The Luminalettes 15mg Tablet can be taken with or without food However it is recommended to take it at the same time every day to maintain a consistent level of medication in the body Follow your doctors instructions regarding the dose and duration of the medicine as longterm use can lead to habit formation If you miss a dose take it as soon as you remember It is important not to skip any doses and complete the full course of treatment even if you start feeling better Some common side effects of this medicine include nausea diarrhea hyperactivity depression confusion decreased blood pressure and fatigue It may also cause dizziness and sleepiness so refrain from driving or engaging in activities that require mental focus until you understand how the medicine affects you If you experience severe rashes especially accompanied by fever after taking this medicine consult your doctor immediately Additionally it should be noted that longterm use of this medicine can cause joint pain