PT-141 (Bremelanotide)
The only FDA-approved peptide specifically for low sex drive. Works differently from other options — it acts on your brain chemistry rather than blood flow.
This peptide is an FDA-approved drug product that can be legally prescribed by licensed clinicians.
The basics
- Generic Name
- bremelanotide
- Brand Names
- Vyleesi
- Regulatory Status
- Prescribed by Doctors
- Therapeutic Areas
- Reproductive Health
- Prescribing Specialties
- OB-GYN, Sexual medicine
Wellness Goals
What it does
PT-141 (Bremelanotide) is an FDA-approved medication that your doctor can prescribe. Melanocortin receptor agonist that activates MC4R pathways in the central nervous system to increase sexual desire. Unlike PDE5 inhibitors, it acts on brain pathways rather than vascular mechanisms.
How it's taken
Subcutaneous injection (self-administered, as needed)
How people access it
Prescribed as Vyleesi by OB-GYNs or sexual medicine specialists. Self-administered at home using a pre-filled autoinjector. Used as-needed, not daily.
What doctors prescribe it for
- Hypoactive sexual desire disorder (HSDD) in premenopausal women (Vyleesi)
Clinicians may prescribe FDA-approved drugs for off-label uses based on their clinical judgment. Off-label indications have not undergone the same FDA review process as the labeled uses listed above.
How to know it's legit
You can independently verify the FDA-approval status of PT-141 (Bremelanotide) through these free, publicly available databases:
- DailyMed (dailymed.nlm.nih.gov) — Search for Vyleesi to find the current FDA-approved labeling, including indications, dosing, warnings, and contraindications.
- Drugs@FDA (accessdata.fda.gov/scripts/cder/daf/) — Search to find the original approval letter, review documents, and approval history.
- FDA Orange Book (orangebook.fda.gov) — Search for therapeutic equivalence evaluations and patent/exclusivity information.
Common Questions
Vyleesi (PT-141) is FDA-approved only for women with HSDD. Some providers prescribe it off-label for men, but this use hasn't been formally approved by the FDA.
They work completely differently. Viagra increases blood flow. PT-141 works on your brain chemistry to increase desire itself. They address different aspects of sexual health.
Common side effects include nausea, flushing, and headache. Your doctor can help you understand if the benefits outweigh the risks for your situation.
Want to learn more?
Explore how PT-141 (Bremelanotide) compares to other options, or dive deeper into how FDA approval works.
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