 <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. Amphetamine 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 Amphetamine Sulfate 20 Mg Disintegrating Tablet Read the Medication Guide provided by your pharmacist before you start taking amphetamine and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor, usually 1 to 3 times a day. The first dose is usually taken when you wake up in the morning. If more doses are prescribed, take them as directed by your doctor, usually 4 to 6 hours apart. Keep the medication in the original package until you are ready to take a dose. Dry your hands before handling the medication. To remove a tablet, push the tablet through the foil of the blister pack. Place the tablet on your tongue, allow it to dissolve, and swallow with your saliva. You do not need to take this medication with water or other liquid. Do not crush or chew the tablet. The dosage is based on your medical condition, age, and </s>