T1: ANTIBACTERIAL DRUGS CONTINUATION Flashcards

1
Q

First discovered in seawater-fungus called cephalosporium acremonium

A

CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Are bacteriocidal and act by attaching to penicillin binding proteins to inhibit bacterial cell wall synthesis

A

CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Have a beta lactam ring that is mostly responsible for their antimicrobial activity

A

CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The primary therapeutic use as a class is for gram negative infection and the clients who cant tolerate the less expensive penicillin

A

CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Effective against gram positive and gram negative bacteria and resistant to beta lactamase (an enzyme that acts against the beta lactam structure of penicillin)

A

CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Cause bacteria cell lysis and bacterial cell dies

A

CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Therapeutic Indication
1. respiratory tract (strep pneumonia)
2. otitis media and
3. skin infection

A

1ST GENERATION CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. Cephalexin (Keflex)
  2. Cefazolin sodium ( Ancef, kefzol)
  3. Cefadroxil (duricef)
  4. Cephapirin(cefadyl)
A

1ST GEN CEPHALOSPORINS DRUG EXAMPLES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

More potent, more resistant to beta lactamase, and exhibit a broader spectrum against gram negative organisms (Haemophilus influenza, Neisseria gonorrhea, Neisseria meningitidis and several anaerobic organisms) than the first generation drugs.

A

2ND GENERATION CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Less effective against gram positive bacteria

A

2ND GENERATION CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. Cefaclor ( ceclor),
  2. Cefuroxime (ceftin, kefurox, zinacef)
  3. Cefmetazole(Zefazone).
A

2ND GEN CEPHALOSPORINS DRUG EXAMPLES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Have a longer duration of action than 2nd generation agents

A

3RD GENERATION CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Broader spectrum against gram negative organisms, and are resistant to beta lactamase

A

3RD GENERATION CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Sometimes the drug of choice against infection by pseudomonas, klebsiella, neisseria, proteus, and haemophilus influenza

Less effective against gram positive bacteria

A

3RD GENERATION CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. Cefixime( suprax)
  2. Cefdinir (Omnicef)
  3. Ceftriaxone(rocephine)
  4. Cefotaxime (claforan)
A

3RD GEN CEPHALOSPORINS DRUG EXAMPLES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Effective against organisms that have developed resistance to earlier cephalosporins.

A

4TH GENERATION CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

are capable of entering the cerebrospinal fluid (CSF) to treat CNS infections

A

3rd and 4th generation CEPHALOSPHORINS agents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Effective against E.coli, klebsiella, Proteus, streptococci, certain staphylococci, Psuedomonas aeruginosa

A

4TH GENERATION CEPHALOSPORINS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Cefepime ( Maxipime)

A

4TH GEN CEPHALOSPORINS DRUG EXAMPLES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

monitor:
1. I/O
2. blood urea nitrogen (BUN)
3. serum creatinine

A

Cefepime ( Maxipime) NURSING INTERVENTION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Gl SYSTEM
1. nausea
2. vomiting
3. diarrhea
4. anorexia
5. abdominal pain,
6. flatulence

A

CEPHALOSPORINS SIDE EFFECTS AND ADVERSE REAX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

CNS
1. headache
2. dizziness
3. lethargy
4. paresthesia (abn sensation of skin such as burning, tingling, prickling)

A

CEPHALOSPORINS SIDE EFFECTS AND ADVERSE REAX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

RENAL SYSTEM - Nephrotoxicity (most common kidney problem when body or kidney is exposed to drug/toxins) in individuals with existing renal disease

A

CEPHALOSPORINS SIDE EFFECTS AND ADVERSE REAX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Fatigue, pruritus, pain on the injection site.

A

CEPHALOSPORINS SIDE EFFECTS AND ADVERSE REAX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q
  1. Psuedomembranous colitis
  2. nephrotoxicity,
  3. anaphylaxis
A

CEPHALOSPORINS SERIOUS ADVERSE REAX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

CEPHALOSPORINS If taken with alcohol may result to

A

disulfiram (Antabuse)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q
  1. Severe vomiting
  2. weakness
  3. blurred vision
  4. profound hypotension
  5. nausea
  6. flushing
  7. dizziness
  8. headache
A

