Why do I still have residual liquid in my pen after I finish my doses? 26 April 2024 07:26 Each weekly dose is 0.6ml, totalling 2.4ml over 4 weeks. The total liquid in the pen is 3ml, allowing 0.6ml for priming. Related articles Can I skip to a higher dose of Mounjaro®? What if I can’t tolerate my new dose? How do I assemble the pens? How long does a pen last? How to get in contact