram- SSRI
Duloxetine- inhibits serotonin/ NE reuptake
chlorpromazine
Clonidine
Corticosteroids
Ethosuximide
Haloperidol
Loxapine
Maprotiline
Metachlorpromide
Narcotics
Nicotine
Phenelzine
Phenytoin
Progesterone
Scopolamine
SSRIs
Selegiline
stimulants
TCAs (except trimipramine)
Trifluoperazine
Trihexyphenidyl
Venlafaxine- lower doses inhibits serotonin reuptake, at higher doses NE reuptake inhibited, weak inhibitor of dopamine and so decteased REM
Desipramine- TCA blocks reuptake of NE and Serotonin this medication blocks muscarinic Ach receptors alpha 1 and H1 receptors
