• Take this medication by mouth with or without food as directed by your doctor, usually once daily in the morning. If you have stomach upset, you may take this medication with or after a meal or snack. Taking this medication late in the day may cause trouble sleeping (insomnia).
• Before each dose, shake the bottle well for at least 10 seconds. With the bottle adapter in place, use the special measuring device provided to carefully measure the dose. Do not use a household spoon because you may not get the correct dose.
• The dosage is based on your medical condition and response to treatment. Your doctor may direct you to gradually increase or decrease your dose. Also, if you have used it for a long time, do not suddenly stop using this drug without consulting your doctor.
• Take this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day.
• If you suddenly stop using this medication, you may have withdrawal symptoms (such as depression, suicidal thoughts, or other mental/mood changes). To help prevent withdrawal, your doctor may lower your dose slowly. Withdrawal is more likely if you have used methylphenidate for a long time or in high doses. Tell your doctor or pharmacist right away if you have withdrawal.
• When this medication is used for a long time, it may not work as well. Talk with your doctor if this medication stops working well.
• Though it helps many people, this medication may sometimes cause addiction. This risk may be higher if you have a substance use disorder (such as overuse of or addiction to drugs/alcohol). Take this medication exactly as prescribed to lower the risk of addiction. Ask your doctor or pharmacist for more details.

Tell your doctor if your condition does not improve or if it worsens.