Ritalin LA

What is Ritalin LA and how is it used?

Ritalin LA is a prescription medicine used to treat the symptoms of Attention Deficit Hyperactivity Disorder (ADHD) and Narcolepsy. Ritalin LA may be used alone or with other medications.

Ritalin LA belongs to a class of drugs called Stimulants, ADHD Agents.

It is not known if Ritalin LA is safe and effective in children younger than 6 years of age.
What are the possible side effects of Ritalin LA?

Ritalin LA may cause serious side effects including:

chest pain,
trouble breathing,
lightheadedness,
hallucinations,
new behavioral problems,
aggression,
hostility,
paranoia,
numbness
,
pain,
cold feeling,
unexplained wounds,
slowed growth (in children),
skin color changes (pale, red, or blue appearance) in your fingers or toes, and
penis erection that is painful or lasts 4 hours or longer

Get medical help right away, if you have any of the symptoms listed above.

The most common side effects of Ritalin LA include:

excessive sweating,
mood changes,
feeling nervous or irritable,
sleep problems (insomnia),
fast heart rate,
pounding heartbeats,
fluttering in your chest,
increased blood pressure,
loss of appetite,
weight loss,
dry mouth,
nausea,
stomach pain, and
headache

Tell the doctor if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of Ritalin LA. For more information, ask your doctor or pharmacist.
DESCRIPTION

Methylphenidate hydrochloride is a central nervous system (CNS) stimulant.

Ritalin LA® (methylphenidate hydrochloride) extended-release capsules is an extended-release formulation of methylphenidate with a bi-modal release profile. Ritalin LA® uses the proprietary SODAS® (Spheroidal Oral Drug Absorption System) technology. Each bead-filled Ritalin LA capsule contains half the dose as immediate-release beads and half as enteric-coated, delayed-release beads, thus providing an immediate release of methylphenidate and a second delayed release of methylphenidate. Ritalin LA 10, 20, 30, and 40 mg capsules provide in a single dose the same amount of methylphenidate as dosages of 5, 10, 15, or 20 mg of Ritalin® tablets given b.i.d.

The active substance in Ritalin LA is methyl α-phenyl-2-piperidineacetate hydrochloride, and its structural formula is

Ritalin LA® (methylphenidate hydrochloride) Structural Formula Illustration

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. Its molecular weight is 269.77.

Inactive ingredients: ammonio methacrylate copolymer, black iron oxide (10 and 40 mg capsules only), gelatin, methacrylic acid copolymer, polyethylene glycol, red iron oxide (10 and 40 mg capsules only), sugar spheres, talc, titanium dioxide, triethyl citrate, and yellow iron oxide (10, 30, and 40 mg capsules only). READMORE

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