*An off-label use of a medication is a use that is not FDA-approved. Prescribers can decide to use a medication off-label because, in their professional judgment, they believe it may offer a benefit to someone.
Ritalin (methylphenidate) is a stimulant drug commonly used to manage attention deficit hyperactivity disorder (ADHD) and narcolepsy in children above six years and adults. However, prolonged use of this drug may lead to reduced appetite, weight loss, and slow growth in children. In such cases, it may be necessary to pause the treatment and consult a doctor. Adults taking Ritalin may also experience weight loss due to decreased appetite.
If you want to discuss your current prescription with a provider or are considering a prescription for Ritalin, an online psychiatry platform can be a good place to start. Klarity ADHD and Circle Medical are two online psychiatry platforms that can and will prescribe stimulant medications, which are controlled substances. They can also address concerns about potential weight changes while taking Ritalin.
Boxed Warning: Methylphenidate (Ritalin, Ritalin LA) – Risk of medication misuse or abuse
Methylphenidate, the active ingredient in Ritalin and Ritalin LA, has a black box warning. These are the most serious types of warnings from the Food and Drug Administration (FDA). Methylphenidate has a risk of misuse (abuse) which can lead to dependence on the medication.
Ritalin is a controlled substance, which means that it’s more likely to be misused or cause dependence. There are federal and state laws that limit the amount of medication that can be prescribed or dispensed within a certain period of time.
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What Is Ritalin?
Ritalin (methylphenidate) is a stimulant medication used to treat attention deficit hyperactivity disorder (ADHD) in individuals aged six years and older, as well as narcolepsy in adults.1 Ritalin works by increasing the dopamine and norepinephrine levels in the brain, which helps to improve behavior and attention in people with ADHD. In addition, dopamine activates dopamine receptors (D2R) in GABA neurons, which may lead to increased body temperature and increased calorie burning, potentially resulting in fat and weight loss.2
Does Ritalin Cause Weight Loss?
ADHD medications like Ritalin have long been associated with weight loss, possibly due to their effects on brain and liver growth factors and bone cartilage. Weight loss may result from diminished appetite, reduced food intake, and changes in digestion.3 Growth restriction in children may be gradual and delayed and appears to occur after months of drug treatment.4, 5 However, adults may experience an immediate loss of appetite within hours of initiation of treatment and after only one dose6, 7
Ritalin contains methylphenidate, a short-acting stimulant that acts quickly in just thirty minutes. It is effective for 3 to 5 hours. Other ADHD medications may have long-lasting effects, containing either long-acting methylphenidate or amphetamines with a lasting impact of at least ten hours.8
Weight-related Side Effects of Ritalin
A side effect that may occur is weight loss from using Ritalin, even with low prescribed doses in the first months. This is due to decreased appetite. Studies have shown that Ritalin increases brain dopamine, which reduces craving for certain foods, sometimes even after a single dose.
Side effects of Ritalin use that may lead to weight loss include:*9, 10
- Nausea
- Suppressed appetite
- Vomiting
- Dry mouth (xerostomia)
- Abdominal pain
- Indigesion (dyspepsia)
- Constipation
- Diarrhea
- Reduced weight gain
- Suppression of growth
*All medications, including Ritalin, can cause side effects which can be mild or serious. This is not a comprehensive list of all possible side effects. You should talk with your doctor about any questions you have and to understand the potential side effects and benefits of any medication.
How to Manage Weight Loss on Ritalin
Weight optimization while on Ritalin requires adjusting your diet. Remember that while some weight loss may be a side effect, it is important to discuss with your doctor how your other conditions or personal factors may be involved. Online psychiatry services may be a good option if you need to find a different provider.
Here are 4 ways adults can manage weight loss while taking Ritalin:
- Adjusting the dosage: A lower dose of Ritalin may not affect your appetite as substantially so you may be able to gain weight by an increase in food intake. Do not adjust your dosage on your own. Only a prescriber can gradually reduce your dosage.
- Working with a dietician: A nutrition consult can help individuals meet approximate protein and other nutrients by suggesting small, frequent, high-calorie meals.
- Maintain a daily workout routine: Exercise regularly and consume a high daily calorie intake of healthy foods. Eat before and after the exercise and avoid exercise on an empty stomach.
