Take Memantal 5mg Tablet orally with or without food To maintain a consistent level of the medicine in your blood it is recommended to take it at the same time every day If you happen to miss a dose take it as soon as you remember It is important not to skip any doses and complete the entire course of treatment even if you feel better Do not abruptly stop taking this medication without consulting your doctor Inform your doctor about any history of seizures kidney disease heart disease or liver disease Some common side effects of Memantal 5mg Tablet include headaches confusion drowsiness abnormal liver function tests balance disorders and shortness of breath It may also cause dizziness and drowsiness so refrain from driving or performing tasks that require mental alertness until you know how the medication affects you This medicine may lead to diarrhea so make sure to drink plenty of fluids to stay hydrated