Information about Ritalin LA: Includes the warnings, side effects, precautions and drug interactions.
IMPORTANT NOTE | TITLE | HOW TO PRONOUNCE | COMMON BRAND NAMES | USES | OTHER USES | HOW TO TAKE | SIDE EFFECTS | PRECAUTIONS | DRUG INTERACTIONS | OVERDOSE | NOTES | MISSED DOSE | STORAGE
The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.
TITLE METHYLPHENIDATE - ORAL SUSTAINED ACTION
HOW TO PRONOUNCE (meth-ill-FEN-eh-date)
COMMON BRAND NAMES Metadate CD, Ritalin LA
Methylphenidate should be used cautiously if you have
emotional problems (e.g., a history of alcohol or drug abuse). Such patients may
be more likely to increase their doses unnecessarily. Abuse of this medication
can lead to abnormal behavior. If methylphenidate must be stopped, it should be
stopped gradually over time. Do not suddenly stop this medication because severe
depression or hidden overactivity may occur. In some people, side effect (e.g.,
depression) monitoring may be required for a period of time after the medication
This medication increases mental alertness. It is used
in the treatment of attention deficit hyperactivity disorder. This medication
should not be used to treat severe depression, or simple fatigue symptoms.
OTHER USES This medication may also be used to treat narcolepsy (problems staying awake).
HOW TO TAKE
Swallow whole. Chewing or crushing the capsule can
destroy the long action and may increase side effects. This medication is best
taken 30-45 minutes before breakfast. If loss of appetite or stomach upset
occurs, it may be taken with food. Some brands of this medication allow the
capsule to be opened and sprinkled on applesauce. Check with your pharmacist to
determine if your brand may be taken this way. If so, you may sprinkle the
contents of the capsule onto a spoonful of applesauce and take immediately. Do
not chew the applesauce mixture. Do not mix up a dose ahead of time for later
use. Drink a glass of liquid with each dose. Use this medication exactly as
prescribed. Do not increase your dose, use it more frequently or use it for a
longer period of time than prescribed because this drug can be habit-forming.
Also, if used for a long period of time, do not suddenly stop using this without
first consulting your doctor. When used for extended periods, this medication
may not work as well and may require different dosing. Consult your doctor if
the medication isn't working well.
Loss of appetite, blurred vision, dizziness,
lightheadedness, dry mouth, stomach upset, sleeplessness, irritability or
(rarely) drowsiness may occur. If these effects persist or worsen, inform your
doctor promptly. Tell your doctor immediately if any of these serious side
effects occur: weight loss, headache, chest pain, pounding/fast/irregular
heartbeat, mental/mood changes, muscle control problems. Tell your doctor
immediately if any of these highly unlikely but very serious side effects occur:
seizures, yellowing eyes and skin, dark urine, easy bruising or bleeding. In the
unlikely event you have a serious allergic reaction to this drug, seek immediate
medical attention. Symptoms of a serious allergic reaction include: rash,
itching, swelling, severe dizziness, trouble breathing. If you notice other
effects not listed above, contact your doctor or pharmacist.
This medication is not recommended for use if you have
the following medical conditions: severe anxiety/agitation/tension disorders,
glaucoma, motion or verbal tics (Tourette's syndrome). Tell your doctor your
medical history, especially of: seizures, high blood pressure, heart disease
(e.g., abnormal heart rate or rhythm), alcoholism, drug dependence, mental/mood
conditions (e.g., depression, psychosis), high thyroid hormone
(hyperthyroidism), any allergies. If this medication makes you dizzy,
lightheaded or (rarely) drowsy, use caution driving or engaging in activities
requiring alertness. Use of alcohol may intensify these side effects. Prolonged
use of stimulants such as methylphenidate could possibly hinder growth (weight
gain and height) in children; monitor closely for this unproven but possible
effect. Methylphenidate should be used during pregnancy only when clearly
needed. Discuss the risks and benefits with your doctor. It is not known if
methylphenidate passes into breast milk. Consult your doctor before
Certain medications taken with this drug could result in
serious, even fatal, drug interactions. Avoid taking MAO inhibitors (e.g.,
furazolidone, linezolid, moclobemide, phenelzine, procarbazine, selegiline,
isocarboxazid, tranylcypromine) within 2 weeks before or after treatment with
this medication. Consult your doctor or pharmacist for additional information.
Before using this medication, tell your doctor of all nonprescription and
prescription drugs you may use, especially: "blood thinners" (e.g., warfarin),
medications for seizures, medicine for depression (tricyclics such as
amitriptyline), high blood pressure medicine (e.g., guanethidine). Do not start
or stop any medicine without doctor or pharmacist approval.
If overdose is suspected, contact your local poison
control center or emergency room immediately. US residents can call the US
national poison hotline at 1-800-222-1222. Canadian residents should call their
local poison control center directly. Symptoms of overdose may include dilated
pupils, mental/mood changes, tremors, flushing, unusual sweating, severe or
persistent headache, irregular heartbeat, seizures, or loss of consciousness.
Do not allow anyone else to take this medication. It is
against the law. Laboratory and/or medical tests (e.g., blood counts) may be
performed to monitor your progress.
If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.
Store at room temperature between 59 and 86 degrees F
(15 - 30 degrees C). Store away from moisture and heat. Do not store in the