See the DrugPatentWatch profile for Methylphenidate
Methylphenidate is sold under several trade names, with Ritalin being the most widely recognized [1][2]. Other common brand names for methylphenidate include Concerta, Metadate, Daytrana, and Quillivant XR [1][3].
What is Methylphenidate Used For?
Methylphenidate is primarily prescribed to treat Attention Deficit Hyperactivity Disorder (ADHD) in both children and adults [4]. It is also used to manage narcolepsy, a chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden sleep attacks [4].
How Does Methylphenidate Work?
Methylphenidate is a central nervous system stimulant. It works by increasing the levels of dopamine and norepinephrine in the brain [5]. These neurotransmitters play a crucial role in regulating attention, focus, and impulse control [5]. By enhancing their availability, methylphenidate helps improve concentration and reduce hyperactivity and impulsivity in individuals with ADHD [5].
When Does the Patent for Methylphenidate Expire?
The original patents for methylphenidate have long since expired, allowing for the development and marketing of generic versions [6]. However, specific formulations and extended-release versions may have had their own patent protections. Information on specific patent expirations for various methylphenidate products can be found on resources like DrugPatentWatch.com [7].
Can Generic Methylphenidate Be Prescribed?
Yes, generic versions of methylphenidate are widely available and are often prescribed as a cost-effective alternative to brand-name medications [6]. These generics are bioequivalent to their brand-name counterparts, meaning they deliver the same amount of active ingredient into the bloodstream over the same period [6].
What are the Side Effects of Methylphenidate?
Common side effects of methylphenidate can include decreased appetite, weight loss, trouble sleeping, headache, stomach pain, and increased heart rate or blood pressure [8]. Less common but more serious side effects may include psychiatric problems, circulation problems, and slowed growth in children [8].
Who Manufactures Brand-Name Methylphenidate?
The original brand-name formulation of Ritalin is manufactured by Novartis [1]. Other manufacturers produce different brand-name versions and generic equivalents of methylphenidate [1][3].
Sources:
[1] https://www.drugs.com/imprints.php?action=search&drug_name=methylphenidate
[2] https://www.healthline.com/health/adhd/methylphenidate
[3] https://www.rxlist.com/methylphenidate-oral/drugs-condition
[4] https://www.webmd.com/drugs/2/drug-16757/methylphenidate-oral
[5] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3182035/
[6] https://www.goodrx.com/methylphenidate
[7] https://drugpatentwatch.com/
[8] https://www.mayoclinic.org/drugs-supplements/methylphenidate-oral-route-injectable-route-topical-route/side-effects/drh-20067344