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Compare Toujeo vs. Humalog

Head-to-head comparisons of medication uses, side effects, warnings, and more.

Key takeaways

Toujeo (insulin glargine) and Humalog (insulin lispro) are both insulins used to manage diabetes, but they have different characteristics. Toujeo is a long-acting insulin that helps control blood sugar levels throughout the day and night, lasting up to 36 hours. It's typically injected once daily. In contrast, Humalog is a fast-acting insulin that starts working within 15 minutes and is used to control blood sugar spikes from meals. It usually requires multiple injections per day. Toujeo is more concentrated, with 300 units/mL, while Humalog is available in concentrations of 100 units/mL and 200 units/mL. Toujeo is only available as a brand-name medication, whereas Humalog has a lower-cost "copy" called Admelog. Both medications can cause low blood sugar and weight gain, but they differ in their dosing schedules and how quickly they act in the body.

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