CNSDrugs Flashcards
Brand Version and primary indication of Labetalol
Trandate
HTN
MOA of labetalol
alpha and beta adrenergic receptor blocker
MOA and primary indication of phenoxybenzamine
a1 postsynaptic receptor & a2 presynaptic receptor blocker
HTN associated w/ pheochromocytoma
Important side effects of Labetalol
Orthostatic hypotension, bronchospasms, HF
MOA and primary indication of Phentolamine
a1 and a2 adrenergic receptor blocker
HTN associated w/ pheochromocytoma
MOA and primary indication of Prazosin, Terazosin and Doxazosin
Selectively block a1 adrenergic receptors
HTN
Key adverse effects of Prazosin and related drugs
Postural hypotension and reflex tachycardia
Also Na and water retention
Key adverse effects of Phentolamine and Phenoxybenzamine
Postural hypotension, N/V, miosis, tachycardia, increased blood volume (after long-term use)
MOA and primary indication of Yohimbine
a2 adrenergic receptor blocker
HTN
Brand name of Propranolol HCl
Inderal
MOA of Propranolol
Blocks B1 adrenergic receptors on the heart, thereby directly depressing both SA nodal automaticity and AV nodal conduction
Adverse effects of Propranolol
Hypoglycemia, cold extremities, bradycardia, bronchospasms, sodium and water retention
MOA of Nadolol and Timolol
Non-selective B adrenergic receptor blockers
Primary indication of Nadolol
HTN
Primary indications of Timolol
HTN and open-angle glaucoma (topical)