Qutan SR 400 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 this medication If you miss a dose take it as soon as you remember Its important to not stop taking this medication suddenly without consulting your doctor as it may worsen your symptoms However if you experience Neuroleptic malignant syndrome NMS characterized by fever muscle rigidity altered consciousness or seizures discontinue the medicine immediately Common side effects of Qutan SR 400 Tablet include headache dry mouth and constipation Initially this medication may cause a sudden drop in blood pressure when changing positions so its advisable to rise slowly if you have been sitting or lying down It may also cause dizziness and drowsiness so avoid driving or engaging in tasks that require mental focus until you know how the medicine affects you This medication may lead to weight gain but adopting a healthy diet and exercising regularly can help reduce this side effect Be cautious while using this medicine as it may increase the risk of developing diabetes Regularly monitor your glucose levels and inform your doctor if you notice any unusual changes in mood or behavior new or worsening depression or suicidal thoughts while taking this medicine