calcium channel blockers (dihydropyridines) nifedipine (adalat, procardia) Flashcards
name the different types of calcium channel blockers
dihydropyridines
nifedipine aldalat, procardia)
adverse drug reactions of calcium channel blockers
reflex tachycardia
headache, lightheadedness; dizziness
facial flushing; perception of heat
peripheral edema of feet and legs
arrhythmias
gingival hyperplasia ( growth of gum tissue; bleeding gums;) -rare
is gingival hyperplasia a rare reaction to calcium channel blockers
yes
interventions when on calcium channel blockers
give nifedipine along with an ordered beta blocker to prevent reflex tachycardia
inform client about facial flushing
monitor and report edema
monitor BP
advise regular dental care
what may be prescribed with a calcium channel blocker due to edema that may occur
diuretic
how can calcium channel blockers be administered
oral use in capsules and sustained release tablets
when giving client instructions what should they report when on calcium channel blockers
report rapid heartbeat
report swelling of legs and feet
contraindications of calcium channel blockers
2nd or 3rd degree AV block
concurrent use with grapefruit juice; rifampin rifabutin; phenobarbital; phenytoin; or carbamazepine or St. John’s wort
can SR tablets be crushed
no; swallowed whole
interactions of calcium channel blockers
rifampin rifabutin; phenobarbital; phenytoin; or carbamazepine
St. John’s wort
grape fruit juice
what can an interaction between calcium channel blockers and rifampin rifabutin; phenobarbital; phenytoin; or carbamazepine cause
cause decrease efficacy of nifedipine and is contraindicated
what can the interaction between calcium channel blockers and st. john’s wort cause
decrease blood levels
what can the interaction between calcium channel blockers and grapefruit juice cause
may potentiate the effects of medication
what are calcium channel blockers used to treat
moderate hypertension
treats stable (exertional) and angina and variant (vasopastic) anginas