DISULFIRAM (Antabuse) SYMPTOMS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

a drug that causes an adverse reaction to alcohol

A

Disulfiram like drug

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q
  1. C/S should be done before the therapy
  2. Assess for the presence or history of bleeding disorders because cephalosporins may reduce prothrombin levels through interference with vitamin K metabolism
  3. Assess the renal and hepatic function, because most cephalosporins are eliminated by the kidney, and liver function is important in vit.K production
  4. Use with caution on clients with penicillin allergy
  5. Use with caution in pregnant or lactating because the drug can be transfer to the fetus
A

CEPHALOSPORINS NURSING INERVENTIONS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q
  1. Avoid alcohol use
  2. Eat cultured dairy products to help discourage superinfection like yogurt, kefir
  3. May cause false positive urine glucose test
  4. Keep drugs out of reach of small children
  5. Use childproof containers
  6. Report signs of superinfection- mouth ulcers, discharge from genital or anal area
  7. Ingest buttermilk or yoghurt to prevent superinfection of intestinal flora
  8. Take complete course of medication even if infection have ceased
  9. Observe for hypersensitivity reaction
A

CEPHALOSPORINS CLIENT TEACHINGS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Acts by inhibiting bacterial protein synthesis, by binding to the bacterial ribosome and have a bacteriostatic effect

A

TETRACYCLINES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Is isolated from streptomyces aureofaciens in 1948

A

TETRACYCLINES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

The first broad spectrum antibiotics effective against gram positive and gram negative bacteria and many other organisms - mycobacteria, rickettsiae, spirochetes and clamydiae

A

TETRACYCLINES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q
  1. Demeclocycline(Dectomvcin)
  2. Doxycycline(Vibramycin,others)
  3. Minocycline (Minocin)
  4. Methacycline (Rondomycin)
  5. Tetracycline (Achromycin,others)
  6. Tigecycline(Tygacil)
A

TETRACYCLINES DRUG EXAMPLES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q
  1. Rocky mountain spotted fever
  2. Typhus
  3. Cholera
  4. Lyme disease
  5. Peptic ulcers
  6. Chlamydial infections
A

TETRACYCLINES THERAPEUTIC EFFECTS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

bacterial disease spread through bite of infected tick

A

Rocky mountain spotted fever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

spread to humans by flies, lice

A

TYPHUS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

severe diarrheal illness caused by vibrio cholerae bacteria which infects the intestines.

A

CHOLERA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

caused by bacterium borella; bc of black-legged tick.

A

LYME DISEASE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

caused by helicobacter pylori

A

PEPTIC ULCER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

AN STD

A

Chlamydial infections

42
Q
  1. Gl system - N/V, diarrhea are the common, abdominal pain
  2. Muscoloskeletal - tetracycline accumulate on teeth and bones leading to weakening of the bones/teeth and permanent staining and discoloration
  3. Skin - photosensitivity and rashes Photosensitivity - an extreme sensitivity to ultraviolet rays from the sun and other light sources
A

TETRACYCLINES ADVERSE EFFECTS

43
Q
  1. Penicillin - decrease effectiveness
A

TETRACYCLINES Drug to drug interactions:

44
Q
  1. Oral contraceptives - decrease effectiveness. Advice alternative methods of contraception
A

TETRACYCLINES Drug to drug interactions:

45
Q
  1. Digoxin - toxicity rises
A

TETRACYCLINES Drug to drug interactions:

46
Q
  1. Dairy products - render unabsorbable
  2. Give on an empty stomach
  3. Ca and Fe bind - decrease drug absorption
A

TETRACYCLINES Drug- food interaction

47
Q

tetracycline can treat all these disease

A

1.acne vulgaris
2. actinomycosis
3. anthrax
4. malaria
5. syphilis
6. UTI
7. Ricketstial infection
8. lyme disease

48
Q
  1. Assess for a history of hypersensitivity to tetracyclines
  2. Obtain C/S results before therapy is initiated
  3. Assess for the presence or history of acne vulgaris, actinomycosis, anthrax, malaria, syphilis, UTI, ricketstial infection, and lyme disease. Tetracycline can treat all this disease
  4. Perform CBC and kidney and liver functions studies.
  5. Monitor the clients body temperature and WBC and C/S results to determine the effectiveness of the treatment and observe for superinfections
A

TETRACYCLINES NURSING CONSIDERATIONS

49
Q
  1. Protect the patient from exposure to the sun with adequate clothing and sunscreen
  2. Instruct the patient to take the meds without food and with full glass of water
  3. Provide alternative contraceptives methods during the course of therapy
  4. Use with caution in clients with impaired kidney or liver function
  5. Contraindicated to pregnancy or lactation and children below 8 years old.
A

