Can I use an injectable weight loss treatment alongside other weight loss treatments? 25 April 2024 17:05 We do not advise this and will not be able to prescribe if you are taking alternative weight loss medication. Related articles What BMI do I need to be to start treatment? Can I take antibiotics with injectable weight loss treatment? How to get in contact Switching between Wegovy® and Mounjaro® Why do I still have residual liquid in my pen after I finish my doses?