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80 Cards in this Set

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What regulated drugs prior to the 20th century?
State and local governments
What is the Food and Drug Act of 1906?
Prohibited marketing of food and drugs that were adulterated. Didn't have anything to do with safety.
What did the Federal Food, Drug, Cosmetic Act of 1938 ensure?
Safety
What is the Durham-Humphrey Amendment of 1951?
Required prescription for certain drugs. Prior to that all were OTC.
What is the Food Additive Amendment of 1958 and Color Additive Amendment of 1960?
No pesticides, no known carcinogens
What did the Kefauver-Harris Amendment of 1962 regulate?
Effectiveness, not just safety.
What is the Dietary Supplement Health and Education Act (DSHEA) of 1994?
Act by which the FDA can prove a drug (vitamins, herbs, supps) is unsafe if its safety is in question. But does not ensure safety before marketing.
What has to be done to change a prescription drug to OTC?
New drug application has to be filed. Classifications based on safety profile, degree of benefit vs risk and pt difficulty in use
What are a few problems with the lack of regulation of herbs and supplements?
Not required to show bioequivalence, large variances between brands and lots, "standardized" means a spec concentration of a specific component, not the process or other components
What must and structure/function claims on herbs/supplements say?
"This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease"
What is an herb?
Any part of a plant used for its medicinal, flavoring, or fragrant property.
Do Rx drugs contain herbs?
25% of "modern" rx drugs have botanical origins. Ex. Digoxin comes from foxglove and morphine comes from opium
What is the difference between herbs used in Western medicine vs Chinese?
Western herbalists use "simples" which is just one herb. Chinese use many blended together.
What are teas, infusions, dococtions?
Made by steeping and soaking herb in water for a few min
What are tinctures?
Herb is soaked in alcohol, glycerine or alcohol-water combination
What are extracts?
A filtered or distilled tincture
What are tablets and capsules?
Drying the herb, powdering it, shaping it into pills
What are topicals?
Herb added to emollient
What is the rule of thumb in terms of botanical safety?
Avoid using herbs in infants, children, pregnant women, nursing mothers, pts w/ daisy allergies and pts on mltpl meds
What do people use ginseng for?
Stress reliever, aphrodisiac, athletic enhancer, energizer, appetite stimulant, immunostimulant
Of the things that people use Ginseng for, what are the possible things it is in fact effective for?
Improved cognitive function, type 2 DM, and bronchitis
Of the things that people use Ginseng for, what is it ineffective for?
Enhancing athletic performance
What populations should not use Ginseng?
Unsafe in newborns. Also unsafe to use > 3 mos because it might alter estrogen levels
What are precautions and interactions of Ginseng?
May increase BP, overuse can cause HA, insomnia, palpitations, Decreases effect of loop diuretics, Increase bleeding risk if on blood thinners, May induce mania when used w/ antidepressants, May potentiate stimulants (i.e. caffeine)
What is Ginkgo biloba used for?
Vasodilator. Used to increase periph blood flow and improve intermittent claudication (limp), Used to treat dementia, vertigo and SSRI-induced sexual dysfunction.
Of the things Ginkgo biloba is used for, what might it actually be effective for?
Treating dementia, improving cognition in norm adults, improving pain free walking distances
Of the things Ginkgo biloba is used for what is it ineffective for?
Memory enhancement, ADHD, depression
What is the major concern with Gingko biloba?
It antagonizes platelet aggregation. Can result in bleeds. Don't take with blood thinners! Can also cause GI disturbance and CNS symptoms (ex dizziness)
What is garlic used for?
Improve lipid profiles, antibacterial properties, antithrombotic, hypotensive, anti-inflammatory, anti-cancer activity
What is the active ingredient in garlic?
Allicin
What is the appropriate dosage of garlic?
200-400mg tid. Probably safe in usual dose for up to 4 years.
What is garlic actually possibly effective for?
4-12% decrease in cholesterol levels and BP
What are some precautions for taking garlic?
May increase the effects of anticoags, inhibit plt aggregation, may inhibit thyroid preparations, may reduce blood glucose.
In general, what 3 herbs/supps should be avoided for patients on blood thinners?
Supps that start with G! Ginseng, Gingko biloba, Garlic
What is Echinacea used for?
Prophylaxis and treatment of cold and flu symptoms - stimulates phagocytes, immune system stimulation
How long is Echinacea safe for?
Likely safe when used short term. Up to 12 weeks.
What is Echinacea actually possibly effective for?
Decreasing symptoms of cold and flu
What is Echinacea likely ineffective for?
Preventing URIs if taken year round. If taken every day, immune system already stimulated...won't be any more stimulated when coming down with the flu.
What is the appropriate dose of Echinacea?
250-500 mg/day
What is St. John's Wort (Hypericum) used for?
Depression, anxiety, antiviral agent.

