Pharm Dosage

Question 1

Folic Acid

Answer 1

• normal pregnancy 0.4mg/day

- high risk 4mg/day

Question 2

Switching from Depakote to Depakote ER

Answer 2

increase dose by 14-20%

Question 3

Gabapentin in renal insufficiency

Answer 3

reduce dose

Question 4

Therapeutic range of carbamazepine

Answer 4

4-12 mcg/mL

Question 5

Dose of phenytoin acid vs. dose of phenytoin sodium

Answer 5

100mg of phenytoin acid = 92mg of phenytoin sodium

Question 6

Acetaminophen

Answer 6

1gm at migraine onset, repeat Q4-6hrs PRN

MAX: 4gm daily

Question 7

Naproxen

Answer 7

550-825mg at onset, repeat 220mg in 3-4hrs (avoid doses > 1.375gm/day)

Question 8

Ergotamine tartrate suppository

Answer 8

1/2-1 suppository initially, repeat after 1 hr PRN

MAX: 4mg/day or 10mg/week

Question 9

Parenteral dihydroergotamine (DHE)

Answer 9

0.25mg-1mg at onset IM, IV, or subQ. Repeat every hour PRN.

MAX 3mg/day or 6mg/week

Question 10

Propanolol

Answer 10

40-160mg/day in two divided doses

Question 11

Amitriptyline

Answer 11

20-50mg HS, start at 10mg d/t sedating effects

Question 12

Topiramate

Answer 12

25 mg daily

Question 13

Oxygen

Answer 13

12 L/min for 15-30min

Question 14

Frovatriptan

Answer 14

2.5mg daily or BID (-2 days to +4 days)

Question 15

Sumatriptan injectable

Answer 15

6mg