The Immulef 20 Tablet can be consumed with or without food It is important to take it consistently and at the same time every day in order to receive the maximum benefits from it Even if you start feeling better it is necessary to continue taking the medication as prescribed by your doctor and complete the entire dose There are some common side effects that may occur while using this medication including 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 advised to consult with your doctor They may be able to suggest ways to reduce or prevent these symptoms Before taking this medication it is crucial to inform your doctor about any existing heart kidney or liver problems you may have Additionally make sure to disclose all other medications you are currently taking Your doctor may recommend regular blood tests to monitor the safety of the medication with regards to your liver and blood counts Pregnant and breastfeeding mothers should consult with their doctors before taking this medication to ensure its safety for both themselves and their baby