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Herbals Midterm
midterm
40
Medical
Professional
01/30/2009

Additional Medical Flashcards

 


 

Cards

Term
Name several possible herb-drug interactions
Definition

1) increasing the effect of anti-diabetic drugs and dropping blood sugar

2) increasing or decreasing effects of anticoagulants leading to bleeding or harmful clots

3) decreasing effect of anti-infective agent letting infections get out of control

4) decreasing effect of blood pressure meds leading to high blood pressure and stroke

Term

What chemicals found in plants are anti-oxidants with estrogenic actions?

Name an example of toxicity.

Definition

flavones or flavonoids

 

Flavonoids can block uptake of ascorbic acid into cell

Term
What chemical is a local irritant? they may be volatile as well as having pharmacologic actions
Definition

Terpenes

 

They cause GI sxs, aspiration, and pulmonary tox.

Term
This oil may be concentrated in the lungs, resulting in chemical pneumonitis
Definition
pine oil
Term
These drugs have high allergic potential (and coincidently enough, most of them are terpenes)
Definition
chamomile, agnus castus, cassia, cinnamon, feverfew, black tea
Term

What can cause hepatotox and liver cancer?

Definition
pennyroyal, germander, chaparral, comfrey
Term
what can cause kidney cancer?
Definition
aristolochic acid
Term
Name 3 drugs that have shown carcinogenicity in experimental studies
Definition
aloe, cascara, rhubarb
Term

Captain Hook's herbal packaging plant does not always have the best packaging methods. What are some contaminants that may have gotten into the products?

Definition

- unintended toxic compounds

- heavy metals and/or arsenic

- bacterial and aflatoxin contamination (potent carcinogen)

- toxic plant material like belladonna

Term
Aflatoxin is produced by what?
Definition

A fungus.

 

the aflatoxin is metabolized by P450 in the liver to a toxic metabolite that can cause cancer

Term
Cruella DeVille recently acquired a job at an herbal packaging plant. She has secretly been adding adulterants to products. What are examples of drugs that she could have adulterated?
Definition
mefenamic acid, corticosteroids, diuretics, phenylbutazone, benzodiazepines, muscle relaxants and caffeine
Term
The 3 stages of drug action are:
Definition

1) pharmaceutical sate

2) pharmacokinetic stage

3) pharmacodynamic stage

Term
describe the pharmaceutical stage
Definition
dissolution or distentegration of drug (something Ahsan taught us about!)
Term
describe the pharmacokinetic stage
Definition

ADME of drug

(boooo PK!!!)

Term
describe the pharmacodynamic stage
Definition

the body's physiologic response toa drug or combo of drugs

 

pharmacoDYnamics is what the Drug does to You

Term
What are a few drugs that inhibit 3A4?
Definition

ketoconazole,

dillapiol (in dill and pepper),

hypericin (St. John's wort),

Naringenin (grapefruit and wild cherry),

Parthenolide (feverfew),

berberine (goldenseal),

dihydrokaempferol (wild cherry)

 

Term
What are the essential nutrients?
Definition

Ca, Zn, Se, folate, C, E

 

(not sure if the C and E are supposed to vitamins or what he means by that)

Term
what are the non-essential nutrients?
Definition

1) phytochemicals (carotenoids, flavonoids, indoles, isothiocyanates, allyl sulfur)

2) zoochemicals (conjugated linoleic acid, N-3 fatty acids)

3) fungochemicals (in mushrooms)

4) bacteriochemical- formed f/ food fermentations and those resulting f/ intestinal flora

Term
Bacterial-formed Equol may account for ...
Definition
anticancer properties from soy in Asian-Americans
Term
If a person has high fruit and veg intake, plus the myeloperoxidase enzyme they may ...
Definition
be at less risk for breast cancer
Term
St. John's wort is a potent ------ of CYP3A4, which is mediated by activating the orphan pregnane X receptor; It also contains ingredients that ------ 1A2, 2C9, 2C19, 2D6 and 3A4
Definition

inducer of 3A4 ; means the drugs metabolized by 3A4 will not be as effective or have reduced levels (ex: warfarin, cyclosporin, digoxin, oral contraceptives, protease inhibs)

 

it is also an inhibitor of those other P450 enzymes (1A2 etc)

 

I know what you are thinking. Sriv just contradicted himself b/c earlier he said St. John's wort was an inhibitor of 3A4. But it is definitely an inducer!

