59: Intro to Herbal Medication Flashcards
echinacea –>
reducing incidence and severity of the common cold and inflammation
garlic –>
hypertension
ginkgo –>
cognitive decline
saw palmetto –>
benign prostatic hypertrophy
st. john’s wort –>
depression
MOA echinacea in vitro and animal models
immune modulation
(increase cytokine production)
antiinflammatory (inhibits cycloxygenases)
increases numbers of immunological blood cells
warnings echinacea
- immune modulatory actions : don’t take with immune deficienceies
- allergic reation
active components in ginkgo biloba
flavone glycosides and terpenoids
controversial results of studies measuring treatment effects
adverese effects ginkgo biloba
nausea, headache, diarrhea, anxiety, and insomnia
bleeding- may have antiplatelet actions
active component in garlic
allicin
gives odor, cooked out and not present in dried, aged
primary uses of garlic
atherosclerosis
high cholesterol
hypertension
human studies suggest that garlic…
enhances fibrinolytic activity and has antioxidant effects (accounting for reported garlic-induced decrease in plaque accumulation in arteries in patient with advanced coronary artery disease)
data from three clinical trials suggest garlic can reduce…
systolic and diastolic pressure in patient with high blood pressure
**potentially by inhibition of ACE, increasing NO bioavailability, increase H2S production
adverse effects and garlic
increased bleeding
discontinue 7 day p surgery
nausea, hypotension and allergy
induces p-glycoprtn drug transporter expression in intestine (reduces bioavailability saquinavir for HIVAIDs)
primary use of ginseng
support overall health and boost immune system, improve sense of well-being, boost stamina, mental and physical performance
does ginseng reduce cancer fatigue?
according to a clinical trial- yes
adverse effects ginseng
CNS stimualtion and hypertension at high doese
irritability, sleeplessness, and manic behavior in patients also taking antipsychotic drugs
dont use with immune modulating drugs
antiplatelet activity
glucose lowering effect
primary intended use milk thistle
liver diseases
clinical use st. john’s wort
antidepressant
active ingredients of st. johns wort
hypericin and hyperforin
thought to inhibit reuptake of serotonin, dopamine, and norepinephrine at n. terminals in vitro
is st. john’s wort effective?
yes as effective as standard antidepressants with less side effects
adverse effects st. johns wort
photosensitization
hypomania and mania
don’t use with other similar acting drugs
can induce hepatic CYP enzymes
withdrawal symptoms similar to other antidepressants
active agents saw palmetto
sterols and fatty acids
MOA - inhibit 5a reductase induced conversion of testosterone into dihydrotestosterone in vitro
blocks DHT from binding to androgen receptors in vitro
ADVERSE EFFECTS ** seizures --> bleeding --> reproduction --> immune modulating --> drug metabolism -->
- ginkgo biloba
- ginkgo biolga, garlic, glucosamine/chondroitin
- melatonin
- echinacea, ginseng
- st. johns wort