Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/27

Click to flip

27 Cards in this Set

  • Front
  • Back
Carthartics
Antidiarrheics
What is the major drug groups called that controls intestinal elimination?
Carthartics
means to cleanse
Carthartics
laxatives or purgatives (based upon degree of action; No longer use the stronger purgatives. Major causes of constipation include: lack of diet, fiber, lack of exercise, drugs, overuse of cathartics, lack of peristalsis (many causes).
Carthartics
Therapeutic uses of which drug?

Treat or avoid constipation

Surgery or diagnostic procedures
Worm infections (used in conjunction with poison for worm)
Chemical poisoning (when chemical has gotten past the stomach)
Treat or avoid constipation

Surgery or diagnostic procedures
Worm infections (used in conjunction with poison for worm)
Chemical poisoning
What are the therapeutic uses for cathartics?
Undiagnosed abdominal pain - appendicitis, may lead to rupture; inflammatory disease of GI tract (too irritating)
GI obstruction including fecal impaction
Later stages of pregnancy
What are the contraindications of Cathartics?
contraindications of Cathartics
Undiagnosed abdominal pain - appendicitis, may lead to rupture; inflammatory disease of GI tract (too irritating)
GI obstruction including fecal impaction
Later stages of pregnancy
Irritant
Bulk-forming
Saline cathartics
Lubricants and fecal moistening agents
What are the different types of cathartics?
Irritant
cathartic

which one?

acts as stimulant to peristalsis

caster oil

These are NOT for nursing mothers.
Bulk-forming
cathartic

which one?

Metamucil
Lactulose acts both as an osmotic agent and as an irriatant.

Natural sources: fruits and vegetables

These same drugs may be used to treat diarrhea.
Saline cathartics
cathartic

which one?

Milk of magnesia

hyperonic saline that attract water to feces cauion if renal impairment

used to treat edema for securing stool speciments for worms or for some poisonings.
Lubricants and fecal moistening agents
cathartic mechanism of action

which one?

both act to keep feces soft, especially useful after hemorrhoid surgery, myocardial infarction, aneurysms, cerebrovascular disorders, etc.

oils may inhibit absorption of fat soluble nutrients (take on empty stomach).
Diarrhea
________ can cause dehydration, exhaustion, electrolyte and acid-base imbalance, etc.
Demulcents
Absorbents
Astringents
Antiinfectives
Sedatives and antipasmodics
Lactobaccillus
What are the different types of antidiarrheics?
Demulcents
help prevent irritation (limited usefullness)

What type of antidiarrheic is this?
Absorbents
What type of antidiarrheic is this?

absorb gas or irritating substance
Astringents
What type of antidiarrheic is this?

precipitate protein and cover surface of membrane - prevents further irritation, shricks tissue
antiinfective
What type of antidiarrheic is this?

if cause is microorganism (note: do NOT inhibit peristalsis if microorganism present)
Sedatives and Antispasmodics
What type of antidiarrheic is this?

opium preparations and antimuscarinic.

Imodium
Carminatives or antiflatulents
What drug group is used to treat intestinal gas?
Increase motility to help expel gas.
What is the mech. of action for carminatives?
Simethicone
_________ is an antifoaming agent.
charcoal
now trying ________ capsules for intestinal gas. Perhaps as much as one gram boefore and after meal. Caution: absorbs oral medications.
Barium sulfate
very poisonous but insoluble so is safe to use.
Organic iodine compounds
for many uses including gall stones
Iodine allergy
What is the major caution or contraindication for diagnostic agents or contrast media?
Barium sulfate
Organic iodine compounds
What are the 2 different kinds of contrast media?