Methylin Chewable Tablets

DRUG DESCRIPTION

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 ? -phenyl-2-piperidineacetate hydrochloride, and its structural formula is

Methylin® (methylphenidate HCl) Structural Formula Illustration

Methylphenidate Hydrochloride
C14H19NO2•HCl.......................MW = 269.77

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.

What are the possible side effects of methylphenidate?

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:

  • fast, pounding, or uneven heartbeats;
  • feeling like you might pass out;
  • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;
  • aggression, restlessness, hallucinations, unusual behavior, or motor tics...

Read All Potential Side Effects and See Pictures of Methylin Chewable Tablets »

What are the precautions when taking methylphenidate hcl chewable tablets (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 »


Methylin Chewable Tablets Consumer (continued)

SIDE EFFECTS: Headache, stomach pain, loss of appetite, trouble sleeping, dizziness, nausea, vomiting, lightheadedness, irritability, nervousness, blurred vision, dry mouth, constipation or (rarely) drowsiness may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: uncontrolled movements (motor tics or tremor), verbal tics (e.g., Tourette's syndrome), weight loss, fast/pounding/irregular heartbeat, mental/mood/behavior changes (e.g., agitation, aggression, mood swings, depression, abnormal thoughts), difficulty urinating.

Tell your doctor immediately if any of these rare but very serious side effects occur: signs of infection (e.g., fever, persistent sore throat), easy bruising/bleeding.

Seek immediate medical attention if any of these rare but very serious side effects occur: shortness of breath, chest pain, jaw/left arm pain, fainting, seizures, vision changes, weakness on one side of the body, slurred speech, confusion.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: 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 doctor or pharmacist your medical history, especially of: family history of sudden death/irregular heartbeat/rhythm, family/personal history of mental/mood disorders (e.g., bipolar disorder, depression, psychotic disorder, suicidal thoughts), high blood pressure (hypertension), heart disease (e.g., heart failure, recent heart attack, abnormal heart rhythm), overactive thyroid (hyperthyroidism), seizures, verbal tics (diagnosis or family history of Tourette's syndrome).

This drug may make you dizzy, lightheaded, (rarely) drowsy, or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.

Though uncommon, depression itself can lead to thoughts or attempts of suicide. If you are being treated for depression, tell your doctor immediately if you have any suicidal thoughts or other mental/mood changes. Keep all medical appointments so your doctor can monitor your progress closely.

Before having surgery, tell your doctor or dentist that you are taking this medication.

This medicine contains aspartame. If you have phenylketonuria (PKU) or any other condition for which you must restrict your intake of aspartame (or phenylalanine), consult your doctor or pharmacist regarding the safe use of this medicine.

Children younger than 6 years may be at greater risk for the side effects of this medication.

This drug may affect your child's growth rate, weight, and final adult height, especially in children younger than 6 years. To reduce the risk, the doctor may recommend temporarily stopping the medication from time to time. Check your child's weight and height, and consult your doctor or pharmacist for more details.

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 breast-feeding.


Methylin Chewable Tablets Patient Information Including Side Effects

Brand Names: Concerta, Metadate CD, Metadate ER, Methylin, Methylin ER, Ritalin, Ritalin LA, Ritalin-SR

Generic Name: methylphenidate (Pronunciation: METH il FEN i date)

  • What is methylphenidate (Methylin Chewable Tablets)?
  • What are the possible side effects of methylphenidate?
  • What is the most important information I should know about methylphenidate?
  • What should I discuss with my healthcare provider before taking methylphenidate?
  • How should I take methylphenidate?
  • What happens if I miss a dose?
  • What happens if I overdose?
  • What should I avoid while taking methylphenidate?
  • What other drugs will affect methylphenidate?
  • Where can I get more information?

What is methylphenidate (Methylin Chewable Tablets)?

Methylphenidate is a central nervous system stimulant. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control.

Methylphenidate is used to treat attention deficit disorder (ADD), attention deficit hyperactivity disorder (ADHD), and narcolepsy.

Methylphenidate may also be used for other purposes not listed in this medication guide.

What are the possible side effects of methylphenidate?

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:

  • fast, pounding, or uneven heartbeats;
  • feeling like you might pass out;
  • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;
  • aggression, restlessness, hallucinations, unusual behavior, or motor tics (muscle twitches);
  • easy bruising, purple spots on your skin; or
  • dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, confusion, chest pain, shortness of breath, uneven heartbeats, seizure).

Less serious side effects may include:

  • stomach pain, nausea, vomiting, loss of appetite;
  • vision problems, dizziness, mild headache;
  • sweating, mild skin rash;
  • numbness, tingling, or cold feeling in your hands or feet;
  • nervous feeling, sleep problems (insomnia); or
  • weight loss.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about methylphenidate?

Do not use methylphenidate if you have used an MAO inhibitor such as isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), rasagiline (Azilect), or selegiline (Eldepryl, Emsam) within the past 14 days. Serious, life-threatening side effects can occur if you use methylphenidate before the MAO inhibitor has cleared from your body.

Do not use this medication if you are allergic to methylphenidate or if you have glaucoma, overactive thyroid, severe high blood pressure, tics or Tourette's syndrome, angina, heart failure, heart rhythm disorder, recent heart attack, a hereditary condition such as fructose intolerance, glucose-galactose malabsorption, or sucrase-isomaltase deficiency, or severe anxiety, tension, or agitation.

Methylphenidate may be habit-forming and should be used only by the person it was prescribed for. Methylphenidate should never be shared with another person, especially someone who has a history of drug abuse or addiction. Keep the medication in a secure place where others cannot get to it.

Related Drug Centers
  • Concerta
  • Ritalin
  • Methylin Chewable Tablets
  • Methylin Oral Solution
  • Metadate
  • Ritalin LA
  • Metadate ER


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