Chapter 38/39 Pharm

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Questions and Answers

What should patients taking Beta-Lactam antibiotics avoid consuming?

  • Red meat, eggs, and poultry
  • Leafy greens, nuts, and seafood
  • Dairy, grapefruit juice, and alcohol (correct)
  • Whole grains, fruits, and vegetables

What is a common adverse effect associated with Tetracyclines in children, infants, and fetuses?

  • Skin rash
  • Weight gain
  • Tooth discoloration (correct)
  • Hair loss

Which antibiotic is commonly given before surgery to clean out the gastrointestinal tract?

  • Neomycin (correct)
  • Gentamicin
  • Tobramycin
  • Amikacin

What is the most common Aminoglycoside antibiotic?

<p>Gentamicin (C)</p> Signup and view all the answers

Which antibiotic is used to treat MRSA and Clostridioides Difficile (C-Diff)?

<p>Vancomycin (B)</p> Signup and view all the answers

What labs are checked to monitor kidney function in patients taking antibiotics?

<p>Creatinine level (D)</p> Signup and view all the answers

Which adverse effect is associated with Sulfonamides in the blood?

<p>Hemolytic anemia (D)</p> Signup and view all the answers

What is a common adverse effect of Sulfonamides in the integumentary system?

<p>Steven-Johnson Syndrome (D)</p> Signup and view all the answers

Which group includes Beta-Lactam antibiotics?

<p>Penicillin, cephalosporins, carbapenems, monobactams (A)</p> Signup and view all the answers

Why should patients with a history of throat swelling or hives from penicillin avoid cephalosporins?

<p>Penicillin and cephalosporin have similar chemical structures. (D)</p> Signup and view all the answers

Why do patients taking Beta-Lactam antibiotics need to use an alternative form of birth control?

<p>Because Beta-Lactam antibiotics interfere with oral contraceptives (B)</p> Signup and view all the answers

What is the rationale behind advising patients taking Beta-Lactam antibiotics to avoid Warfarin, NSAIDs, and Antacids?

<p>To prevent drug-drug interactions that may affect treatment outcomes (B)</p> Signup and view all the answers

What is a potential adverse effect of Aminoglycoside antibiotics?

<p>Nephrotoxicity/Ototoxicity (B)</p> Signup and view all the answers

Which Macrolide antibiotic is used to treat Clostridioides Difficile (C-Diff)?

<p>Fidaxomicin/Dificid (C)</p> Signup and view all the answers

What is a black box warning associated with Quinolone antibiotics?

<p>Tendonitis (C)</p> Signup and view all the answers

When should Tetracyclines not be given?

<p>To pregnant or breastfeeding women, or children under age 8 (B)</p> Signup and view all the answers

What is a noted adverse effect of Erythromycin/E-Mycin based on the text?

<p>Ototoxicity (B)</p> Signup and view all the answers

What is a possible complication leading to risk of Beta-Lactam antibiotic allergic reactions, as indicated in the text?

<p>Generic and Brand name confusion (A)</p> Signup and view all the answers

Which antibiotic class mentioned in the text is associated with adverse effects of Clostridioides Difficile (C-Diff) infection?

<p>Tetracyclines (A)</p> Signup and view all the answers

What is the purpose of running peak and trough labs for patients taking antibiotics?

<p>To prevent toxicity by monitoring drug levels (D)</p> Signup and view all the answers

Which antibiotic is primarily used to treat gynecological infections and Clostridioides Difficile (C-Diff)?

<p>Metronidazole/Flagyl (A)</p> Signup and view all the answers

Why should Quinolones never be given with oral anticoagulants?

<p>To avoid potential drug interactions leading to bleeding risks (B)</p> Signup and view all the answers

How many generations do Cephalosporins have?

<p>5 (D)</p> Signup and view all the answers

Which antibiotic is commonly used to treat non-complicated urinary tract infections?

<p>Nitrofurantoin (B)</p> Signup and view all the answers

What is a potential adverse effect of Vancomycin?

<p>Red-Man Syndrome (A)</p> Signup and view all the answers

When asking patients about known drug allergies, what specific information is important to inquire about?

<p>The type of reaction they had (C)</p> Signup and view all the answers

Which antibiotic class is typically associated with big gun infections such as sepsis?

<p>Carbapenems (A)</p> Signup and view all the answers

What is a common adverse effect associated with Sulfonamides in the body?

<p>Convulsions (C)</p> Signup and view all the answers

Which blood test is typically used to check liver function?

<p>AST/ALT (B)</p> Signup and view all the answers

When should patients be advised to drink plenty of water while taking antibiotics?

<p>To prevent kidney damage (A)</p> Signup and view all the answers

What medication is used to treat complicated UTIs?

<p>Ciprofloxacin (B)</p> Signup and view all the answers

What is usually the first symptom of an allergic reaction to antibiotics mentioned in the text?

<p>Redness or rash to the face and trunk (C)</p> Signup and view all the answers

In what situations are Macrolide antibiotics indicated according to the information provided?