TETRACYCLINES NURSING CONSIDERATIONS

50
Q
  1. Do not save medication, because toxic effects may occur if it is taken past the expiration date
  2. Do not take these medications with milk products, iron supplements, magnesium-containing laxatives or antacids
  3. Wait 1 to 3 hours after taking tetracyclines before taking antacids
A

TETRACYCLINES Client Teachings

51
Q
  1. Wait at least 2 hours before or after taking tetracyclines before taking lipid profile drugs such as colespitol (Colesid) and cholestyramine (Questran)
  2. Complete the full course of treatment.
  3. Immediately report abdominal pain, loss of appetite, nausea and vomiting, visual changes and yellowing of the skin
  4. Avoid exposure to direct sunlight: use sunscreen and protective clothing to decrease the effects of photosensitivity.
A

TETRACYCLINES Client Teachings

52
Q

Inhibit protein synthesis by binding to the bacterial ribosome.

A

MACROLIDES

53
Q

Bind to the bacterial cell ribosomes and change or alter protein production function leading to impaired cell metabolism and division

A

MACROLIDES

54
Q

Effective against most gram positive and many gram negative species

A

MACROLIDES

55
Q

Indicated for the pharmacological treatment of respiratory disorders

A

MACROLIDES

56
Q

Safe alternative to penicillin

A

MACROLIDES

57
Q
  1. Azithromycin (Zithromax) - has extended haft life that is administered only for 3 to 4 days; BSA
  2. Clarithromycin ( Biaxin)- BSA
  3. Dirithromycin(Dynabac)
  4. Erythromycin (E-mycin, Erythromycin) - the first macrolides, was derived from the fungus- like bacteria Streptomyces erythreus in 1950: BSA
A

MACROLIDES DRUG EXAMPLES

58
Q

the first macrolides, was derived from the fungus- like bacteria Streptomyces erythreus in 1950: BSA

A

Erythromycin (E-mycin, Erythromycin)

59
Q
  1. For the treatment of Whooping cough, legionnaires disease and infection by streptococcus, H. influenza, and Mycoplasma pneumoniae
  2. Used against bacteria inside host cells such as listeria, chlamydia, dyptheria, pertussis and gonorrhea
A

MACROLIDES INDICATIONS

60
Q
  1. Gl system - diarrhea and abdominal cramps are the most common side effects, anorexia, vomiting and pseudomembranous colitis.
  2. CNS - reversible hearing loss, tinnitus, vertigo
  3. Skin - rashes, urticaria
  4. Hepatoxicity- if taken in large dose with other hepatoxic drugs.
A

MACROLIDES ADVERSE EFFECTS

61
Q

Anaphylaxis, ototoxicity, hepatoxicity, superinfection

A

MACROLIDES SERIOUS ADVERSE EFFECTS

62
Q

Macrolides can increase serum level of theophylline (bronchodilator), carbamazepine (Anticonvulsant), and warfarin (anticoagulant) - closely monitor the drug serum level

A

MACROLIDES Drug interactions:

63
Q

should not be used with other macrolides to avoid severe toxic effect.

A

Erythromycin

64
Q

may reduce zithromycin peak levels when taken at the same time with macrolides

A

Antacids

65
Q
  1. Assess for the presence of respiratory infections
  2. Assess for Gl tract infections, skin and soft- tissue infections, otitis media, gonorrhea
  3. Examine the patient for a history of cardiac disorders, because macrolide may exacerbate existing heart disease.
  4. Assess for history of hypersensitivity
  5. Obtain C/S testing before initiating macrolide therapy.
  6. Do not administer macrolides to client with serious hepatic impairment
A

MACROLIDES NURSING CONSIDERATION

66
Q
  1. Used cautiously in pregnant or breastfeeding woman to avoid harm to the fetus or newborn
  2. Macrolides should be used cautiously in clients receiving Cyclosporine (Sandimmune w/c is used as a chemo drug) and drug level must be monitored because of high risk for Nephrotoxicity
  3. Perform coagulation laboratory studies such as international normalized ratio (INR)
  4. Closely monitor client receiving warfarin (Coumadin) because macrolides may decrease warfarin metabolism and excretion
  5. Anesthetic agents (Alfentanil) may interact with macrolides causing serum drug level to rise and result to toxicity
A

