Neuro: pharmacokinetics, adverse reactions, dosages Flashcards
1
Q
anorexiants pharmacokinetics
A
- absorption: by stomach and small intestine (depends on if regular or SR)
- distribution: well as lipid soluble agents (crosses blood brain barier)
- metabolism: liver
- excretion: through kidneys to urine
- half-life: 2-20 hours (duration of action for regular 4-6h, SR is 8-10h)
2
Q
anorexiant dosages
A
page 245
3
Q
anorexiants adverse reactions
A
- CV: hypertension, palpitations, arrythmias, TACHYCARDIA, pulmonary hypertension, HEART VALVE INSUFFICIENCY
- EENT: mydriasis, blurred vision
- GI: dry mouth, constipation, vomiting, diarrhea, unpleasant taste
- GU: impotence, urinary urgency, gynecomastia, change in libido
- META: diabetic may need medications altered
- MISC: dizziness, fatigue, depression with sudden withdrawal
- NERO: overstimulation, agitation, convulsions, confusion, psychosis
4
Q
hydantoins pharmacokinetics
A
- absorption: oral absorption is slow from intestine
- distribution: quickly enter the brain after absorption and are then distributed throughout the body
- metabolism: liver
- excretion: kidneys
- half-life: 6-24 hours (phenytoinn is 24 hours)
5
Q
hydantoins dosages
A
page 247
6
Q
hydantoins adverse reactions
A
- CV: hypotension, tachycardia
- DERM: skin rashes, photophobia, hypertrichosis,
- EENT: diplopia, nystgamus
- GI: N/V, anorexia, altered taste, constipation, dry mouth, gingivival hyperplasia
- GU: urinary retention, reddish-brown color
- HEM: life-threatening AGRANULOCYTOSIS and APLASTIC ANEMIA
- META: hyperglycemia
- MS: polyarthropathy
- MISC: coarsness of facial features, enlargement of lips, allergic rxns including STEVEN-JOHNSON SYNDROME
- NEURO: agitation, ataxia, confusion, dizziness, drowsiness, headache, nystagmus, decreased corrdnation
7
Q
iminostilbene pharmacokinetics
A
page 248
8
Q
iminostilbenes adverse reactions
A
- EENT: blurry vision, tinnitus, diplopia, nystagmus
- DERM: rash, acne
- GI: N/V, dry muth, hepatic damage, abnormal pain, dyspepsia, thirst
- GU: impotence, incontinence, rneal failure, azotemia
- HEM: leucopenia, agranulocytosis, aplastic anemia, thrombocytopenia, transient increase in WBC
- META: hyponatremia, impaired ADH release which leads to water retention
- NEURO: ataxia, gait disturbance, tremor, headache
9
Q
succinimides pharmacokinetics
A
page 249
10
Q
succinimides dosages
A
page 249
11
Q
succinimides adverse reactions
A
- CV: none
- DERM: rash, pruritus
- GI: upset and distress
- GU: reddish brown urine
- HEM: associated with BLOOD DYSCRASIAS
- NEURO: depression, headache, mood change, lethargy
12
Q
dosages of misc anticonvulsants
A
page 250
13
Q
sleep aide pharmacokinetics
A
page 252
14
Q
sleep aid dosages
A
page 252
15
Q
sleep aid adverse reactions
A
- CNS: abnormal dreams, sleepwaling, speech problems, vertigo
- CV: HTN, chest discomfort, palpitations
- DERM: urticaria
- EENT: tinnitus, blurry vision, red eye, altered depth perception,
- GI: abdominal discomfort, pain, gas, N/V
- GU: dysuria, incontinence, UTIs
- META: increased body temp
- MS: arthalgia, back pain, myalgia, neck pain
- NEURO: headache, mild retrograde amnesia, anxiety, apathy, attention, blance disorder
16
Q
triptan pharmacokinetics
A
page 254
17
Q
triptan dosages
A
page 254