# 1 antidepressant in Germany
How does St. John's Wort (Hypericum) work?
Major action is the inhibition of serotonin, norepi and dopamine reuptake and down regulation of receptors
What is the dosage for St John's Wort?
daily 900 mg standardized to 0.3% hypericin.
Doses up to 1800 mg tolerated in sever depression
What is St John's Wort possibly ineffective for?
Antiviral agents - interfere w/ HIV agents and other immunosuppressants
What are 4 contraindications for St Johns Wort?
Sever depression, suicidal tendencies, severe agitation, hypersensitivity, pregnancy
What is one major precaution for using St Johns Wort?
Can cause severe photosensitivity
What are possible drug interactions associated w/ st johns wort?
MAO hibitors - hypersensitivity crisis, SSRIs - serotonin syndrome, transplant drugs
What is Saw Palmetto used for?
Male genitourinary problems (BPH), prostate cancer
What is Saw Palmetto actually effective for?
BPH symptoms, possibly effective for adjunctive therapy for prostate cancer.
Likely safe up to 1 year.
Can decrease the size of the prostate.
What are precautions and interactions of Saw Palmetto?
Due to anti-testosterone action, do not use in pregnancy or children, can cause stomach upset.
What is the usual dosing for Saw Palmetto?
Lipophilic extract 320 mg daily or whole berries 1-2 gm daily
What are cranberries used for?
Treatment and prophylaxis of UTI
How does cranberry work?
Acidifies urine, decreases bacterial adhesion to bladder wall
Likely effective as preventative agent
What is the usual dosage of cranberry?
360-960 ml daily
What is an adverse effect of overuse of cranberry?
Diarrhea
What is Valerian used for?
Valeriana officinalis root extract used to promote sleep
How does Valerian work?
Increases levels of GABA (neurotransmitter) in the CNS
What is the usual dosage of Valerian?
400-900 mg extract 2 hour prior to bed
What are some adverse effects of Valerian?
May potentiate CNS depressants (alcohol, alprazolam). Unsafe for long term use.
What was Ma Huang or Ephedra used for?
Bronchial asthma, weight loss, athletic performance enhancer.
What are some safety issues with Ma Huang or Ephedra?
Likely save < 5 days (<24 mg/day), but likely unsafe longer. Associated w/ MI, stroke, seizures and death.
FDA has withdrawn from the market.
What was the appropriate dosage for Ma Huang or Ephedra?
15-20 mg taken up to QID
Why did Ephedra causes problems that made it so unsafe?
Syngergistic effect w/ caffeine, decongestants, stimulants.
Pro arrhythmic effects w/ anesthesia and digoxin.
MAO inhibitors potentiate stimulation effects.
Can increase agitation assoc w/ SSRIs
Overdose can be fatal
What are some of the Ephedra substitutes? (just as bad as Ephedra)
Weight loss products (Hydroxycut, TrimSpa), Guarana - contains caffeine and theophylline like compound - highly arrhythmagenic, green tea extract - contains caffeine and diuretic, Citrus aurantium
What is Kava Kava used for?
Anxiety, stress and agitation, insomnia
How does Kava Kava work?
Has central muscle relaxing, anticonvulsive, hypnotic/sedative effects by interaction w/ ion channels and GABA sites
What is a possible long term effect of Kava Kava?
Liver failure, some reports of coma
What are two Kava Kava interactions?
Syngergistic w/ alcohol. Increases toxicity.
Potentiates CNS depressants
What is Glucosamine used for?
Osteoarthritis
What is the usual dosage for Glucosamine?
1500 mg/day
What is glucosamine likely effective for?
osteoarthritis symptoms after 4 weeks, comparable to NSAIDs, may prevent further deterioration.
What is glucosamine commonly combined with?
Chondritin products
What is Coenzyme Q10?
A naturally occurring, intrinsic, vitamin-like compound found in the nucleus and mitochondria of cells. It is a cofactor in many reactions as an antioxidant.
What is Coenzyme Q10 used for?
CHF, myopathy (statin induced), mitochondrial disease
What is Coenzyme Q10 actually possibly effective for?
Mitochondrial encephalomyopathies, possibly effective for CHF especially in combo w/ usual therapy
What is the usual dosage for Coenzyme Q10?
100-200 mg/day
What does Omega 3 Fatty Acids come from?
Fish oils (EPA) and (DHA)
What is Omega 3 Fatty Acids used for?
Hyperlipidemia, CAD, arthritis, weight loss
What is the usual dosage of Omega 3 fatty acids?
1-4 g/day
What are possible drug interactions w/ omega 3 fatty acids?
Blood thinners - increases bleeding risk
What is the HERBAL mnemonic?
H.ear the patient out w/ respect.
E.ducate the patient.
R.ecord and document.
B.eware.
A.gree to discuss.
L.earn about new and popular supplements.