Introduction
Bremelanotide, also called PT-141, is FDA-approved as Vyleesi for acquired, generalized HSDD in premenopausal women. In the phase 3 trials, the most common reactions were nausea at 40%, flushing at 20.3%, injection-site reactions at 13.2%, headache at 11.3%, and vomiting at 4.8%.
The label reports a temporary blood-pressure rise after each dose and contraindicates use with uncontrolled hypertension or known cardiovascular disease. Chest pain, stroke-like symptoms, fainting, severe allergy, or persistent severe vomiting needs urgent assessment.
The common side effects have published rates
In the phase 3 bremelanotide trials, nausea occurred in 40% of participants, flushing in 20.3%, injection-site reactions in 13.2%, headache in 11.3%, and vomiting in 4.8%. These are the clearest common-effect rates for the FDA-labeled treatment population.
Chest pain, stroke-like symptoms, fainting, severe allergy, or severe or persistent vomiting require urgent assessment. The label also describes temporary blood-pressure increases and heart-rate decreases after use.
The FDA indication defines who was studied
The Vyleesi label indicates bremelanotide for acquired, generalized hypoactive sexual desire disorder in premenopausal women when low desire causes marked distress or interpersonal difficulty and is not due to a coexisting medical or psychiatric condition, relationship problems, or a medication or drug substance.
The label states that it is not indicated for postmenopausal women, men, or enhancement of sexual performance. Those limits matter when a telehealth page uses the broader term PT-141.
| Question | What the source supports |
|---|---|
| Who was studied? | Premenopausal women with HSDD in the pivotal trials. |
| What was measured? | Desire and distress outcomes, with adverse events. |
| What is not established? | Use for men, postmenopausal women, or performance enhancement. |
| What product context applies? | FDA-labeled Vyleesi, not any assumed equivalent product. |
Side effects and warning context
In the phase 3 trials, nausea, flushing, and headache were more common with bremelanotide than placebo. The FDA label also describes temporary increases in blood pressure and decreases in heart rate after use, along with contraindications and medication-interaction considerations.
Those facts are reasons for clinician review, especially for people with cardiovascular concerns, uncontrolled hypertension, interacting medicines, pregnancy potential, or an unclear diagnosis. They are not a side-effect checklist for self-triage.
Eligibility is more than a desire score
Low desire can have medical, psychological, relationship, medication, pain, sleep, hormonal, and life-context contributors. The label's criteria are specific because treatment should not substitute for evaluating another cause.
A responsible telehealth intake asks the questions needed to distinguish an approved-use discussion from a broad sexual-performance checkout flow.
FDA-approved product versus provider-market listing
A provider may use the term PT-141 for a compounded product or a different commercial pathway. That does not make the product the same as FDA-approved Vyleesi, and it does not extend the labeled indication.
An editorial comparison should label the product status and never turn the phase 3 regimen into instructions for another formulation.
When to seek care
Chest pain, stroke-like symptoms, fainting, severe allergic symptoms, severe or persistent vomiting, or another urgent concern needs prompt medical evaluation. Do not wait for a portal reply if symptoms are severe.
For non-urgent questions, contact the prescribing clinician, who can interpret the actual product, indication, medicines, and health history.
This page does not provide a PT-141 protocol, injection timing, dosing, or compounded-vial calculation.
The trial measured desire and distress, not generic performance
RECONNECT studied premenopausal women with acquired, generalized hypoactive sexual desire disorder over 24 weeks. It measured sexual desire and distress outcomes. That is why Vyleesi's label is specific about the indicated population and says it is not for men, postmenopausal women, or enhancement of sexual performance.
The distinction matters for reader intent. A broad PT-141 marketing claim about performance or erectile dysfunction does not inherit evidence from a trial that studied a different population and outcome.
Eligibility requires a real HSDD assessment
The labeled definition excludes low desire explained by a coexisting medical or psychiatric condition, relationship problems, or a medication or drug substance. That calls for an intake that asks about those contributors rather than treating a low-desire questionnaire as proof of a drug indication.
A provider should also say whether it offers FDA-approved Vyleesi or a compounded product and should not present one as interchangeable with the other. That product-status fact belongs beside the benefit and safety discussion.
Common questions
- Is PT-141 FDA-approved for men?
- No. The FDA-approved Vyleesi indication is for acquired, generalized HSDD in premenopausal women meeting label criteria.
- Is bremelanotide a performance enhancer?
- No. The label states it is not indicated to enhance sexual performance.
- What side effects appeared in phase 3 trials?
- Nausea, flushing, and headache were more common with bremelanotide than placebo; the label also includes cardiovascular and interaction information.
- Can I use the trial regimen as a PT-141 injection plan?
- No. Trial and label material are evidence descriptions, not personalized dosing or compounded-vial instructions.
Keep the claim inside the labeled and studied population
Bremelanotide has an FDA-approved use with defined limits. PT-141 marketing that promises broader performance outcomes needs evidence it does not inherit from those trials.
Sources
- Vyleesi labelFDA · Accessed 28 August 2026
Indication, limitations, contraindications, warnings, and interaction information.
- RECONNECT phase 3 trialsObstetrics & Gynecology · Accessed 28 August 2026
Randomized trial evidence and common adverse-event findings.
- RECONNECT extensionObstetrics & Gynecology · Accessed 28 August 2026
Open-label longer-term follow-up with its design limitations.
- Vyleesi approval letterFDA · Accessed 28 August 2026
FDA approval record for the branded product.
- Bremelanotide HSDD trial searchClinicalTrials.gov · Accessed 28 August 2026
Registry discovery path for current trial-record verification.
Refresh triggers
- Vyleesi label or availability update
- New randomized indication-specific trial
- Provider product-status change
