For ADHD, take this medication by mouth with or without food, usually once or twice daily or as directed by your doctor. During treatment, your doctor may occasionally recommend stopping the medication for a short time to see whether there are any changes in your behaviour and whether the medication is still needed.
This medication may cause withdrawal reactions, especially if it has been used regularly for a long time or in high doses. In such cases, withdrawal symptoms (such as extreme tiredness, mental/mood changes such as agitation or depression) may occur if you suddenly stop using this medication. To prevent withdrawal reactions, your doctor may reduce your dose gradually. Consult your doctor or pharmacist for more details, and report any withdrawal reactions right away.
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). Do not increase your dose, take it more often, or use it for a longer time than prescribed. Properly stop the medication when so directed.
When used for an extended period, this medication may not work as well and may require different dosing (if taken for ADHD) or stopping the medication (if taken for weight loss). Talk with your doctor if this medication stops working well.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication donot have serious side effects.
Tell your doctor right away if you have any serious side effects, including: blurred vision, signs of blood flow problems in the fingers or toes (such as coldness, numbness, pain, or skin color changes), unusual wounds on the fingers or toes, swelling of ankles/feet, rapid/unexplained weight loss, fast/irregular heartbeat, mental/mood/behaviour changes (e.g., agitation, aggression, mood swings, depression, abnormal thoughts, thoughts of suicide), uncontrolled movements (e.g., muscle twitching/shaking), outbursts of words/sounds, change in sexual