Stimulants Flashcards
This drug is chemically related to amphetamine.
Methylphenidate
Methylphenidate peaks in __-__h and lasts about __
1-3, 6 hours
Methylphenidate is used commonly because of:
Better side effect profile
Dose range is:
10-60 in 2-3 doses
With methylphenidate, the last dose should be taken when to avoid what?
Afternoon to avoid insomnia!
To curb anorexia, methylphenidate should be taken:
With meals
Sustained release prep can be given:
Once a day
Side effects of methylphenidate include: (WARI)
Weight loss
Anorexia
Restlessness
Insomnia
Methylphenidate can be potentiated by other:
CNS stimulants including OTC cough/cold meds
Methylphenidate and these can cause hypertensive crisis.
MAOI’s
T/F Methylphenidate is antagonized by antipsychotics.
TRUE
This drug is not commonly used in children under 5.
Dextroamphetamine
Oral doses of dextroamphetamine produce results within:
30-60 minutes
Half life of dextroamphetamine:
12 hours
This speeds excretion:
Urine acidification (cran juice, citrus, VIT C)
This slows excretion:
Alkalinization (sodium bicarbonate)
Daily dose range, given in.
5-40 in 2 doses
May also be given ER…
Once a day
T/F dextroamphetamine shares side effects and interactions with methylphenidate.
TRUE
This next one, La Lohan’s, is also not used in children under 5.
Dextroamphetamine with amphetamine
Daily dose range for adderall:
10-40mg/day
Also can be given…
Extended release in AM (20-60mg)
WE MUST INFORM PARENTS THAT:
- Decrease appetite & retard growth
- Can increase motor/phonic tics or stereotype behaviors.
- Although they improve attention & reduce hyperactivity, don’t improve interpersonal relationships.
- Drug holidays may allow child to gain weight & recover slowed growth!
Dextroamphetamine causes the greatest:
Growth inhibition
In addition to stimulants, we may see:
Non-stimulants
This drug is a selective NE reuptake inhibitor, but has shown promise in treating ADHD in children over 6, adol & adults.
(Adam)
Atomoxetine
T/F Atomoxetine is well absorbed in GI.
TRUE
Atomoxetine is highly protein bound?
YES - Highly
Atomoxetine has a half life of…
5-20 hours
Atomoxetine is eliminated by the…
Kidneys
Total dose range in children is:
0.5mg/kg per day to 1.2mg/kg per day
As a selective NE reuptake inhibitor we must not confuse it with:
SNRI (Selective serotonin norepinephrine reuptake inhibitor)
Serious side effects include:
Liver damage (rare but serious) RISK OF SUICIDAL THOUGHTS
Other side fx include (8)
Palpitations Headache/Dry mouth/Dizziness Constipe/Urinary hesitation/retention Mood swings Anorexia
Atomoxetine is poteniated by:
Fluoxetine & Paroxetine
We can produce this if mixed with MAOI’s.
SEROTONIN SYNDROME