Cymbalta vs Plan B: side-by-side comparison
Cymbalta (Anti-Depressants) and Plan B (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 | Cymbalta | Plan B |
|---|---|---|
| Active ingredient | Duloxetine | Levonorgestrel |
| Manufacturer | Eli Lilly | Foundation Consumer Healthcare |
| Class | Anti-Depressants | Hormones and Birth Control |
| Strengths | 20mg, 30mg, 60mg | 1.5mg |
| Forms | capsule | tablet |
What's the same
Cymbalta and Plan B 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
Cymbalta belongs to Anti-Depressants while Plan B 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
Cymbalta: Cymbalta inhibits the reuptake of both serotonin and norepinephrine at the synapse. Plan B: Plan B's primary mechanism is delaying or preventing ovulation when taken before the LH surge.
When Cymbalta is preferred
Cymbalta is approved for major depressive disorder, generalised anxiety disorder, diabetic peripheral neuropathic pain, fibromyalgia and chronic musculoskeletal pain.
When Plan B is preferred
Plan B is indicated for emergency contraception after unprotected intercourse or known/suspected contraceptive failure, in women of reproductive age.
Frequently asked questions
Is Cymbalta or Plan B better? ▾
Cymbalta and Plan B 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 Cymbalta to Plan B? ▾
Switching between Cymbalta and Plan B 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 Cymbalta and Plan B 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 Cymbalta comparisons
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.