Methylphenidate
(Ritalin, Ritalin SR) |
Category:
Description:
Indications:
-
Attention
deficit disorders
-
Narcolepsy
-
Depression
in elderly, cancer, and post-stroke victims (non FDA approved)
Contraindications:
-
Marked
anxiety, tension and agitation
-
Glaucoma,
Tourette’s syndrome or motor tics, prevention of normal fatigue
Precautions:
-
Pregnancy
category C
-
Severe
depression, seizure disorders, hypertension, history of drug abuse
-
Children
<6 years, symptoms associated with acute stress reactions
Adverse
Reactions (Side Effects):
-
CNS:
akathisia, dizziness, dyskinesia, fever, headache, hyperactivity,
insomnia, restlessness, talkativeness, Tourette’s syndrome (rare)
-
CV:
angina, blood pressure changes, dysrhythmias, palpitations,
tachycardia
-
GI:
abdominal pain, anorexia, dry mouth, nausea, weight loss
-
GU:
uremia
-
HEME:
anemia, leukopenia
-
METAB:
growth retardation
-
MS:
arthralgia
-
SKIN:
erythema-multiforme, exfoliative dermatitis, rash, scalp hair loss,
urticaria
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Dosage:
Administered
orally
-
Adult:
-
Child
> or =6 years:
-
Attention
deficit disorder: PO 0.3 mg/kg/dose or 2.5-5 mg/dose given
before breakfast and lunch; increase by 0.1 mg/kg/dose or 5-10mg
daily at weekly intervals; usual dose 0.5-1 mg/kg/day, max 2
mg/kg/day or 60mg daily; sustained release may be used when the 8
hour dose of sustained release corresponds to the titrated 8 hour
dose of immediate-release tablets
Drug
interactions:
-
Labs:
false positive urine amphetamine
-
MAOIs:
hypertensive reactions
-
Guanethidine:
inhibition of guanethidine antihypertensive effect
Special
considerations:
-
Overdosage
may cause vomiting, agitation, tremor, muscle twitching, seizures,
confusion, tachycardia, hypertension, arrythmias
-
Take
last daily dose prior to 1800 to avoid insomnia
-
Do
not chew or crush sustained release formulation
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The information contained here is an
abbreviated summary. For more detailed and complete information, consult the
manufacturer's product information sheets or standard textbooks
Source: Operational Medicine 2001, Health
Care in Military Settings, NAVMED P-5139, May 1, 2001, Bureau
of Medicine and Surgery, Department of the Navy, 2300 E Street NW, Washington,
D.C., 20372-5300
This information is provided by The Brookside Associates. The Brookside
Associates, LLC. is a private organization, not affiliated with any governmental
agency. The opinions presented here are those of the author and do not
necessarily represent the opinions of the Brookside Associates or the Department
of Defense. The presence of any advertising on these pages does not constitute
an endorsement of that product or service by either the US Department of Defense
or the Brookside Associates. All material presented here is unclassified.
C. 2009, 2014, All Rights Reserved
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