Ritalin vs Vyvanse - What's the difference between them?
Ritalin is a brand name for methylphenidate, and Vyvanse is the brand name for lisdexamfetamine. Both drugs are CNS stimulants and both are believed to have a similar mechanism of action; however, some trials indicate that Vyvanse may be more effective at relieving ADHD symptoms than Ritalin.
Side effects, such as decreased appetite, weight loss, insomnia, and nausea are more common with Vyvanse than Ritalin. Both drugs affect the growth rate of children and adolescents; Vyvanse possibly more than Ritalin. Ritalin is more likely to be discontinued because of ineffectiveness and Vyvanse is more likely to be discontinued because of side effects.
Because Vyvanse is a pro-drug it has less potential than Ritalin to be abused, although head-to-head comparisons investigating abuse and dependence potential have not been done. Ritalin is much cheaper than Vyvanse. Both Ritalin and Vyvanse are available as generics.
See also: Drugs.com Compare Tool - Ritalin vs Vyvanse
Long answer
How do the ingredients in Ritalin and Vyvanse differ?
Ritalin is a brand (trade) name for methylphenidate. Experts are not sure exactly how methylphenidate works in Attention Deficit Hyperactivity Disorder (ADHD) but believe it blocks the re-uptake of norepinephrine and dopamine, two neurotransmitters located in the brain. This causes an increase in levels of these chemicals between the nerves, and helps to calm hyperactivity and improve deficits in concentration. Ritalin 5mg costs approximately $89 for 100 tablets (89 cents per tablet) increasing in price for higher strength tablets.
Other brands of methylphenidate include Aptensio XR, Concerta, Metadate, Quillichew ER and Qullivant XR.
Vyvanse is a brand (trade) name for lisdexamfetamine (LDX). LDX is a prodrug of dextroamphetamine, which means it needs to be absorbed by the body and come into contact with red blood cells before it is converted into dextroamphetamine, its active form. Dextroamphetamine is also thought to work by increasing levels of norepinephrine and dopamine in the nerve synapse. LDX is available as the brand Vyvanse, and 100 of the 10mg capsules cost around $1,306 ($13.06 per capsule). Multiple generic versions of Vyvanse capsules and Vyvanse chewable tablets are also available.
Have any studies been done comparing Ritalin to Vyvanse?
Unfortunately, no. Very few studies have been done comparing Ritalin to Vyvanse in either children or adults with ADHD.
More children reported a greater improvement in ADHD symptoms after treatment with LDX than those treated with an extended-release form of methylphenidate in one trial. 53% of children assigned to methylphenidate were taking the highest available dose (54 mg/day) compared to only 33% of children on LDX (the highest available dose of LDX was 70 mg/day). More children discontinued methylphenidate because of ineffectiveness. However, more children on LDX reported intolerable side effects forcing discontinuation. Incidence of poor appetite, weight loss, insomnia, and nausea was higher in children treated with LDX compared to methylphenidate. Methylphenidate was more likely than LDX to cause headache and nasopharyngitis (inflammation of the mucous membranes of the nose and upper airways).
In another study that looked at children who had discontinued methylphenidate due to ineffectiveness, response to LDX was significantly greater than that to Atomoxetine, another drug also used for ADHD.
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What are the effects of Ritalin and Vyvanse on growth rate?
Children consistently administered methylphenidate experience a temporary slowing of growth (on average about 2cm less growth in height and 2.7kg less growth in weight over 3 years).
For Vyvanse, weight loss depended on dose and was reported as 0.9 pounds (30mg dose), 1.9 pounds (50mg dose) and 2.5 pounds (70mg dose) after 4 weeks of therapy. Children randomized to placebo on average gained 1 pound. In older children, weight loss ranged from 2.7 to 4.8 pounds over 4 weeks.
Generally, children taking LDX gain less height and weight and have a lower BMI than those not taking LDX, regardless of height and weight when they are first administered the drug. In fact, heavier and taller children on study entry are more likely to experience more significant growth delays than shorter and lighter children. A child's growth should be closely monitored for changes from the norm and corrective action taken should significant changes be apparent.
Which drug is more likely to be abused?