MACROLIDES NURSING CONSIDERATION

67
Q
  1. Complete the full course of treatment
  2. Do not take macrolides with fruit juices
  3. Do not take other prescription drugs or OTC medications, herbal medicines, vitamins and minerals without informing health care providers.
  4. Immediately report severe skin rashes, itching or hives, DOB, yellowing of skin or eyes, dark urine, or pale stools.
A

MACROLIDES CLIENT TEACHING

68
Q

Are bacteriocidal and act by inhibiting bacterial protein synthesis and causing synthesis of abnormal proteins

A

AMINOGLYCOSIDES

69
Q

first aminoglycosides and was named after Streptomyces griseus, the soil
organism from it was isolated in 1942.

A

Streptomycin

70
Q
  1. Used to treat tuberculosis
  2. Drug of choice to treat tularemia and bubonic pneumonic forms of plaque
A

Streptomycin

71
Q
  1. Reserved for serious systemic infections caused by aerobic gram negative organisms including those caused by E coli, serratia, proteus, klebsiella and pseudomonas
  2. Sometimes administered concurrently with penicillin, cephalosporins, or vancomycin for treatment of enterococci infections.
  3. When used for systemic bacterial infection, aminoglycosides are given parenterally (IM, IV) because they cannot be absorbed from Gl tract and cannot cross into the placenta
A

AMINOGLYCOSIDES THERAPEUTIC USES

72
Q

Neomycin - frequently used as preoperative bowel antiseptic
Paromomycin - useful in treating intestinal amebiasis and tapeworm manifestation given orally

A

AMINOGLYCOSIDES THERAPEUTIC USES

73
Q

frequently used as preoperative bowel antiseptic

A

Neomycin

74
Q

useful in treating intestinal amebiasis and tapeworm manifestation given
orally

A

Paromomycin

75
Q
  1. Amikacin (Amikin)
  2. Gentamicin (Garamycin, others)
  3. Kanamycin (kantrex)
  4. Neomycin (Mycifradin)
  5. Netilmicin (Netromycin)
  6. Paromomycin (Humantin)
  7. Streptomycin
  8. Tobramycin (Nebcin)
A

AMINOGLYCOSIDE DRUG EXAMPLES

76
Q

Pain on the injection sites, rash, fever, nausea, diarrhea, dizziness, and tinnitus

A

AMINOGLYCOSIDE adverse reactions:

77
Q
  1. Nephrotoxicity
  2. Ototoxicity
  3. Anaphylaxis
A

AMINOGLYCOSIDE SERIOUS ADVERSE REAX

78
Q

Is recognized by abnormal urine function test such as elevated serum creatinine or BUN

A

Nephrotoxicity

79
Q

recognized by hearing impairment, dizziness, loss of balance, persistent headache and ringing in the ear (tinnitus)

A

Ototoxicity

80
Q
  1. Assess the client for a history of previous allergic reaction to aminoglycosides
  2. Monitor for nephrotoxicity and ototoxicity during the course of the therapy
  3. Assess baseline auditory and vestibular functions prior administration and through out the therapy
  4. Assess baseline renal function and obtain results of urinalysis
  5. Used with caution in neonates, infants and elderly clients.
A

AMINOGLYCOSIDE Nursing Considerations

81
Q
  1. Increase fluid intake
  2. Complete the full course of treatment
  3. Immediately report tinnitus, high frequency hearing loss, persistent headache, nausea or vertigo
  4. Monitor clients for diarrhea, stomatitis, glossitis and vaginal discharge. her risk of nephrotoxicity and ototoxicity
A

AMINOGLYCOSIDE Client Teachings:

82
Q

Are bacteriocidal and affect DNA synthesis by inhibiting two bacterial enzymes: DNA gyrase and topoisomerase

A

FLUOROQUINOLONES

83
Q

To interfere with the enzyme DNA gyrase, which is needed to synthesize bacterial deoxyribonucleic acid (DNA)

A

FLUOROQUINOLONES

84
Q

Once reserved only for UTI’s because of their toxicity

A

FLUOROQUINOLONES

85
Q
  1. Effective against some gram positive organisms, such as Streptococcus pneumonia and against Haemophilus influnzae, P. aeruginosa, Salmonella and Shigella
  2. Useful in the treatment of UTI, bone and joint infection, bronchitis, pneumonia, gastroenteritis, gonorrhea, thypoid.
A

FLUOROQUINOLONES Therapeutic Use:

86
Q

are highly effective against anaerobes

A

Moxifloxacin (Avelox) and Trovafloxacin (Trovan)-

87
Q

an agent of choice for postexposure prophylaxis of bacillus anthracis.

