pharm Flashcards
What is the MOA of clindamycin?
Inhibits bacterial protein synthesis (primarily bacteriostatic) at the level of bacterial 50s ribosome.
what are some uses for clindamycin?
(a) Often used to treat anaerobic infections but is effective for a variety of aerobic and anaerobic gram positive and gram negative bacteria.
(b) Can also be used to treat protozoa, like malaria.
(c) Useful in topically treating acne
(d) May also be useful in treating MRSA infections
(i) It is not the first choice for this as vancomycin is preferred.
(e) Monitor with prolonged therapy:
(i) CBC, liver and kidney function tests
(ii) Symptomatology (especially diarrhea because of high association with CDAD
name 3 relevant ADR’s for Clindamycine
(a) Common: dry skin, morbilliform rash, GI upset (diarrhea, nausea); secondary infections (candida and CDAD)
(b) Serious: CDAD, hypersensitivity (TEN, SJS), agranulocytosis
name 2 3rd generation cephalosporins
Ceftriaxone (3rd generation, broad spectrum)
( Ceftazidime (3rd generation, broad spectrum
what is the MOA of vanco?
inhibits bacterial wall synthesis
what is vanco used for?
CDAD, skin or lung infections, MRSA infections, infective endocarditis
what is the mOA of TMP-SMX
folic acid antagonist
what parameters should you consider when determining to give a PCA (patient controlled analgesia)
consider the patients age, weight, co-morbid conditions, level of pain, opioid tolerance, cognitive ability, and physical limitations
what are the 4 opioid receptors?
(a) Mu: PEAR
(i) Physical dependence
(ii) Euphoria
(iii) Analgesia
(iv) Respiratory depression
(b) Kappa: SAM
(i) Sedation
(ii) Analgesia (spinal)
(iii) Miosis
(c) Delta: AREG
(i) Analgesia
(ii) Release of Growth Hormone
(d) Sigma: Do HaRM
(i) Dysphoria (opposite of euphoria)
(ii) Hallucination (both visual and auditory)
(iii) Respiratory and vasomotor stimulation
(iv) Mydriasis
is CNS distribution of drugs uniform?
nope
name the Receptor locations beginning with highest concentration to lowest
(i) Cerebral cortex
(i) Cerebral cortex
(ii) Amygdala
(iii) Septum
(iv) Thalamus
(v) Hypothalamus
(vi) Midbrain
(vii) Spinal cord
what drug is approx 100 x more potent than morphine?
fentanyl ( sublimaze)
how often are fentanyl patches replaced?
q 72 hours except in the elderly in which they may exceed the 72 hours
what medx is • Same potency as morphine with similar withdrawal symptoms
• Not recommended for chronic pain relief
- Meperidine (Demerol)