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Table of Contents


Concerta is also known as methylphenidate. It is a psychostimulant that has been registered as a medicine since the 1960s.

There are several brand names under which Methylphenidate is released such as Medikinet, Ritalin and as you can guess, Concerta.

Methylphenidate (Concerta) resembles an amphetamine, the difference between them is that amphetamine contains a piperidine core instead of a phenylethylamine nucleus.

In the year 2000, about 178,000 recipes were issued in the Netherlands, and in 2010 this was already 980,000 times.

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Table of Contents

  • 1.1. The properties of Methylphenidate in the brain
  • 2.1. What is Methylphenidate or Concerta used for?
  • 3.1. Concerta dosages
  • 4.1. The side effects and risks
  • 5.1. What things can you do or not do while taking Concerta
  • 6.1. I have been prescribed Concerta, how do I use it?
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The properties of Methylphenidate in the brain

Methylphenidate (Concerta) is a wekamine that causes the release of dopamine in the brain, which converts to noradrenaline.

The substance Methylphenidate inhibits the norepinephrine and dopamine replication task transporters in the brain. In this way, less noradrenaline and dopamine are reabsorbed from the brain, compensating for a shortage of substances.

In addition to Concerta there are several drugs that contain Methylphenidate. These are;

  • Concerta
  • Ritalin
  • Medikinet
  • Kinectene
  • Medikinet CR
  • Equasym XL

What is Methylphenidate or Ritalin used for?

Methylphenidate (Concerta) has a stimulating effect on the central nervous system and increases concentration.

In this way, people with ADHD are calmer and less easily distracted. Methylphenidate (Concerta) is not a healer, but it does relieve symptoms.

Methylphenidate (Ritalin) is given in people (including children) with ADHD or narcolepsy.

There are also people who take Ritalin without having narcolepsy or ADHD. These people have no medical need and use Ritalin as a drug. They do this because Ritalin or the substance Methylphenidate is related to amphetamine.

Ritalin is also used as a party drug or when exam weeks are just around the corner. These people use this because it would have a positive effect on their concentration, while it is not tolerated to use Ritalin without a prescription.

One of the effects is the reduction of impulsive behavior. There are many people who use concerta to chill out because it’s not a problem but I don’t come alone. So use concerta for recreational use.

Methylphenidate in ADHD

Methylphenidate is used in ADHD, also known as attention deficit hyperactivity disorder.

Characteristic of people with ADHD are concentration problems, being impulsive, being very active and exercising a lot.

ADHD is usually discovered in children, but adults can also have ADHD and women are often diagnosed much later. This is because ADHD in women often plays the most inside or mental role and it is not obvious in their behavior. ADHD is also more common in people with intellectual disabilities or autism.

ADHD also occurs in children, ADHD children can also receive medication and usually follow a long-term treatment with an extensive treatment program.

In addition to medication, people with ADHD often receive behavioral therapy in order to learn to deal with the disorder. As mentioned earlier, Methylphenidate (Ritalin) is not a solution, but a symptom-killer or aid, but behavioral therapy can work better by supporting Methylphenidate (Ritalin).

After the diagnosis, the doctor may decide to prescribe Methylphenidate (Ritalin), although there is a higher chance of side effects in adults than in children. The active ingredient is methylphenidate hydrochloride and after a few weeks of trying, the doctor will check again to see how things are going and whether it is necessary to continue or adjust the medication.

Methylphenidate in narcolepsy

Narcolepsy is a sleep-wake disease in which someone suddenly falls asleep and cannot control this and thus has uncontrollable sleep attacks.

This can happen throughout the day and usually starts between the ages of 15 and 35, but it can start at other ages as well. To date, no cure has been found for narcolepsy, but it can be made more bearable with the help of Methylphenidate (Ritalin). During a narcolepsy attack, the muscles also relax, this can be triggered by laughing loudly or becoming very angry and someone literally falls asleep on the floor.

Methylphenidate (Ritalin) has a stimulating effect and can prevent most sleep attacks or give someone the strength to suppress them so that fewer accidents happen.

