Maxgalin M ER 150 Tablet should be taken orally with or without food preferably at bedtime 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 dosage and duration as this medicine can be habitforming If you miss a dose take it as soon as you remember Complete the full course of treatment even if you start feeling better Do not abruptly stop taking this medication without consulting your doctor Common side effects of Maxgalin M ER 150 Tablet include dizziness and drowsiness so avoid driving or engaging in activities that require mental focus until you know how this medication affects you These side effects are generally mild and improve with time This medicine may also cause weight gain so it is advisable to exercise regularly and maintain a balanced diet Inform your doctor if you experience any unusual changes in mood or behavior new or worsening depression or thoughts of suicide Make sure to inform your doctor about all the other medications you are taking as some of them may reduce the effectiveness of Maxgalin M ER 150 Tablet or alter its effects If you are pregnant planning to become pregnant or breastfeeding discuss this with your doctor