How can I tell when Lantus pen is empty, it's supposed to have 100 units. I have used 5x's 10 units? Posted on 06-Aug-2023 - Last updated: 06-Aug-2023 But it still has medicine in it, please help. Share this Article Featured questions How do I change the cartridge in a lantus solostar pen? How many pens needed for 26 units a day? I have the Lantus SoloStar pen 100 units/ml (u-100). 3 ml? Do I really need to take my insulin same time everyday? Lantus Solostar - I take 16 units a day of lantus... how many pens do I need to last me 3 months? Hi- I am type 2 diabetic, have been taking lantus solostar for over a year and it just isn't? Lantus Solostar - Can the Solostar be shipped to me in an unrefrigerated method of transportation.? How many Lantus SoloStar pens 100 Units/mL at 70 units a day be needed for a 90 supply? How to refill cartridge for LANTUS SOLOSTAR? how soon should you eat after taking a dose of Lantus Solostar? How do I refill a lantus solostar pen? Lantus Solostar - Will lantus-solostar cause hard stool and constipation? Can these drugs be used in Thalassemia patients? Related Drugs Cerave Diabetics Dry Skin Moisturizing Relief (Topical emollients) Cerave Baby Moisturising (Topical emollients) Cerave Baby Healing (Petrolatum topical) Centrum Silver Women 50+ (Multivitamins and minerals) Centrum Minis Women (Multivitamins and minerals) Capvaxive Pf Prefilled Syringe (Pneumococcal 21-valent conjugate vaccine) Soluvita (Multivitamins with fluoride) Tyenne Prefilled Syringe Tyenne Autoinjector Tyenne (Tocilizumab) Tarlatamab Talzenna Liquid-Filled (Talazoparib) Norgestrel Iqirvo (Elafibranor) Imetelstat