The doses of Concerta

Concerta is an extended release agent, which means that you usually only need 1 tablet and gradually release it into the body throughout the day.

Also, children under 6 years old should not take this medicine. Concerta is in tablet form, these extended release tablets can be taken with some food beforehand if you have a sensitive stomach.

Amount information

  • Concerta 18 mg tablets extended release methylphenidate hydrochloride
  • Concerta 36 mg tablets extended release methylphenidate hydrochloride
  • Concerta 54 mg tablets extended release methylphenidate hydrochloride

The side effects of the drug Concerta with long-term use:

If you have to use the medicine Concerta regularly for a longer period of time, unfortunately it is not yet well known what effects this has on your health. Your doctor will monitor you closely and check your weight and height values ​​regularly. If this shows abnormalities, you will have to temporarily stop taking Concerta. The use of the drug Concerta is not without risks or side effects. Using Concerta in adulthood indefinitely is always something to keep a close eye on. The side effects will be mentioned below.


You should not use Concert if you experience:

  • Glaucoma
  • Allergy to methylphenidate hydrochloride
  • Gilles de la Tourette or if this occurs in your family
  • Hyperthyroidism
  • Angina pectoris
  • Heart rhythm problems
  • An eating disorder such as Anorexia Nervosa
  • Suicide feelings
  • Depressive symptoms or severe depression
  • Being pregnant
  • Psychotic symptoms such as hallucinations or hearing sounds that are not there

You should take special care with Concerta if you experience:

  • Swallowing problems with tablets
  • Narrowing of the gastrointestinal tract
  • Heart disease
  • Motor tics, existing tics
  • Seizures, such as epilepsy
  • Suddenly showing aggressive behavior
  • High blood pressure
  • Blurred vision or other visual disturbances

What to do in case of an overdose, i.e. when an extra dose of Concerta has been taken:

If you have taken a dose too much, it is necessary to immediately contact your doctor or the emergency department, it is important to mention how many tablets have been taken.

These things can appear with an overdose:

  • confusion, also think of hallucinations
  • vomiting
  • headache and fever
  • irregular heartbeat
  • dry mouth and dry nose
  • abnormal thoughts

As with any drug, some side effects can occur. These will be highlighted below.


Possible side effects most common:

  • excessive sweating
  • psychomotor hyperactivity
  • anaphylactic reactions
  • It can worsen thinking disorders
  • tingling sensation in limbs
  • reduced libido
  • emotional lability
  • Cough
  • Diarrhea
  • Insomnia


The side effects are uncommon

  • decreased appetite
  • elevated blood pressure
  • Clogging
  • Hair loss
  • Heart murmur
  • Blurred view
  • Swallowing problems
  • suicidal behavior
  • dry eyes
  • speak confused
  • cold hands and feet
  • psychotic disorders
  • increased risk of heart problems

Rare side effects:

  • cerebral vasculitis, if this happens see a doctor immediately
  • Exfoliative dermatitis
  • Red skin
  • Excessive sweating


Possible side effects that have been reported, but their frequency has not been recorded:

  • Confusion
  • Reduction of red blood cells
  • Chest pain
  • seizures

Side effects of another medicine containing Methylphenidate:

  • Closure or inflammation of the arteries
  • Growth retardation when used long-term in children
  • Liver failure leading to coma
  • Involuntary muscle spasms in neck, eyes or whole body

If you notice any of these side effects get serious or if anything not listed in this leaflet happens, tell your doctor right away or call the casualty department for more information.

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Find more information about, for example, interactions on the pharmacotherapeutic compass.

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Which things can and cannot be done with Ritalin (Methylphenidate)

Can I drive?

Ritalin or any other medication containing Methylphenidate can cause anxiety, dizziness, drowsiness and nervousness. If you suffer from any of these side effects, you should not drive. This is because it can be dangerous to drive with these side effects if you are taking these drugs. When you just start taking medication, these side effects are the worst, even when you change the dose, more side effects can arise.

