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methylphenidate 18mg online

methylphenidate 18mg online, sold under the trade name Ritalin among others, is a stimulant medication used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It is a first line medication for ADHD. It may be taken by mouth or applied to the skin. Different formulations have varying durations of effect.

Common side effects include trouble sleeping, decreased appetite, anxiety, and weight loss. More serious side effects may include psychosis, allergic reactions, prolonged erections, abuse, and heart problems.  Methylphenidate is believed to work by blocking dopamine and norepinephrine reuptake by neurons.Methylphenidate is a central nervous system (CNS) stimulant of the phenethylamine and piperidine classes.

How it works
What does methylphenidate do?

Methylphenidate is a central nervous stimulant, sometimes called a CNS stimulant, which makes more noradrenaline and dopamine available in your brain.

It might seem odd that you would use a stimulant as a treatment for hyperactivity, but in people with ADHD, stimulant medicines do not make them more active (as they do in other people). Instead these medicines make them better able to focus.

Methylphenidate stimulates centres in the brain that are underactive in people with ADHD, such as the bits of the brain involved with concentration.

Methylphenidate helps people with ADHD to increase their attention span and concentration. It also helps them to stop acting on impulse without thinking.

Methylphenidate works by blocking noradrenaline and dopamine (two chemicals in the brain that carry messages between nerve cells) from being taken back up into the nerve cells in the brain after being released. This results in higher levels of noradrenaline and dopamine between the nerve cells and allows these chemicals to hang around for longer.

Having higher levels of noradrenaline and dopamine in the brain affects different parts of the body, including the heart, the gut, and the lungs. Overall, this leads to the good effects of the medicine, but it can also produce unwanted side effects. It is hard to control how much of each effect someone will experience, as every person is different.

In people with narcolepsy, the action of methylphenidate (as explained above) helps them to stay awake and alert.

How long does methylphenidate take to start working?

It can take a few weeks for methylphenidate to show its full effect.

You should see improvements in your concentration and other symptoms within one month of starting the medicine.

Your doctor might start you on a low dose and then increase it slowly over two to four weeks to your full dose.

How long will I need to take methylphenidate?

Many people take methylphenidate for a year, and then check to see if they still need it. You and your doctor should talk about how long you need to take methylphenidate.

After a year, the doctor may stop the medicine (this is known as a drug ‘holiday’) to see if you still need it. They will probably do this during a holiday if you are at school.

Some people find that they need to take methylphenidate for several years.

Medication is just one part of treatment for ADHD. Methylphenidate is prescribed as part of a wider treatment plan including educational, social and psychological counselling.

Methylphenidate side effects

Get emergency medical help if you have signs of an allergic reaction to methylphenidate: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • signs of heart problems – chest pain, trouble breathing, feeling like you might pass out;
  • signs of psychosis – hallucinations (seeing or hearing things that are not real), new behavior problems, aggression, hostility, paranoia;
  • signs of circulation problems – numbness, pain, cold feeling, unexplained wounds, or skin color changes (pale, red, or blue appearance) in your fingers or toes;
  • a seizure (convulsions);
  • muscle twitches (tics);
  • changes in your vision; or

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