Pharm 4 all drugs Flashcards
Phenytoin
Na+ channel blocker
1st line=
AE=
other=
Carbamazepine
Na+ channel blocker
1st line=
AE=
Other=
Oxcarbazepine
Na+ channel blocker
Treats=
Valproic acid
Na+ channel blocker Ca T-type blocker increase GABA production decrease GABA metabolism 1st line= AE= other=
Lamotrigine
Na+ channel blocker decrease GLUT release Treats= Rash and Aseptic meningitis Other use=bipolar disorder
Topiramate
Na+ channel blocker increase GABA receptor effects decrease Kainate GLUT receptor effects Adjunct therapy AE= other=
Zonisamide
Na+ channel blocker Ca T-type channel inhibitor increase GABA effects increase DA/5HT effects Adjunct therapy Alt. to valproic acid weight loss other=
Lidocaine
Na+ channel blocker
Treats=
Mexiletine
Lacosamide
Na+ channel blocker and neuroprotective
Adjunct therapy for partial seizures and used for neuropathic pain
AE=
Other=
Retigabine
K+ channel activator
Adjunct for partial seizures
AE=urinary retention
Phenobarbitol + Primidone (prodrug)
GABAa allosteric activators
increase duration of GABA Cl- channel opening
1st line=Seizures in young children and infantile spasms
2nd line=
AE=CNS depression and physical dependence
Diazepam, Lorazepam, Clonazepam, Clorazepate
GABAa allosteric activators; increase frequency of GABA Cl- channel opening
Acute Tx=Status epilepticus
AE=
Other= paraldehyde and flumazenil
Tiagabine
GABA reuptake inhibitor
Adjunct therapy
may exacerbate=absence seizures
Ethosuximide
Thalamic T-type Ca+ channel Blocker
1st=absence seizures
EFGH
Tox=
Gabapentin and Pregabalin
Selective alpha2delt1 V-G Ca channel blocker
Neuropathic pain
Parent drugs cleared unchanged by kidney
Levetiracetam
Ca channel affinity
blocks synaptic vesicle fusion
adjunct monotherapy
Morphine
3B
6B
Heroin
2-4X
Converted to morphine in brain
Hydromorphone and Oxymorphone
8-10X
same efficacy shorter duration
Codeine and Dextromethorphan
1/10th anti-tussive weak analgesic prodrug CYP2D6
Oxycodone
Hydrocodone
dihydrocodeine
similar potency
hydrocodone=short acting
prodrugs-CYP2D6
Meperidine
1/8th potency shorter duration post-surgical analgesia not for chronic pain increase seizure risk Less smooth muscle spasms no miosis
Fentanyl
80-100X
fast onset, short duration
intraoperative anesthesia
periphral nerve blocks
Levorphanol
long t1/2
Methadone
4X oral
long half life
narcotic dependence
cardiac instability
LAMA
very long half
narcotic dependence
Diphenoxylate and loperamide
40-50X more potent
diarrhea
does not cross BBB
Nalorphine and cyclazocine
Kappa3 agonist
mu antagonist
psychokinetic effects
Dysphoria
Pentazocine
Kappa and delta agonist
mu antagonist
Butorphanol
Kappa agonist
mu antagonist
5X more effective in women
Nalbuphine
Kappa agonist
Mu antagonist
ambulance analgesia
Buprenorphine
Mu partial agonist
Kappa3 partial agonist
Kappa1 antagonists
strong analgesic for drug addicts
Salvinorin A
Selective Kappa1 agonist
use naloxone
Tramadol
Mu and delta agonist
SNRI
alpha 2 agonist
Tapentadol
Mu and delta agoinst
NRI
Naloxone
Addiction deterrent in combos:
Oral use for pain-no block
IV use-blocks MuR
Naltrexone
for dependence-hepatotoxic
Nalmefene
orally active
no hepatotoxicity
Capsaicin
substance P
Methohexital
anesthesia induction-can be given rectally to children
Thiopental
Anesthesia induction
Thiamylal
USA
Secobarbital
Insomnia
Pentobarbital
anxiety
Phenobarbital
anticonvulsant-1st line for young children and infants
Midazolam
conscious sedation-same day surgeries