Pharm Final 3 Flashcards
Clinical use of Sympathomimetics a a a c o a n
asthma anaphylactic shock ADHD (not Epi, but other related drugs) Cardiac arrest Ocular surgery Adjunct with local anesthesia nasal decongestant
Not epi, but related drugs are used for ADHD. They stimulate areas in the brain to retain focus. They’re related to
amphetamines
Epi is good for eye surgery b/c (1) it dilates the pupil and (2) it constricts the eye __ to reduce blood loss
artery
Sympathomimetics can be used as nasal decongestant by
decreasing blood flow that had accumulated from inflammation
examples of sympathomemitics used as nasal decongestants are
pseudoephedrine and ephedrine (which are used to make crystal meth)
Toxic effects of sympathomemitics
tachycardia, arrhythmias, CV hemorrhage hypertension
phenylephrine is which class of drug
sympathomimetic
unlike epinephrine which is nonspecific, phenylephrine is _ specific
alpha specific
phenylephrine, agonist or antagonist?
agonist
all alpha specific sympathomimetic drugs do what to blood vessels
constrict
phenylephrine does what to blood vessels
constricts
is used to treat cold/allergy symptoms (like nasal congestion)
phenylephrine
2 contraindications for phenylephrine
hypertension and narrow angle glaucoma
phenylephrine interaction with MAO inhibitors causes
hypertension
phenylephrine interaction with TCA causes increased ___ effect
sympathomimetic effect
Example of a sympathomimetic Beta agonist
Albuterol
albuterol side effects include tremor, dizzy, nervous, excited, insomnia, and
tachycardia
Albuterol is contraindicated in CV disorder, __ and __
diabetes and hyperthyroidism
phenylephrine has drug interactions with __ inhibitors and __
MAO inhibitors and TCA
example of sympathetic alpha blockers
Prazosin