Trulicity vs Yaz: side-by-side comparison
Trulicity (Diabetes Treatment) and Yaz (Hormones and Birth Control) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Trulicity | Yaz |
|---|---|---|
| Active ingredient | Dulaglutide | Drospirenone |
| Manufacturer | Eli Lilly | Bayer |
| Class | Diabetes Treatment | Hormones and Birth Control |
| Strengths | 0.75mg, 1.5mg, 3mg, 4.5mg | 3mg/0.02mg |
| Forms | pre-filled pen | tablet |
What's the same
Trulicity and Yaz are used in very different patients, and the points in common are limited. The main shared element is that both meet regulatory standards for efficacy and safety and benefit from pharmacist oversight.
Key differences
Trulicity belongs to Diabetes Treatment while Yaz belongs to Hormones and Birth Control. Indications, mechanisms and target populations differ. The comparison is most useful when a clinician has mentioned both medications and the patient wants to understand where each fits.
Mechanism and action
Trulicity: After subcutaneous injection, dulaglutide is gradually absorbed and circulates with greater than 99% albumin binding. Yaz: Yaz prevents pregnancy through three mechanisms: ovulation suppression (the dominant effect), thickening of cervical mucus to impede sperm transit, and changes in endometrial receptivity.
When Trulicity is preferred
The medication is indicated in adults with type 2 diabetes mellitus, alone or in combination with other antidiabetic agents, to improve glycaemic control.
When Yaz is preferred
Yaz is approved for contraception in adult women requesting an oral contraceptive, treatment of premenstrual dysphoric disorder (PMDD), and treatment of moderate acne in women aged ≥14 who are also requesting contraception.
Frequently asked questions
Is Trulicity or Yaz better? ▾
Trulicity and Yaz are not interchangeable — they treat different conditions. Asking which is "better" is meaningful only when a clinician has weighed both for the same specific clinical scenario.
Can I switch from Trulicity to Yaz? ▾
Switching between Trulicity and Yaz is rarely an appropriate decision since they belong to different classes and treat different conditions. The real question is usually whether the diagnosis calls for one medication or the other — which the prescriber resolves.
Do Trulicity and Yaz have the same side effects? ▾
No — they belong to different classes and have distinct side-effect profiles. Each medication has its own prescribing information.
More Trulicity comparisons
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.