Sexual Desire
Vyleesi treats eligible women with HSDD. However, the FDA has not approved it to enhance sexual performance.
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Bremelanotide
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What Is Bremelanotide?
Bremelanotide is a synthetic peptide that activates melanocortin receptors. Its FDA-approved formulation, Vyleesi®, treats a specific type of low sexual desire.
Approved use: Vyleesi treats acquired, generalized hypoactive sexual desire disorder (HSDD) in premenopausal women when low desire causes distress. Another condition, medication, or relationship problem must not explain that low desire.
Understanding Its Role
Because low desire can have several causes, a medical evaluation helps determine whether bremelanotide or another approach fits your needs.
Melanocortin Signaling
Bremelanotide acts through melanocortin receptors that help nerve cells communicate. It is not a hormone replacement therapy.
Individual Response
Because response varies, your provider reviews your symptoms, treatment goals, and progress rather than promising a particular outcome.
Formulations and Treatment Planning
Your provider will explain the prescribed product, its evidence, and any limitations before treatment.
FDA-Approved Vyleesi
Vyleesi is a subcutaneous injection used as needed before anticipated sexual activity. Follow the product instructions and your prescriber’s guidance.
Other Formulations and Uses
The FDA has not approved nasal sprays or oral troches as Vyleesi formulations. Nor has it approved compounded products. Their safety and effectiveness may differ from the approved injection. Use in men is off-label and has limited supporting evidence.
Men’s Sexual Health and Compounded Options
Men experiencing low desire or erectile concerns can discuss established treatments and off-label options during a private consultation.
Men’s Libido and Erectile Dysfunction (ED)
Researchers have studied bremelanotide (PT-141) for erectile dysfunction. A provider may consider off-label use for selected men with ED or low libido. Libido refers to sexual desire; ED concerns achieving or maintaining an erection. However, evidence in men remains limited, and the FDA has not approved either use. Your provider reviews possible causes and established treatment options first.
Combinations With Tadalafil or Oxytocin
When medically appropriate and legally permissible, a prescriber and licensed compounding pharmacist may discuss a patient-specific formulation containing bremelanotide with tadalafil, oxytocin, or other selected ingredients. The exact combination, route, and availability require pharmacy confirmation.
The FDA has not approved these combinations. Evidence for their combined safety and effectiveness is also limited. Adding ingredients does not necessarily improve results.
Individual review matters. Your provider and pharmacist must assess interactions, blood-pressure effects, and whether an approved medication can meet your needs. The FDA does not review compounded products for safety, effectiveness, or quality before marketing.
Safety Comes First
Review your medical history, blood pressure, current medications, and any pregnancy plans with your provider.
When It Must Not Be Used
People with uncontrolled high blood pressure or known cardiovascular disease must not use Vyleesi. It can temporarily raise blood pressure and lower heart rate.
Side Effects to Discuss
Nausea, flushing, headache, vomiting, and injection-site reactions can occur. Skin darkening is also possible and may not resolve after treatment stops.
Tell your provider about all medications and supplements. Bremelanotide can affect absorption of oral medicines. Review the full prescribing information for warnings, interactions, and instructions.
Melanotan II, Pigmentation, and Skin Safety
Bremelanotide is related to Melanotan II—not melatonin, the hormone involved in sleep.
Related Peptides, Different Products
Bremelanotide (PT-141) is a derivative of Melanotan II. Both act on melanocortin receptors, which participate in sexual signaling and pigmentation. They are not interchangeable, and Vyleesi’s approval does not establish the safety of Melanotan II tanning products.
What the Melanoma Reports Mean
Case reports describe changing moles and melanoma after Melanotan exposure, sometimes alongside tanning-bed use. These reports raise concern but do not prove causation. They also do not establish that prescribed bremelanotide causes melanoma.
Vyleesi can cause focal skin darkening, which may persist after stopping. Skin color changes alone do not prove cancer. However, they still need assessment.
Tell your provider about prior melanoma, atypical moles, or new skin changes. Seek prompt assessment for a new, changing, irregular, or bleeding lesion; a dermatology review may be appropriate. Do not use bremelanotide as a tanning treatment.
Sources: melanocortin pharmacology, Melanotan-associated melanoma case report, and Vyleesi prescribing information.
Your Private Consultation
At Alpha Hormones® in Pasadena, the discussion starts with your concerns and goals.
Understand the Concern
Discuss when symptoms began, how they affect you, and relevant medical, medication, and relationship factors.
Evaluate Possible Causes
Next, your provider reviews your history and decides whether you need testing or another evaluation.
Choose a Next Step
Then discuss suitable options, risks, costs, and follow-up. A consultation does not guarantee a prescription.
Frequently Asked Questions
Is bremelanotide FDA-approved?
Vyleesi is approved for certain premenopausal women with acquired, generalized HSDD. It is not approved for men, postmenopausal women, or sexual-performance enhancement.
How is it administered?
The approved Vyleesi product uses an injection under the skin. In contrast, compounded nasal or oral products are different formulations without FDA approval.
How soon does it work?
Vyleesi’s prescribing instructions call for use before anticipated sexual activity. Response varies; your provider will explain timing and how to assess benefit.
Can men use bremelanotide?
Selected men may discuss off-label use for low libido or erectile dysfunction (ED). These are different concerns and require individual evaluation. Bremelanotide is not FDA-approved for either condition in men, and supporting evidence is limited.
Can it be combined with other sexual wellness medications?
A provider may discuss a patient-specific combination with tadalafil or oxytocin when clinically appropriate and legally permissible. See Men’s Sexual Health and Compounded Options above. Do not combine products without prescriber and pharmacist review.
Is it safe for everyone?
No. Review the safety section above and the full prescribing information. A clinician must evaluate cardiovascular health, medication interactions, and other individual risks.
Where are medications sourced?
Licensed pharmacies fill prescriptions. Before treatment, ask your prescriber which product they recommend and whether it is FDA-approved or compounded.
Will I need lab work?
Testing depends on your symptoms and history. Your provider may recommend evaluation for other causes of low desire before selecting treatment.
Will insurance cover it?
Coverage depends on your plan, eligibility, and the prescribed product. Our team can help review benefits and expected costs.
Can I use HSA or FSA funds?
Eligibility depends on the expense and your plan’s rules. Confirm with your administrator before using funds.
Start a Private Conversation
Meet with our licensed medical team to discuss your sexual-health concerns and options.
Book Your AppointmentImportant Information
This content is educational and does not replace medical advice. Treatment requires individual evaluation, and results vary. See the full Vyleesi prescribing information for approved uses, contraindications, warnings, and instructions.