Drug(s) used in treatment of attention-deficit hyperactivity disorder -a) Atomoxetineb) Methylphenidatec) Dexmethylphenidated) Quetiapinee) Dextroamphetamine
**Core Concept**
The treatment of attention-deficit hyperactivity disorder (ADHD) involves the use of **central nervous system stimulants** and **non-stimulant medications**. These drugs work by increasing the levels of **dopamine** and **norepinephrine** in the brain, which helps improve attention and decrease impulsivity and hyperactivity.
**Why the Correct Answer is Right**
The correct answer includes **Atomoxetine**, **Methylphenidate**, **Dexmethylphenidate**, and **Dextroamphetamine**, which are all used in the treatment of ADHD. **Methylphenidate** and **Dexmethylphenidate** are **central nervous system stimulants**, while **Atomoxetine** is a **non-stimulant medication** that selectively inhibits the **norepinephrine transporter**. **Dextroamphetamine** is also a **central nervous system stimulant**.
**Why Each Wrong Option is Incorrect**
**Option D:** **Quetiapine** is an **atypical antipsychotic** and is not typically used as a first-line treatment for ADHD.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that **stimulant medications** are effective in treating ADHD, but they can have **side effects** such as insomnia and anxiety. **Non-stimulant medications** like **Atomoxetine** can be used as an alternative.
**Correct Answer:** B. a, b, c, e