A

Ciprofloxacin (Cipro

88
Q

is used primarily to treat respiratory problems such as CAP, chronic bronchitis, acute sinusitis, and UTI

A

Levofloxacin (Levaquin)

89
Q
  1. Ciprofloxacin (Cipro) - an agent of choice for postexposure prophylaxis of bacillus anthracis.
  2. Moxifloxacin (Avelox) and Trovafloxacin (Trovan)- are highly effective against anaerobes
  3. Levofloxacin (Levaquin)- is used primarily to treat respiratory problems such as CAP, chronic bronchitis, acute sinusitis, and UTI
A

FLUOROQUINOLONES Therapeutic Use:

90
Q

Nalidixic acid (Neogram)

A

1ST GENERATION FLUOROQUINOLONES

91
Q
  • The first drug in 1st gen fluoroquinolones, approved in 1962.
  • Had a narrow spectrum of activity and was restricted use to UTI
A

Nalidixic acid (Neogram)

92
Q
  1. Ciprofloxacin(Cipro)
  2. Norfloxacin(Noroxin)
  3. Ofloxacin (Floxin)
  4. Lomefloxacin(Maxaquin)
A

2ND GENERATION FLUOROQUINOLONES

93
Q
  1. Gatifloxacin (tequin)
  2. Levofloxacin (Levaquin)
A

3RD GENERATION FLUOROQUINOLONES

94
Q
  1. Gemifloxacin (Factive)
  2. Moxifloxacin (Avelox)
  3. Trovafloxacin mesylate (Trovan)
A

4TH GENERATION FLUOROQUINOLONES

95
Q
  1. Gl system: nausea, vomiting and diarrhea the most common side effects
  2. Dry mouth, rash, restlessness, pain and inflammation at the insertion site, local burning, stinging and corneal irritation(ophthalmic)
  3. CNS - dizziness, insomnia, headache and depression
  4. Hema - bone marrow depression, photosensitivity
A

FLUOROQUINOLONES Adverse effects:

96
Q
  1. Dysrhythmias (Gatifloxacin and Moxifloxacin) and
  2. Liver failure (Trovafloxacin)
A

FLUOROQUINOLONES SERIOUS Adverse effects:

97
Q
  1. Found to cause significant damage to the cartilages that they are given cautiously to growing children and adolescents less than 18 years old example Ciprofloxacin (Cipro)
  2. Pregnancy and lactation
  3. Caution to client with epilepsy, cerebral atherosclerosis
A

Contraindications and Precaution of
Fluoroquinolones

98
Q
  1. Assess for allergic reaction to fluoroquinolones
  2. Monitor WBC count - because the agent may decrease leukocytes
  3. Obtain culture and sensitivity test
  4. Monitor clients with liver and renal dysfunction -because the drug is metabolize in the liver and excreted in the kidney
  5. Antacids and ferrous sulfate may decrease the absorption of fluoroquinolones reducing antibiotic effectiveness
A

Fluoroquinolones Nursing Considerations:

99
Q
  1. Give enoxacin (Penetrex) and Norfloxacin (Noroxin) on an empty stomach
  2. Administer fluoroquinolones at least 2 hours before these drugs
  3. Frequently monitor coagulation studies if these antibiotics are administered concurrently with Warfarin (Coumadin) - because of interactions that may lead to increase anticoagulation effects
  4. Monitor urine output and report quantities of less than 1000 ml in 24 hours.
  5. Inform clients receiving Norfloxacin (Noroxin) that photophobia is possible
A

Fluoroquinolones Nursing Considerations:

100
Q

URINE OUTPUT/HR

A

30-60ml

101
Q
  1. Wear sunglasses, avoid exposure to bright lights and direct sunlight when taking Norfloxacin(Noroxin)
  2. Complete the full course of treatment
  3. Immediately report signs of tendon pain or inflammation
  4. Immediately report dizziness, restlessness, stomach distress, diarrhea, psychosis, confusion or irregular or fast heart rate
A

Fluoroquinolones Client Teaching: