 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  natural substances in the brain. Dextroamphetamine belongs to a class of drugs known as stimulants. It can help increase your ability to pay attention, stay focused on an activity, and control behavior problems. It may also help you to organize your tasks and improve listening skills. How to use Dextroamphetamine 9 Mg/9 Hour Daily Transdermal Patch Read the Medication Guide provided by your pharmacist before you start using dextroamphetamine and each time you get a refill. Read and follow all directions in the Instructions for Use. Learn how to properly use, store, and discard the patches. If you have any questions, ask your doctor or pharmacist. Apply this medication to the skin as directed by your doctor, usually once daily in the morning, 2 hours before you need the effects of this drug. Then remove the patch as directed by your doctor, usually 9 hours later. Applying this medication late in the day may cause trouble sleeping (insomnia). If you apply this patch in the early morning and still have trouble sleeping, your doctor may direct you to remove the patch within less than 9 hours. Carefully follow your doctor's instructions. This medication should be applied to a clean, dry, hairless or nearly hairless area of skin </s>