Quezo 400mg Tablet SR 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 the medication in your body Follow your doctors instructions regarding the dosage and duration of treatment If you miss a dose take it as soon as you remember It is important not to abruptly stop taking this medication without consulting your doctor as it may worsen your symptoms However if you experience symptoms such as fever muscle rigidity altered consciousness or seizures discontinue the medicine immediately as it may indicate Neuroleptic malignant syndrome NMS Some common side effects of this medication include headache dry mouth and constipation Initially it may cause a sudden drop in blood pressure when changing positions so it is advised to rise slowly if you have been sitting or lying down It may also cause dizziness and drowsiness so avoid activities that require mental focus such as driving until you know how the medicine affects you This medication may lead to weight gain but adopting a healthy diet and regular exercise can help reduce this side effect Be cautious while using this medication as it may increase the risk of developing diabetes It is advisable to monitor your glucose levels regularly Inform your doctor if you experience any unusual changes in mood or behavior new or worsening depression or if you have suicidal thoughts while taking this medication