About methylphenidate for adults
Methylphenidate is used to treat attention deficit hyperactivity disorder (ADHD). It is also sometimes used to treat narcolepsy.
It comes as standard (immediate release) tablets and capsules. You can also get extended release (modified or prolonged release) tablets and capsules which releases the medicine into your body gradually.
For children and young people aged 18 years and under, read our information on methylphenidate for children.
Key facts
- Methylphenidate is a controlled drug, which means that you may have to prove your identity when collecting your prescription. You also have to collect your prescription within 28 days.
- Extended release methylphenidate is usually taken once a day. With standard tablets or capsules, your doctor may recommend taking them up to 3 times a day.
- It’s best to stick to the same brand of methylphenidate.
- Do not stop taking methylphenidate suddenly, speak to your doctor first.
- Other brand names for methylphenidate are Tranquilin, Xaggitin and Xenidate
Who can and cannot take methylphenidate uk
Methylphenidate can be taken by most adults. However, it is not suitable for everyone.
Tell your doctor before starting the medicine if you:
- have ever had an allergic reaction to methylphenidate or any other medicine
- have difficulty swallowing – some brands may not be suitable for you
- have heart problems
- have an overactive thyroid
- have a tumour in the adrenal gland (phaeochromocytoma)
- have mental health problems (or a close family member has mental health problems)
- have high blood pressure or problems with blood vessels, such as vasculitis
- have epilepsy
- have tics (sudden muscle twitches of the face or body), or a family history of Tourette’s syndrome
- have glaucoma or are at risk of getting glaucoma
- are trying to get pregnant, are already pregnant or breastfeeding
- have problems with drugs or alcohol
How and when to take methylphenidate
Always follow the instructions that come with your medicine carefully.
How you take your methylphenidate depends on whether the medicine is standard (immediate release) or extended release.
Standard release tablets and capsules
These are also called immediate release, although it can still take a while for the medicine to release into your body. You may not notice any changes in your behavior straight away.
Extended release tablets and capsules
Also called XL, slow, modified or prolonged release.
Extended release tablets and capsules start to work with a first release of the medicine into the body. After that, the medicine continues to release into the body more slowly.
Dosage and strength
The dose you need depends on the type of methylphenidate er taking and what you’re taking it for.
Dose for standard release tablets or capsules
The usual starting dose for adults is 5mg, taken 2 or 3 times a day. For narcolepsy, you will usually take between 10mg and 60mg a day. Your doctor may increase your dose gradually (usually weekly) until they find the dose of methylphenidate that works best for you.
Dose for extended release capsules
The usual starting dose for adults is 10mg, taken once in the morning. Your doctor may increase the dose gradually (usually weekly) until they find the dose that works best for you.
Dose for extended release tablets
The usual starting dose for adults is 18mg, taken once in the morning. Your doctor may gradually increase the dose by 18mg at a time (usually weekly) until they find the dose that works best or you.
How to take it
How to take standard tablets or capsules
Swallow the tablets whole with a glass of water, milk or squash. Do not chew them.
Standard tablets or capsules are usually taken 2 or 3 times a day – in the morning, at midday and in the late afternoon. Leave at least 4 hours between doses.
If you have problems swallowing pills, some brands of standard tablets can be crushed and added to food. For example, if you are taking Medikinet or Ritalin tablets, you can crush them and mix it with a small amount of soft food such as yogurt, honey or jam. Swallow the mixture straight away, without chewing.
How to take extended release tablets or capsules
Swallow the capsules whole with a glass of water, milk or squash. Do not chew them.
Take extended release tablets and capsules in the morning.
If you’re taking the brand called Equasym XL, take it before breakfast. If you are taking Medikinet XL, take it with or after breakfast.
If you have problems swallowing capsules, some brands of methylphenidate extended release capsules can be opened up and added to a small amount of soft food, such as yogurt, honey or jam. Swallow the mixture straight away, without chewing.
What if I’m sick?
If you are sick (vomit) less than 30 minutes after taking methylphenidate, take the same dose again. If you are sick more than 30 minutes after taking your medicine, do not take another dose. Wait until the next dose is due.
If you are sick again, ask your doctor or pharmacist for advice.
What if I forget to take it?
If you forget a dose, skip the missed dose and wait until it’s time for the next dose. Take the next dose as usual.
Do not take a double dose to make up for a forgotten dose.
If you forget doses often, it may help to set an alarm to remind you. You could also ask your pharmacist for advice on other ways to help you remember to take your medicine.
What if I take too much?
The amount of methylphenidate er that can lead to an overdose varies from person to person.