- Appetite-enhancing drugs: When other options do not help, appetite enhancers (megestrol acetate, dronabinol) may be recommended by your doctor based on the severity of weight loss. However, always talk to your prescriber before using any drug or supplement.11
Do not change medication dosage on your own. Never stop taking medication without speaking with your doctor first. Your prescriber will provide guidance on any dosage adjustments or stoppage of medication.
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Children With ADHD and Appetite
The risk of weight loss while taking Ritalin as a treatment for ADHD in children is associated with decreased appetite and subsequent restricted growth. It is required for parents to closely monitor their child’s development (weight and height) while getting Ritalin treatment. Parents should also watch for signs such as dry mouth, indigestion, nausea, vomiting, diarrhea, or constipation, which can result in poor weight gain.12
If a child is not growing or gaining weight and height as expected, Ritalin may need to be interrupted. Parents must seek guidance from health professionals, such as pediatricians, psychiatrists, and dieticians.
Here are 4 ways to help children and adolescents manage weight loss while taking Ritalin:
- Offer snacks: Encourage individuals to eat nutrient-dense, high-calorie foods they like. They may need to plan times to eat snacks multiple times, even if they aren’t that hungry.
- Plan medication around mealtimes: To avoid abdominal discomfort or nausea, take the drug with or after meals. Always chew well and take it with a full glass of water.
- Drug holidays: A drug holiday is planned drug discontinuation on weekends or during the summer to improve appetite and weight. Do not attempt drug holidays without the guidance of your doctor.
- Dose adjustments: Low doses may be beneficial to minimize weight loss. However, regular monitoring is necessary to ensure that growth is not restricted. A prescriber may adjust the dose if necessary.
Can You Use Ritalin for Weight Loss?
Reduced appetite and subsequent weight loss may be the side effects of Ritalin. But FDA does not approve it as a weight loss aid, nor is it recommended for off-label use. Over time, individuals may develop a tolerance to Ritalin, swaying them to take higher doses to see symptom improvement. However, higher doses can cause side effects, including indigestion, nausea, vomiting, diarrhea, and abdominal cramps. Sometimes, it may even lead to convulsions, coma, or poisoning.
The potential of severe weight loss due to higher-than-prescribed or misused doses of Ritalin is still controversial. While some research studies have found no correlation between Ritalin doses and weight loss severity, others suggest that appetite may decrease significantly as the dose increases (from 18 to 54 mg daily). However, it is important to note that there is no evidence that higher doses of Ritalin lead to faster symptom improvement. In fact, the risks associated with high doses may outweigh any potential benefits.13
Questions to Ask Your Healthcare Team About Ritalin Weight Loss
Some individuals may lose weight during the first few months of treatment. They may notice dry mouth, loss of appetite, and feel sick. Most side effects may disappear within a few weeks of continued use once the body gets adjusted. If they persist and affect your growth (weight and height), contact a doctor, psychiatrist, and therapist about the associated risks of continuing the drug.
Questions to ask your care team about Ritalin weight loss include:
- How can I tell it’s the medication causing weight loss?
- How long will weight loss effects from Ritalin last?
- Am I at risk for increased weight loss or weight gain if I already take other medications, such as antidepressants or anxiety medications?
- Will a previous history of weight loss or weight gain make me more susceptible?
- What is the best dosage to reduce the risk of weight gain or weight loss?
- Are there drugs I am taking that could have increased effects on weight gain or weight loss?
- When should I reach out to you if I am experiencing too much weight gain or weight loss?
- Are there other medications that may have less impact on my weight?
- How is this drug best taken to minimize weight changes?
- Can I take medications for weight gain while taking Ritalin?
- How long does it take to work?
- What to do if I miss a dose?
- Can I adjust the drug dose?
- What if Ritalin is not helping my condition?
- Is there anything else I need to know about this medicine?
In My Experience
In my experience, the maximum dose of medication is not always necessary to find the best balance between its benefits and tolerability for an individual. While some individuals may experience weight loss by taking Ritalin for ADHD, it is critical to understand that Ritalin is not approved for weight loss. Although it does not cause serious side effects, parents must be watchful and consult with health professionals if their children do not grow as expected.
Additional Resources
To help our readers take the next step in their mental health journey, Choosing Therapy has partnered with leaders in mental health and wellness. Choosing Therapy is compensated for marketing by the companies included below.
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