Please consult your doctor for the appropriate dose and duration of Lomaday 400mg Tablet You can take it with or without food but it is recommended to take it at the same time each day Avoid taking antacids with aluminum or magnesium within 2 hours before or after taking this medicine as well as sucralfate or vitaminmineral supplements too close to a dose as these may decrease the effectiveness of the antibiotic It is important to complete the full course of treatment even if you start feeling better Do not double the dose if you miss one simply take the next dose as scheduled Possible side effects of this medicine include headache dizziness nausea and constipation These side effects are usually temporary and should resolve on their own If they persist or bother you for an extended period please consult your doctor You may also experience diarrhea which should stop once you complete the course of treatment However if it does not stop or if you notice blood in your stools inform your doctor immediately If you are allergic to any of the ingredients in this medicine do not take it People with kidney problems should take special care while using this medicine