How do ADHD medications affect your brain? (Noradrenergic Medicines for ADHD)

How do ADHD medications affect your brain? (Noradrenergic Medicines for ADHD)

Do you have trouble staying focused on one thing for too long? Or do you find it hard to control your impulses? Maybe these are familiar to you. These are common symptoms of a condition we call ADHD ( Attention Deficit Hyperactivity Disorder). Medication is a very important part of treating this condition. So today we'll talk about ADHD medications, especially those that affect the chemicals in your brain, just like you would talk to a friend.

What exactly is ADHD?

Simply put, ADHD is a mental health condition that is common in childhood. It is characterized by difficulty paying attention , sometimes by hyperactivity, and by impulsive behavior.

Some children outgrow this condition as they get older. But some may continue to have these symptoms into adulthood. Sometimes, ADHD is not recognized in childhood and is only discovered in adulthood.

When treating ADHD in adults, one or more of the following are usually used together:

  • Medication
  • Counseling or therapy
  • Life skills training
  • Education about this condition

Of these treatments, many of the medications given for ADHD directly affect the noradrenergic system in our brain. Now let's take a look at what that is.

The connection between ADHD and brain chemicals

Imagine that our brain is like a big office with millions of employees working in it. The employees in this office are nerve cells called neurons. These employees use a special group of 'postmen' to talk to each other and exchange messages. In medicine, we call these postmen neurotransmitters .

One of these neurotransmitters is norepinephrine . It is produced and distributed throughout the brain by the noradrenergic system. Norepinephrine's main job is to keep you alert, focused, and help you think clearly . It is also the chemical that prepares your body for the fight-or-flight response when you are in danger or threatened.

Experts believe that one cause of ADHD is an imbalance in the noradrenergic system. That is, the brain doesn't have enough of a chemical called norepinephrine. What happens then? The prefrontal cortex, which controls important things like attention, emotion regulation, and decision-making, doesn't get the right messages. Just like an office manager who doesn't get the right messages gets distracted.

It is believed that low levels of norepinephrine and another important neurotransmitter , dopamine, may contribute to the symptoms of ADHD, such as hyperactivity , inattention, and impulsivity.

How do these medications treat ADHD?

Noradrenergic medications for ADHD work primarily by increasing the amount of norepinephrine in the brain. There are two main types of these medications: stimulants and non-stimulants .

1. Stimulants

Doctors most often recommend stimulant medications to treat ADHD. These work by stimulating certain cells in the brain to produce more norepinephrine and dopamine. This is where the name 'stimulant' comes from. These medications have been used successfully for ADHD for decades.

2. Non-stimulants

These belong to a class of drugs called SNRIs (Selective Norepinephrine Reuptake Inhibitors). Examples include Atomoxetine (Strattera) and Viloxazine (Qelbree). These increase norepinephrine levels in a different way than stimulants.

Simply put, these drugs block the reuptake of norepinephrine from nerve cells. This increases the amount of norepinephrine that is free between nerve cells, improving brain function.

Research has shown that both stimulant and non-stimulant medications significantly improve symptoms of ADHD, such as memory, attention, and behavioral control.

Type of medicine Commonly used examples (brand names)
Stimulants - Methylphenidate group Concerta, Ritalin, Focalin, Daytrana
Stimulants - Amphetamine group Adderall, Vyvanse, Dexedrine, Evekeo
Non-stimulants - SNRI group Strattera (Atomoxetine), Qelbree (Viloxazine)

How do you choose the right medicine for you, doctor?

The best ADHD medications can reduce symptoms by about 80%. But the problem is, even your doctor can't tell you exactly which medication will work best for you. Finding the right medication for you can take some time and a lot of trial and error .

Usually, the doctor will start with a low dose of a stimulant. If that doesn't work, they will increase the dose a little. If that doesn't work, they may switch to a different medication.

Remember, it can take anywhere from 3 to 6 months to find the right medication for you that controls your symptoms, doesn't have major side effects, and works for you. So don't panic. That's normal. Be patient and work with your doctor.

Even the best ADHD medication isn't a cure-all. Sometimes, for the best results, you need to combine medication with counseling, exercise, and lifestyle changes.

What are the side effects of this medication?

Like any medication, ADHD medications can have side effects. Some people don't experience any side effects. For others, the side effects can be so severe that they make it difficult to stop taking the medication. The most important thing is to talk to your doctor about any side effects you experience.

Type of medicine Common side effects
Stimulants
  • Difficulty falling asleep
  • Appetite
  • Weight loss
  • Dizziness
  • Headache and stomach ache
  • Irritability/anxiety as the medication wears off
Non-stimulants
  • Nausea
  • Stomach ache
  • Appetite
  • Weight loss
  • Fatigue/sleepiness
  • Mood swings
  • If you experience any of these side effects, tell your doctor. Some of them will go away after a few days as your body adjusts to the medication. If they persist and bother you, your doctor may change the dose or switch you to another medication.

    Take-Home Message

    • ADHD is a treatable condition. You are not alone, there are many people who face this.
    • Medications are a very important part of ADHD treatment. They help balance brain chemicals and improve your attention and control.
    • There are several types of medication. If one doesn't work, you can try another.
    • It's normal to take some time to find the right medication and dosage for you, so be patient.
    • Very important: If you have any questions about the medication or side effects, be sure to talk openly with your doctor. Don't make assumptions.

    ADHD, ADHD medication, Noradrenergic medicines, Norepinephrine, mental health, attention, stimulant

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