<p>Strep, respiratory infections, syphilis, and STDs (B)</p> Signup and view all the answers

Which antibiotic is specifically mentioned for the treatment of osteomyelitis in the text?

<p>Clindamycin (D)</p> Signup and view all the answers

infection following a previous infection especially when caused by microorganisms that are resistant to or have become resistant to the antibiotics used earlier.

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

An example of superinfection is

<p>Clostridioides Difficile (C-Diff). (C)</p> Signup and view all the answers

The labs BUN/GFR check your ______ .

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

Match

<p>urticaria = Hives angioedema = facial swelling pruritus = itchy skin Hepato = Liver</p> Signup and view all the answers

____ are often combined with another antibiotic.

<p>Sulfonamides (B)</p> Signup and view all the answers

Carbapenems end in ______

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

Macrolides end in ______ and spell FACE.

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

Macrolides end in CIN and spell ______

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

Tetracyclines end in ______

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

Quinolones end in _____

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

Aminoglycosides end in CIN and spell ______

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

Aminoglycosides end in ______ and spell TANG.

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

Antibiotic therapy tailored to treat organism identified with cultures.

<p>Definitive therapy (B)</p> Signup and view all the answers

Treatment of an infection before specific culture information has been reported or obtained.

<p>Empiric Therapy (A)</p> Signup and view all the answers

Treatment with antibiotics to prevent an infection (as in intraabdominal surgery or after trauma)

<p>Prophylactic Therapy (C)</p> Signup and view all the answers

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Study Notes

Antibiotic Consumption and Precautions

  • Patients taking Beta-Lactam antibiotics should avoid consuming alcohol and products containing magnesium or aluminum, such as antacids.
  • Individuals with a history of throat swelling or hives from penicillin should avoid cephalosporins due to potential cross-reactivity.
  • Beta-Lactam antibiotics may reduce the effectiveness of hormonal contraceptives, necessitating alternative birth control methods.

Common Adverse Effects

  • Tetracyclines can cause teeth discoloration in children, infants, and fetuses.
  • Common adverse effects of Sulfonamides include blood dyscrasias, such as agranulocytosis.
  • Integumentary system reactions from Sulfonamides may feature skin rashes or photosensitivity.
  • Erythromycin (E-Mycin) may lead to gastrointestinal disturbances.

Antibiotic Classes and Uses

  • Beta-Lactam antibiotics include penicillins, cephalosporins, carbapenems, and monobactams.
  • Aminoglycosides, the most common being Gentamicin, are primarily used for severe bacterial infections.
  • Preoperative antibiotic commonly administered to cleanse the gastrointestinal tract is Neomycin.
  • Antibiotics for MRSA include Vancomycin, while Clostridioides Difficile is often treated with Metronidazole or Vancomycin.
  • Macrolides, specifically Clindamycin, are used to treat Clostridioides Difficile infections.

Testing and Monitoring

  • Kidney function in antibiotic patients is monitored through BUN (Blood Urea Nitrogen) and creatinine levels.
  • Peak and trough labs are conducted for dosing adjustments to avoid toxicity.
  • Liver function is typically assessed using a liver panel or ALT/AST tests.

Adverse Effects of Specific Antibiotics

  • Potential adverse effects of Aminoglycoside antibiotics include nephrotoxicity and ototoxicity.
  • Quinolones carry a black box warning regarding the risk of tendinitis or tendon rupture.
  • Vancomycin can lead to "red man syndrome" if infused too rapidly.

Additional Information on Antibiotics

  • Tetracyclines should not be administered to anyone under 8 years old due to dental issues.
  • The class of antibiotics associated with Clostridioides Difficile infection nuisance is mainly the clindamycin and fluoroquinolone classes.
  • Antibiotic therapy may either be tailored based on culture results or initiated empirically before results are available, known as prophylactic treatment.

Generations and Forms

  • Cephalosporins have five generations, each with increasing antimicrobial activity against Gram-negative bacteria.
  • Commonly used antibiotics for uncomplicated urinary tract infections include Nitrofurantoin.
  • Complicated urinary tract infections are treated with medications like Ciprofloxacin or Ampicillin.

Drug Interactions and Safety

  • Quinolones should not be given with oral anticoagulants due to increased bleeding risk.
  • While on antibiotics, patients should drink plenty of water to prevent nephrotoxicity.

Allergic Reactions

  • The first symptom of an allergic reaction to antibiotics for inquiry is typically itching or a rash.
  • Specific inquiries about drug allergies should include previous reactions to antibiotics like penicillin or cephalosporins.

Terminology and Drug Categories

  • Carbapenems and other broad-spectrum antibiotic classes are often reserved for severe infections like sepsis.
  • Antibiotic names inform about their class through suffixes:
    • Carbapenems end in -penem
    • Macrolides end in -thromycin
    • Tetracyclines end in -cycline
    • Quinolones end in -floxacin
    • Aminoglycosides often end in -mycin or -micin

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