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Information on ADHD Medications »
ADHD medications are drugs used to treat some of the characteristic behaviors associated with attention deficit hyperactivity disorder, including inattention, hyperactivity, and poor impulse control.
Drugs used to treat ADHD target chemicals in the brain known as neurotransmitters. One type of ADHD medication works by increasing levels of the neurotransmitter dopamine. Another type of ADHD drug increases the level of another neurotransmitter, norepinephrine.
ADHD drug treatment should begin only after a specific diagnosis of ADHD has been made. A clinical diagnosis requires that symptoms have persisted for at least six months. There is no blood test or radiological scan that can diagnose ADHD.
Most children with ADHD are diagnosed in preschool or early in elementary school. It's estimated that up to 7%-8% of school-age children in the United States have ADHD. In addition, it may be present ...
Methylin® Chewable Tablets
(methylphenidate HCl) Chewable Tablets 2.5 mg, 5 mg and 10 mg
Methylin® (methylphenidate HCl) is a mild central nervous system (CNS) stimulant, available as 2.5 mg, 5 mg and 10 mg chewable tablets for oral administration. Methylphenidate hydrochloride is methyl α -phenyl-2-piperidineacetate hydrochloride, and its structural formula is
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Methylphenidate Hydrochloride USP is a white, odorless, fine crystalline 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.
Each Methylin® Chewable Tablet, for oral administration, contains 2.5 mg, 5 mg or 10 mg of Methylphenidate Hydrochloride, USP. In addition, Methylin® Chewable Tablets (methylphenidate hcl chewable tablets ) also contain the following inactive ingredients: Aspartame NF, Maltose, Microcrystalline Cellulose NF, Guar Gum NF, Grape Flavor, Pregelatinized Starch NF, and Stearic Acid NF.
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 taking methylphenidate and call your doctor at once if you have any of these serious side effects:
Read All Potential Side Effects and See Pictures of Methylin Chewable Tablets »
Before taking methylphenidate, tell your doctor or pharmacist if you are allergic to it; 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.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain mental/mood conditions (e.g., agitation, psychosis), heart/blood vessel disease (e.g., irregular heartbeat/rhythm, coronary artery disease, angina, heart failure, cardiomyopathy), problems with heart structure (e.g., valve problems), history of heart attack or stroke, severe anxiety/tension, glaucoma, motor tics.
Before using this medication, tell your...
Read All Potential Precautions of Methylin Chewable Tablets »
Last reviewed on RxList: 8/11/2008
This monograph has been modified to include the generic and brand name in many instances.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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