Taking too much methylphenidate can cause symptoms such as:
- being sick
- feeling unusually happy, confused or agitated
- muscle twitching, seizures or fits (shaking, uncontrolled movements
- seeing, feeling or hearing things that are not real (hallucinations)
- a fast, slow or uneven heart beat (palpitations)
- sweating, flushing (red face) or high temperature
- headaches
What are the side effects of Methylphenidate
Like all medicines, methylphenidate can cause side effects, although not everyone gets them.
Methylphenidate side effects
These common side effects may happen in more than 1 in 100 people. Keep taking the medicine, but tell your doctor if they bother you or do not go away:
- headache
- feeling aggressive, irritable, depressed, anxious or tense
- trouble sleeping (insomnia)
- loss of appetite – this can lead to weight loss or poor weight gain
- stomach ache
- dry mouth
- feeling or being sick
Serious side effects
Serious side effects are uncommon and happen in less than 1 in 100 people.
Tell your doctor straight away if you:
- have mood or personality changes
- have thoughts about harming yourself others
- have fast or irregular heartbeats (palpitations)
- start seeing, feeling or hearing things that are not real (hallucinations)
- have started to get facial tics, tell your doctor – these are quick, little movements in the muscles of your face that you cannot control and are sudden – if this starts happening, your doctor will stop your treatment.
Methylphenidate can cause a small increase in blood pressure and heart rate. Your doctor will usually measure your blood pressure and pulse every 6 months.
Serious allergic reaction
It’s extremely rare to have an allergic reaction (anaphylaxis) to methylphenidate er but if this happens to you, stop taking the medicine
How to cope with the side effects of methylphenidate
What to do about:
- headaches – make sure you rest and drink plenty of fluids. Painkillers such as paracetamol can help. Talk to your doctor if the headaches are severe or do not go away.
- feeling aggressive, irritable, depressed, anxious or tense – this may go away as you get used to the medicine. If it doesn’t, speak to your doctor. They may want to recommend a lower dose or try a different medicine.
- trouble sleeping – if you are finding it hard to sleep, try taking the last dose of methylphenidate more than 6 hours before bedtime.
- loss of appetite – it may help to take methylphenidate with a meal. You may notice some weight loss during the first few months of treatment. You will probably put this weight back once you’re used to the medicine. If you notice that you are losing a lot of weight, speak to your doctor.
- dry mouth – this usually gets better quite quickly. Taking sips of water and eating citrus fruits (like oranges or satsumas) can help.
- feeling or being sick (nausea or vomiting) – stick to simple meals and do not eat rich or spicy food if you feel sick. It might help to take methylphenidate with or after a meal or snack. If you are being sick try taking small, frequent sips of water or squash to avoid dehydration. See your doctor if you are being sick or having severe stomach pains.
Pregnancy and breastfeeding
Methylphenidate and pregnancy
Methylphenidate is not usually recommended in pregnancy. However, you may need to continue taking it during your pregnancy to remain well.
Your doctor will be able to explain the benefits and the risks of taking methylphenidate. They can help you decide what’s best for you and your baby.
Methylphenidate and breastfeeding
You can usually take methylphenidate while you’re breastfeeding.
However, this medicine passes into breast milk so your doctor or health visitor will need to monitor your baby. They will check for any signs of side effects, such as your baby being irritable or having problems sleeping.
Taking high doses of methylphenidate may also affect your milk supply when your breastfeeding,
Cautions with other medicines
There are some medicines that can affect the way methylphenidate works.
Do not take methylphenidate if you are taking antidepressants called monoamine oxidase inhibitors (MAOIs), or if you’ve stopped taking them in the last 14 days.
Taking methylphenidate with these medicines can cause a sudden increase in your blood pressure. This could be dangerous. MAOIs include:
- isocarboxazid
- moclobemide
- phenelzine
- tranylcypromine
If you are taking any of the following medicines, talk to your doctor or pharmacist before taking methylphenidate:
- medicines to treat depression or other mental health problems
- medicines for epilepsy
- blood pressure medicines
- medicines to treat or prevent blood clots
Some cough and cold medicines can also affect your blood pressure. Speak to your pharmacist or doctor if you are buying any cough and cold medicines. It’s important to check whether these are OK for you to have while taking methylphenidate.
Mixing methylphenidate with herbal remedies and supplements
There might be a problem taking some herbal remedies and supplements alongside methylphenidate, especially ones that cause sleepiness or a dry mouth, or make it difficult to pee.Melatonin 5mgRohypnolTemazepam 20mgLorazepam 2mg
methylphenidate - Medsforsale
Methylphenidate is used to treat attention deficit hyperactivity disorder (ADHD). It is also sometimes used to treat narcolepsy.
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