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43 Cards in this Set
- Front
- Back
what should you avoid use of complementary and alternative medicine with?
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conventional drugs
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what is the origin of digitalis? what is its function?
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from the foxglove leaves. It inhibits Na/K ATPase.
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what is the origin of Vinca? what clinical uses do we have for vinca? how do they work?
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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. |
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which anticancer drug derived from a plant does not cause myelosuppresion?
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vincristine
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what is the clinical use of taxol?
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anti-cancer
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what do the whole leaf extracts of ginkgo biloba carry?
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maximal potency of: anti-inflammatory, antioxidant, radical scavenging, and inhibition of platelet aggregation.
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what is ginkgo biloba indicated for?
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alzheimers, vascular dementia, peripheral claudication and Tinnitus
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what should ginkgo biloba never be used with? how many days should you wait before having surgery after discontinuing taking Ginkgo?
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antiplatelet agent; 5 days
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what is saw palmetto used in?
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tx of sxs related to benign prostatic hyperplasia
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what drug does saw palmetto have a similar efficacy to?
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finasteride
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what is the function of saw palmetto?
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inhibition of 5 alpha reductase--> preventing the conversion of testosterone to dihydrotestosterone
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what is the issue w/ saw palmetto?
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gives false-negative PSA levels.
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how long should you stop taking saw palmetto before starting therapeutic benefits for BPH?
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4 weeks
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what is the primary use of black cohosh?
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menopausal sxs
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in what disease should you avoid black cohosh?
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breast cancer --> hepatotoxicity risk
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what types of pts should avoid black cohosh due to the N/V associated w/ black cohosh?
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pts w/ GERD and peptic ulcer problems.
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what is St. John's wort used to tx?
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mild to moderate depression, anxiety or sleep disorders
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what are the two biologically active constituents of St. John's Wort?
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hyperforin and hypercin
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what is the biochemical fxn of st. john's wort?
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inhibition of serotonin, NE and dopamine reuptake.
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what affect does St. John's wort have on conventional medication?
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induction of cytochrome P450 leading to an increased metabolism of all prescribed medications.
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what prescribed medication does St. John's wort specifically decrease serum levels of?
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oral contraceptives, simvastatin, protease inhibitors, warfarin
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why shouldn't someone being txed for HIV/AIDs not take St. John's Wort?
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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.
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St. John's wort is contraindicated with which set of drugs? why?
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SSRI's because combining the two can cause SSRI syndrome which will present as a pt w/ relaxation of jaw, ankles, hyperreflexia.. etc
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what is the most commonly used herbal product?
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echinachea
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what is the function of echinachea?
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improvement of symptoms of common cold and decrease of sxs w/n 1-3 days
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what type of anti-inflammatory activity does echinachea possess?
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COX-1 and COX-2
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what can echinachea cause?
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allergic rxns, anaphylaxis, xerostomia, constipation, GERD, and exacerbation of autoimmune disorders
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what affect does echinachea have on conventional medication?
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it inhibits CYP 450 which cause a decreased metabolism of the conventional drug.
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T/F
Echinachea + NSAID = Good to go |
FALSE
Echinachea + NSAID = GI hemorrhage |
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what does ginseng activate/ stimulate?
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monocytes and stimulation of TNF, IL-2 and gamma interferon
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what is the fxn of ginseng
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improvement of vitality, immunity, cognitive function and libido
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what SEs can ginseng cause?
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insomnia, diarrhea, vaginal bleeding, schizophrenia, prolongation of QT interval.
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how does ginseng cause hypoglycemic effects?
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alters Na/K channels in the islets of langerhans
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what is the fxn of KAVA?
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reduction in anxiety, muscle relaxation and tranquilizer
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how does KAVA cause hyperpolarization and reduces excitation?
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potentiation of GABA mediated inhibitory neurotransmission
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how many active ingredients does KAVA have? what are the associated SEs?
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5 active ingredients. Can cause serious hepatotoxicity cases, exacerbation of parkinsons, and kava dermopathy (irreversible psoriasis)
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what is CI w/ kava?
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alcohol and CNS depressants
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what is noni used as?
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inhibition of superoxide radical formation, antitumor effects, antiinflammatory, weight loss promotion
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what CAM is a seashell extract? what three things does it inhibit?
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glucosamine
inhibits--> proinflammatory cytokines, prostaglandin E, and phagocytosis and lysozyme release |
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what CAM is very closely associated w/ very severe GERD and peptic ulcer dz?
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garlic
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what is the fxn of garlic?
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inhibition of cholesterol synthesis, reduction in BP, inhibition of platelet aggregation
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what affect does garlic have on saquinavir bioavailability?
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reduction
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what 4 G's will displace warfarin? what does that cause?
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garlic, ginger, ginseng and ginkgo
- increase the effects of warfarin. |