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(dexmethylphenidate hydrochloride) Extended-release Capsules
- Patient Information:
Details with Side Effects
Focalin XR should be given cautiously to patients with a history of drug dependence or alcoholism. Chronic abusive use can lead to marked tolerance and psychological dependence with varying degrees of abnormal behavior. Frank psychotic episodes can occur, especially with parenteral abuse. Careful supervision is required during withdrawal from abusive use, since severe depression may occur. Withdrawal following chronic therapeutic use may unmask symptoms of the underlying disorder that may require follow-up.
Focalin XR is an extended-release formulation of dexmethylphenidate with a bi-modal release profile. Focalin XR uses the proprietary SODAS® (Spheroidal Oral Drug Absorption System) technology. Each bead-filled Focalin XR capsule contains half the dose as immediate-release beads and half as enteric-coated, delayed-release beads, thus providing an immediate release of dexmethylphenidate and a second delayed release of dexmethylphenidate. Focalin XR is available as 5, 10, 15, 20, 25, 30, 35, and 40 mg extended-release capsules. Focalin XR 5, 10, 15, 20, 25, 30, 35, and 40 mg extended-release capsules provide in a single dose the same amount of dexmethylphenidate as dosages of 2.5, 5, 7.5, 10, 12.5, 15, 17.5, or 20 mg of Focalin given b.i.d. as tablets.
Dexmethylphenidate hydrochloride, the d-threo enantiomer of racemic methylphenidate hydrochloride, is a central nervous system (CNS) stimulant.
Dexmethylphenidate hydrochloride is methyl α-phenyl-2-piperidineacetate hydrochloride, (R,R')-(+)-. Its empirical formula is C14H19NO2•HCl. Its molecular weight is 269.77 and its structural formula is:
Note*=asymmetric carbon center
Dexmethylphenidate hydrochloride is a white to off white powder. Its solutions are acid to litmus. It is freely soluble in water and in methanol, soluble in alcohol, and slightly soluble in chloroform and in acetone.
Inactive ingredients: ammonio methacrylate copolymer, FD&C Blue #2 (5 mg, 15 mg, 25 mg, 35 mg, and 40 mg strengths), FDA/E172 yellow iron oxide (10 mg, 15 mg, 30 mg, 35 mg, and 40 mg strengths), gelatin, ink Tan SW-8010, methacrylic acid copolymer, polyethylene glycol, sugar spheres, talc, titanium dioxide, and triethyl citrate.
What are the possible side effects of dexmethylphenidate (Focalin, Focalin XR)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using dexmethylphenidate and call your doctor at once if you have any of these serious side effects:
- dangerously high blood pressure (severe headache, blurred vision, ringing in your ears, chest pain, numbness, seizure);
- fast or uneven heart rate;
- blurred vision or other visual changes;
- unusual behavior, confusion; or
- twitching or tics.
What are the precautions when taking dexmethylphenidate hydrochloride (Focalin XR)?
Before taking dexmethylphenidate, tell your doctor or pharmacist if you are allergic to it; or to methylphenidate; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: high blood pressure, glaucoma, heart problems (such as irregular heartbeat, heart failure, previous heart attack, problems with heart structure), family history of heart problems (such as sudden cardiac death, irregular heartbeat), mental/mood conditions (especially anxiety, tension, agitation), personal/family history of mental/mood disorders (such as bipolar disorder, depression, psychosis),...
Last reviewed on RxList: 1/21/2014
This monograph has been modified to include the generic and brand name in many instances.
Additional Focalin XR Information
Focalin XR - User Reviews
Focalin XR User Reviews
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