Herbal Flashcards
herbal medications: biggest use among what popns?
whites, women, higher income and education levels, ages 35-49
herbal meds used most for what purpuse?
for general wellness/to improve health
2 info sources for herbal med?
NCCAM (part of NIH)
National Standard ($, has efficacy rating system)
problems with herbal meds and most typical adverse effect?
- adverse effects
- interactions with drugs
- no controlled trials to show efficacy
- sometimes heterogeneous mixtures, may not be standardized/consistent
most typical adv effect: blood thinning
are herbal meds regulated as food or drugs?
food
at an office visit, what should i ask about?
- about supplement/tea usage
- for what concerns being used
- seeing another provider to monitor
- any changes noted since taking?
Milk Thistle: claimed uses?
protective effect on liver, lowering cholesterol, reduce insulin resistance in T2 diabetics
Glucosamine/Chondroitin: claimed uses
anti-inflammatory, anto-osteoarthritis
St John’s Wort: claimed uses
antidepressant, antianxiety
Ginger: claimed uses, conclusions of studies
Uses: anti-emetic, treatment of nausea/vomiting, motion sickiness
Study: useful for N/V w preg
Ginko: claimed uses, studies
uses: memory, concentration, alzheimer’s other dementias
some studies have shown improved cog performance in healthy adults
Tyramine: what is it, where is it found?
naturally occuring monoamine found in fermented food (ie cheese)
Tyramine: how is it metabolized? what is the drug interaction?
metabolized by MAO (monoamine oxidase).
tyramine metabolism is blocked when taking a MAO inhibitor (antidepressant)
advise patients taking MAOIs to avoid high tyramine foods
can cause MAOI hypertensive crisis
Grapefruit juice: what is the interaction?
can inhibit intestinal cytochrome P450 enzyme (CYP3A4) which metabolizes many drugs. inhibiting this cytochrome P450 enzyme can lead to increased plasma lifetimes of drugs to very different degrees.
AUC increases for various drugs from baseline when drinking grapefruit juice.
Tyramine: what is the mechanism
Indirect adrenergic, stimulates NE and dopamine release