If you have Narcolepsy or ADHD, this can already be a reason why you are not allowed to drive, always ask your treating doctor if this is the case.

Can I drink alcohol while taking Concerta (Methylphenidate)?

The side effects of Concerta (Methylphenidate) are enhanced by alcohol. In addition, alcohol also influences judgment, so be careful with your alcohol intake.

Can I combine Concerta (Methylphenidate) with other medications?

Ritalin (Methylphenidate) interacts with other medications. The main ones to consider are Tranylcypromine and Phenelzine. These are medicines for depression, when you combine them there is a risk of extremely high blood pressure. So consult your doctor before you simply combine medication, and be extra careful.

Can I take Concerta (Methylphenidate) if I am pregnant or breastfeeding?

Too little research has been done on what Ritalin (Methylphenidate) does in women who are pregnant.

Always consult your doctor or pharmacist if you are pregnant or planning to become pregnant.

On the basis of this, they will discuss with you the possible risks to you and the baby. Or discuss what will happen when you stop taking this medicine if you are already taking it.

If you are breast-feeding or want to start breast-feeding, consult your doctor or pharmacist again about what is the most sensible thing to do. Ritalin enters breast milk, and thus also enters the baby.

Unfortunately it is not yet known whether this is harmful, it is possible that your doctor will look at another medicine when using Ritalin or using Methylphenidate.

In addition to Ritalin, you can also order different types of powders, pellets and blotters!

I have been prescribed Concerta, how do I use it?

Concerta is available in different amounts, the number of mg you are prescribed depends on the doctor. In the drug Concerta the active substances Methylphenidate. Only a psychiatrist should prescribe this drug. You can be prescribed these possible amounts:

  • Concerta 18 mg tablets extended release methylphenidate hydrochloride
  • Concerta 36 mg tablets extended release methylphenidate hydrochloride
  • Concerta 54 mg tablets extended release methylphenidate hydrochloride

The advantage of the drug Concerta, as mentioned before, is that they are prolonged-release tablets. Extended-release tablets mean that you only need to take a tablet once or twice a day instead of every 2 hours as can occur with Ritalin.

It is best to take Concerta in the morning. You can take Concerta with half a glass of water and swallow it whole without chewing the tablet. The reason for this is that the medicine Ritalin has a protective layer that ensures that the active substance Methylphenidate is slowly released into the body during the day.

Never take a last dose later than 4 hours. Otherwise you will experience sleeping problems. This drug is available by prescription and there are people who have used this drug for many years. You may experience shaky hands while taking this medicine. People with adhd really like it, it creates a protective layer from the outside.

A high dose can lead to more side effects and can cause you to tremble and have trouble falling asleep. That will bother you the next morning. Do not abuse and follow the daily dosage as prescribed or recommended. People taking this drug also report that they sometimes have blurred vision

If you abuse drugs then the tables will turn and you will be abused by drugs. You cannot start a lawsuit against that and you will have to accept the consequences.

If you do break the layer, the active substance will unintentionally be released simultaneously and this can be dangerous and cause an overdose!

If you already suffer from psychological complaints, this can worsen if you take Ritalin. It affects alcohol consumption and can worsen the side effects.

If you get complaints such as an accelerated heartbeat, excessive sweating, headache or other complaints mentioned above, always call your doctor. Over time, the side effect may diminish because your body still needs to get used to it.

Like any drug, Ritalin can cause side effects, but if you notice repetitive behavior or complaints, this is something to be aware of.

I want to buy Concerta for research, is this possible?

Ritalin or the active ingredient Methylphenidate are not readily available, they must be prescribed by a psychiatrist or attending physician.

It is possible to supply the research chemical 4F-MPH to buy. The structure of this substance is identical to Methylphenidate.

Stick to the correct dosage in everyday life. You can get side effects quickly, stopping at once can cause withdrawal symptoms especially if you take this for a long term. Contact a doctor if you have any problems.

We only sell research chemicals for research purposes and not for human use or consumption!

With us you can be sure that you will receive your order in a safe and discreet manner. You can read more about our products and their description on the website!

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