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43 Cards in this Set

  • Front
  • Back
what should you avoid use of complementary and alternative medicine with?
conventional drugs
what is the origin of digitalis? what is its function?
from the foxglove leaves. It inhibits Na/K ATPase.
what is the origin of Vinca? what clinical uses do we have for vinca? how do they work?
origin: madagascar periwinkle
CU: Vinblastin and vincristine --> both are anti-mitotic spindle drugs which inhibit microtubule spindles. They act by binding to the tubulin monomers and inhibiting polymerization.
which anticancer drug derived from a plant does not cause myelosuppresion?
vincristine
what is the clinical use of taxol?
anti-cancer
what do the whole leaf extracts of ginkgo biloba carry?
maximal potency of: anti-inflammatory, antioxidant, radical scavenging, and inhibition of platelet aggregation.
what is ginkgo biloba indicated for?
alzheimers, vascular dementia, peripheral claudication and Tinnitus
what should ginkgo biloba never be used with? how many days should you wait before having surgery after discontinuing taking Ginkgo?
antiplatelet agent; 5 days
what is saw palmetto used in?
tx of sxs related to benign prostatic hyperplasia
what drug does saw palmetto have a similar efficacy to?
finasteride
what is the function of saw palmetto?
inhibition of 5 alpha reductase--> preventing the conversion of testosterone to dihydrotestosterone
what is the issue w/ saw palmetto?
gives false-negative PSA levels.
how long should you stop taking saw palmetto before starting therapeutic benefits for BPH?
4 weeks
what is the primary use of black cohosh?
menopausal sxs
in what disease should you avoid black cohosh?
breast cancer --> hepatotoxicity risk
what types of pts should avoid black cohosh due to the N/V associated w/ black cohosh?
pts w/ GERD and peptic ulcer problems.
what is St. John's wort used to tx?
mild to moderate depression, anxiety or sleep disorders
what are the two biologically active constituents of St. John's Wort?
hyperforin and hypercin
what is the biochemical fxn of st. john's wort?
inhibition of serotonin, NE and dopamine reuptake.
what affect does St. John's wort have on conventional medication?
induction of cytochrome P450 leading to an increased metabolism of all prescribed medications.
what prescribed medication does St. John's wort specifically decrease serum levels of?
oral contraceptives, simvastatin, protease inhibitors, warfarin
why shouldn't someone being txed for HIV/AIDs not take St. John's Wort?
because St. john's wort is a protease inhibit which is what HIV/AIDs pts are txed with. St. John's wort will render the medication completely useless.
St. John's wort is contraindicated with which set of drugs? why?
SSRI's because combining the two can cause SSRI syndrome which will present as a pt w/ relaxation of jaw, ankles, hyperreflexia.. etc
what is the most commonly used herbal product?
echinachea
what is the function of echinachea?
improvement of symptoms of common cold and decrease of sxs w/n 1-3 days
what type of anti-inflammatory activity does echinachea possess?
COX-1 and COX-2
what can echinachea cause?
allergic rxns, anaphylaxis, xerostomia, constipation, GERD, and exacerbation of autoimmune disorders
what affect does echinachea have on conventional medication?
it inhibits CYP 450 which cause a decreased metabolism of the conventional drug.
T/F

Echinachea + NSAID = Good to go
FALSE

Echinachea + NSAID = GI hemorrhage
what does ginseng activate/ stimulate?
monocytes and stimulation of TNF, IL-2 and gamma interferon
what is the fxn of ginseng
improvement of vitality, immunity, cognitive function and libido
what SEs can ginseng cause?
insomnia, diarrhea, vaginal bleeding, schizophrenia, prolongation of QT interval.
how does ginseng cause hypoglycemic effects?
alters Na/K channels in the islets of langerhans
what is the fxn of KAVA?
reduction in anxiety, muscle relaxation and tranquilizer
how does KAVA cause hyperpolarization and reduces excitation?
potentiation of GABA mediated inhibitory neurotransmission
how many active ingredients does KAVA have? what are the associated SEs?
5 active ingredients. Can cause serious hepatotoxicity cases, exacerbation of parkinsons, and kava dermopathy (irreversible psoriasis)
what is CI w/ kava?
alcohol and CNS depressants
what is noni used as?
inhibition of superoxide radical formation, antitumor effects, antiinflammatory, weight loss promotion
what CAM is a seashell extract? what three things does it inhibit?
glucosamine
inhibits--> proinflammatory cytokines, prostaglandin E, and phagocytosis and lysozyme release
what CAM is very closely associated w/ very severe GERD and peptic ulcer dz?
garlic
what is the fxn of garlic?
inhibition of cholesterol synthesis, reduction in BP, inhibition of platelet aggregation
what affect does garlic have on saquinavir bioavailability?
reduction
what 4 G's will displace warfarin? what does that cause?
garlic, ginger, ginseng and ginkgo

- increase the effects of warfarin.