Unfortunately, both Ritalin and Vyvanse, as with other medications used to treat hyperactivity, are commonly misused, particularly by high school and college students. Misuse of Ritalin, Vyvanse, and other CNS stimulants has been associated with sudden death, stroke, heart attack, convulsions and psychotic reactions indistinguishable from schizophrenia.
Theoretically, Vyvanse has less abuse potential, because of its pro-drug formulation and need to be in contact with red blood cells before it changes into its active form, dextroamphetamine. Unfortunately, no head-to-head comparison trials comparing the abuse potential of Vyvanse and Ritalin have been done.
References
- Methylphenidate. Drugs.com. Jan 11, 2023. https://www.drugs.com/methylphenidate.html
- Ritalin prices, coupons, and patient assistance programmes. https://www.drugs.com/price-guide/ritalin
- Ritalin LA. Drugs at FDA. https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/021284s016s029lbl.pdf
- Vyvanse (lesdexamfetamine) [package insert]. Revised 07/2023. Takeda Pharmaceuticals America, Inc. https://www.drugs.com/pro/vyvanse.html
- Vyvanse Prices, Coupons and Patient Assistance Programs. Drugs.com https://www.drugs.com/price-guide/vyvanse
- Soutullo C1, Banaschewski T, Lecendreux M, et al. A post hoc comparison of the effects of lisdexamfetamine dimesylate and osmotic-release oral system methylphenidate on symptoms of attention-deficit hyperactivity disorder in children and adolescents. CNS Drugs. 2013 Sep;27(9):743-51. doi: 10.1007/s40263-013-0086-6. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3751426/
- Dittmann RW, Cardo E, Nagy P, et al. Treatment Response and Remission in a Double-Blind, Randomized, Head-to-Head Study of Lisdexamfetamine Dimesylate and Atomoxetine in Children and Adolescents with Attention-Deficit Hyperactivity Disorder. CNS Drugs. 2014;28(11):1059-1069. doi:10.1007/s40263-014-0188-9.
- Faraone SV, Spencer TJ, Kollins SH, and Glatt SJ. Effects of lisdexamfetamine dimesylate treatment for ADHD on growth. J Am Acad Child Adolesc Psychiatry. 2010 Jan;49(1):24-32.
- Adderall (dextroamphetamine saccharate, amphetamine aspartate, dextroamphetamine sulfate, and amphetamine sulfate) [package insert]. Revised 07/2023. Teva Pharmaceuticals USA, Inc. https://www.drugs.com/pro/adderall.html
- Simon K, Worthy SL, Barnes MC, Tarbell B. Abuse-deterrent formulations: transitioning the pharmaceutical market to improve public health and safety. Therapeutic Advances in Drug Safety. 2015;6(2):67-79. doi:10.1177/2042098615569726. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4406920/
Read next
Adderall vs Vyvanse - What's the difference between them?
The main difference between Adderall and Vyvanse is that Adderall is a mixture of four different kinds of amphetamine salts (one of which is dextroamphetamine) while Vyvanse only contains one type of amphetamine salt, called lisdexamfetamine. Lisdexamfetamine gets converted into dexamphetamine once it is in the body. One advantage of Vyvanse is that it may be less likely to be abused; although it is usually more expensive than Adderall, although both have cheaper generic forms available. Because both drugs contain amphetamines, they work in a similar way. Studies have shown that Vyvanse is just as effective as Adderall, and side effects, including the risk of dependence, are similar. Continue reading
How soon for Vyvanse to start working and how long does it last?
For ADHD: In adults, Vyvanse was shown in clinical studies to improve attention at 2 hours and up to 14 hours after taking a dose. In children aged 6-12, Vyvanse was shown to start working within 1.5 hours and up to 13 hours after the morning dose. For binge eating disorder, it can take up to 12 weeks for patients to show a significant reduction in their number of binge days per week. Continue reading
How long does Vyvanse stay in your system?
Dextroamphetamine, the active chemical for Vyvanse, has a half-life of roughly 12 hours. It takes about five half-lives for a drug to be eliminated from your body, so after 60 hours, or 2.5 days, most of the drug is eliminated. However, the half-life and elimination of a drug can vary from person-to-person. Continue reading
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