Pharmacology Final: Probiotics and Opioids
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Questions and Answers

What are probiotics?

Antidiarrheals

What are probiotics also known as? (Select all that apply)

  • Bacterial replacement drugs (correct)
  • Antidiarrheals
  • Antibiotics
  • Intestinal flora modifiers (correct)
  • How do bacterial cultures of lactobacillus organisms work? (Select all that apply)

  • Supplying the missing bacteria to the GI tract (correct)
  • Increasing stomach acid
  • Promoting gastric emptying
  • Suppressing the growth of diarrhea-causing bacteria (correct)
  • Lactobacillus organisms are not recommended for which patients?

    <p>Immunocompromised or if the GI tract is badly damaged</p> Signup and view all the answers

    Give examples of probiotics.

    <p>Lactobacillus acidophilus (Bacid), Yogurt, Buttermilk</p> Signup and view all the answers

    What are opioid analgesics used for? (Select all that apply)

    <p>Cough center suppression</p> Signup and view all the answers

    Situations where you should not use opioid analgesics include: (Select all that apply)

    <p>Pregnancy</p> Signup and view all the answers

    Name one opioid agonist drug.

    <p>Morphine sulfate</p> Signup and view all the answers

    What is unique about the fentanyl transdermal patch?

    <p>Very potent; Schedule 2 drug; High abuse potential.</p> Signup and view all the answers

    Hydromorphone (Dilaudid) is less potent than morphine sulfate.

    <p>False</p> Signup and view all the answers

    Codeine sulfate is primarily used as a ________ ________ and it has a _________ _________.

    <p>cough suppressant; ceiling effect</p> Signup and view all the answers

    What is the purpose of opioid agonist-antagonist drugs?

    <p>Lowers risk for misuse and addiction.</p> Signup and view all the answers

    Name one opioid antagonist drug.

    <p>Naloxone (Narcan)</p> Signup and view all the answers

    What should be administered in case of an opioid overdose?

    <p>Naloxone (Narcan)</p> Signup and view all the answers

    What are the effects of naloxone (Narcan)?

    <p>Complete or partial reversal of opioid-induced respiratory depression.</p> Signup and view all the answers

    What effects does acetaminophen (Tylenol) have? (Select all that apply)

    <p>Analgesic</p> Signup and view all the answers

    What is the recommended dosage of Tylenol for the FDA?

    <p>4000 mg</p> Signup and view all the answers

    What do you use in case of an overdose with acetaminophen?

    <p>Use Acetylcysteine regimen.</p> Signup and view all the answers

    What is the Lidoderm transdermal patch used for?

    <p>Treatment for some neuropathic pain conditions.</p> Signup and view all the answers

    Study Notes

    Probiotics

    • Probiotics function as antidiarrheals by maintaining intestinal health.
    • Also referred to as intestinal flora modifiers and bacterial replacement drugs.
    • Lactobacillus cultures help restore absent bacteria and inhibit harmful bacteria in the GI tract.
    • Not recommended for immunocompromised patients or those with severely damaged GI tracts.
    • Examples include Lactobacillus acidophilus (Bacid), yogurt, and buttermilk.

    Opioid Analgesics

    • Used to alleviate moderate to severe pain, suppress cough, treat diarrhea, and for balanced anesthesia.
    • Contraindications include drug allergies, severe asthma, respiratory insufficiency, elevated intracranial pressure, morbid obesity, sleep apnea, paralytic ileus, pregnancy, and myasthenia gravis.

    Opioid Agonists

    • Key drugs include Morphine Sulfate, Hydromorphone (Dilaudid), Fentanyl Transdermal Patch, Methadone Hydrochloride, Hydrocodone, and Codeine Sulfate.
    • Fentanyl is very potent, classified as a Schedule II drug, recommended for chronic pain in opioid-tolerant patients, and should not be used for acute pain.
    • Hydromorphone is seven times more potent than morphine.
    • Codeine is primarily utilized as a cough suppressant and exhibits a ceiling effect on its analgesic properties.

    Opioid Agonist-Antagonist

    • Designed to reduce misuse and addiction risks; typically for short-term pain management.
    • Can induce withdrawal symptoms in individuals dependent on opioids.
    • Not suitable for long-term chronic pain treatment.
    • Notable drugs include Buprenorphine (Bupranex), Butorphanol (Stadol), Nalbuphine (Nubain), and Pentazocine (Talwin).

    Opioid Antagonists

    • Include Naloxone (Narcan) and Naltrexone (Revia), used to counteract opioid overdose.
    • Naloxone rapidly reverses opioid-induced respiratory depression and requires monitoring of consciousness and respirations post-administration.

    Adverse Effects of Naloxone

    • Potential withdrawal symptoms: anxiety, irritability, hot flashes, joint pain, nausea, vomiting, cramps, diarrhea, and confusion.
    • Important to prioritize the administration of Naloxone in cases of severe respiratory depression despite withdrawal symptoms.

    Non-Opioid Analgesics

    • Acetaminophen (Tylenol) has antipyretic and analgesic effects but lacks anti-inflammatory properties.
    • Mechanism of Action: Inhibits prostaglandin synthesis to block pain impulses and reduces fever through hypothalamic action.
    • Safe indications include mild to moderate pain, fever, and is a safer alternative for those who cannot take aspirin.
    • Contraindicated in patients with liver dysfunction or allergies; interacts with alcohol, causing hepatotoxicity.
    • Recommended dosages vary: FDA recommends 4000 mg, manufacturer suggests 3000 mg, while elderly, liver disease, and alcoholics should limit intake to 2000 mg.
    • For acetaminophen overdose, administer the Acetylcysteine regimen promptly, mixed with cola to mask its odor.

    Lidoderm Transdermal Patch

    • Used for neuropathic pain relief, particularly pain due to shingles.
    • Can be administered alone or in conjunction with antidepressants, opioids, or anticonvulsants.
    • Provides pain relief lasting 4-12 hours; maximum use of 12 hours per day to avoid systemic effects.

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    Test your knowledge on probiotics and their effects, including their role as antidiarrheals and bacterial modifiers. This flashcard quiz covers essential pharmacological concepts related to both opioids and non-opioids. Perfect for final exam preparation!

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