Term
St John's wort reduced AUC of the HIV-1 protease inhibitor indinavir
Definition
a reduction in indinavir exposure in this magnitude could lead to the development of drug resis and treatment failure
Term
herbs that interact with anticoag/antiplatelet actions
Definition
cinchona bark, clove oil, ginko (increased bleeding risk), garlic (increased bleeding risk), ginger, ginseng, fevefew
Term

herbs that interact with CNS stimulants

Definition
guarana, kola, ma huang (ephedrine), St John's wort, yohimbe (for impotence)
Term
herbs that interact with CNS depressants
Definition
hawthorne, kava kava, skullcap, valerian
Term
herbs that interact with antidepressants
Definition
ginseng, ma huang, passion flower, St. John's Wort, yohimbe
Term
herbs that interact in diabetes
Definition
garlic, ginger, ginseng, hawthorn, ma huang
Term
herbs that interact with HTN
Definition
devil's claw, ginseng, goldenseal, hawthorn, licorice, ma huang, squill, yohimbe
Term
what is kava kava used for
Definition
decrease nervousness, anxiety or restlessness; muscle relaxant and anti-cancer
Term
Sebastian the crab is wanting to take kava kava because he has been increasingly nervous lately about composing new songs for the Under the Sea orchestra. His muscles ache too. His current meds include Keppra (for seizures), Tylenol and Bisacodyl. He also drinks 2 beers a day. What problems may the kava kava cause?
Definition

may increase the effects of Keppra, may enhance the effects of alcohol

Term
Flounder the fish is embarassed because he has recently been suffering from urinary incontinence. His joints also hurt from all that swimming he has to do. What herbal medicine should he take? What side effects should he look out for?
Definition

cayenne pepper

 

overuse may cause skin ulceration and blistering. may cause hypothermia. possible ulcer

Term

I am a gooey sick tasting piece of candy. And I can treat stomach ulcers. Sometimes I might cause high blood pressure, swelling or electrolyte though.

 

What am I?

Definition
licorice
Term

Jennifer Dunkle might need this medicine because she has had trouble sleeping. Her muscles are probably needing some relaxation too. What should she take?

Will it interact with any of her meds?

Definition

Valerian!!

 

this may increase the effects of certain anti-seizure meds; may prolong the effects of certain anesthetic agents

Term
The perfect drug for BPH and inflammation of the urinary tract.
Definition

Saw Palmetto

 

may interfere with other hormone therapies

Term
It's Saturday night and you have been dancing up a fever! You need something to help your migraine headaches, arthritis (from all that dancing), rheumatic disease and allergies (seriously, you have a lot of different problems). What do you take?
Definition

Feverfew

 

may increase bleeding in pts taking anti-clotting meds

Term
It's winter time and you don't want to get sick. You want a med that will help you fight the cold and the flu, and it might be nice if this med helped in wound healing too. What is this med?
Definition

Echinacea

 

may cause inflammation of the liver if used with anabolic steroids, methotrexate, etc

Term

This med is used for lowering blood cholesterol, TG levels and blood pressure. It may have anti-cancer properties too.

(Or you may need to ward off some vampires)

Definition

Garlic

 

May increase bleeding in pts taking anti-clotting meds

Term

Picture this: a certain sea creature is constipated and needs a mild laxative. It also needs something to reduce inflammation.

Definition

Goldenseal

 

may increase high blood pressure

Term
I am a drug used to increase physical stamina and mental concentration. (maybe pharmacy students need to take this?)
Definition

Ginseng

 

may decrease effectiveness of anti-clotting meds; may increase b.p.; may cause bleeding in women after menopause

Term
Herbals of unknown recommendation should not be recommended for
Definition

pregnant pts, pts breast feeding, anyone taking meds (due to potential interactions)

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