Lefsum 20mg Tablet can be consumed with or without food It is important to take it consistently at the same time every day in order to obtain maximum benefits Even if you start feeling better it is crucial to complete the entire prescribed dose as directed by your doctor While using this medication you may experience common side effects such as nausea headache dyspepsia rash diarrhea increased liver enzymes and respiratory tract infection If any of these side effects persist or worsen over time it is advisable to consult your doctor They can provide guidance on ways to manage or prevent these symptoms Before taking this medicine it is essential to inform your doctor about any existing heart kidney or liver problems you may have Additionally disclose all other medications you are currently taking Your doctor may recommend regular blood tests to monitor your liver function and blood counts ensuring the safety of the medication Pregnant and breastfeeding mothers should consult with their doctors before starting this medication to ensure its safety for themselves and their babies