Oxytocin TherapyOxytocin Therapy
A hormone involved in emotional bonding, physical intimacy, and sexual response.
From interest to treatment
A simple, guided process.
- 1
Tell us about yourself
Complete a short medical intake.
- 2
Physician review
A licensed clinician reviews your history and determines if treatment is appropriate.
- 3
Personalized plan
If appropriate, your clinician prescribes your treatment and dosage.
- 4
Delivered to you
Your medication is fulfilled through a licensed pharmacy.
- 5
Ongoing support
We monitor your progress and adjust as needed.
Who Might Consider PT-141 Therapy?
Sexual desire is influenced by hormones, brain chemistry, physical health, and emotional health. When sexual interest changes or becomes persistently low, understanding these underlying factors can help identify appropriate treatment options. PT-141 acts on neurological pathways associated with sexual desire, offering a distinct approach to explore through a personalized medical evaluation.
1
Persistent Low Sexual Desire
A sustained decrease in sexual interest can affect confidence, emotional health, and intimate relationships. PT-141 targets brain pathways involved in sexual motivation and desire, making it relevant to conversations about managing persistent low libido.
2
Differences Between Desire and Physical Arousal
Feeling physically capable of sexual activity doesn't always mean experiencing sexual desire. While some treatments primarily address circulation and physical arousal, PT-141 acts on neurological signals associated with sexual interest, highlighting an important distinction in sexual health.
3
Unexplained Changes in Libido
Changes in sexual desire can occur even when there is no obvious underlying cause. Stress, sleep, medications, hormonal fluctuations, and overall health can all influence libido. A comprehensive evaluation can help identify contributing factors and guide a more personalized approach to treatment.
4
Exploring Options Beyond Hormone Therapy
Not every concern involving sexual desire is related to low estrogen or testosterone. PT-141 acts through brain receptors involved in sexual response rather than replacing sex hormones, offering a different pharmacological approach to consider when exploring sexual health treatments.
More Sexual Health Treatments
Explore our other treatment options that may complement or offer alternatives to PT-141.
TadalafilTadalafil
Improves blood flow to support erectile function.
Explore Our Programs
Discover more specialized treatments and services offered at Fountain
Frequently Asked Questions
Everything you need to know about PT-141 treatment
What is PT-141, and how does it work?
PT-141, also known as bremelanotide, is a medication used to support sexual desire and arousal by acting on pathways in the brain involved in sexual response. Unlike medications such as tadalafil or sildenafil, which primarily improve blood flow, PT-141 works more centrally on desire and arousal. This can make it relevant when the main concern is low libido or reduced sexual responsiveness rather than an issue with blood flow alone.
How is PT-141 taken?
At Fountain, PT-141 is prescribed as a nasal spray that is self-administered at home. Your prescription instructions will explain how many sprays to use, when to take it, how often it may be used, and how to store it properly. Because response can vary, it is important to follow the prescribed dose rather than using additional sprays if the initial effect feels limited. Your clinician may adjust the plan over time based on effectiveness, tolerability, and any side effects.
How quickly does PT-141 work?
PT-141 is typically used before anticipated sexual activity, but how quickly it works can vary from person to person. Your clinician will give you specific instructions for when to use the nasal spray based on your prescribed formulation. Some people may notice changes in desire or arousal sooner than others, and the effect may not feel immediate. If the response feels limited, do not take additional doses outside your prescribed instructions. Your clinician can adjust the treatment plan based on how you respond and any side effects.
What are the most important side effects of PT-141?
The most common side effects can include nausea, flushing, headache, dizziness, and temporary increases in blood pressure. Some people may also experience nasal irritation or discomfort with the spray. Because PT-141 can affect blood pressure, Fountain reviews your cardiovascular history and current medications before treatment. If side effects are significant, persistent, or unexpected, let your clinician know so the treatment plan can be reassessed.
How is PT-141 different from tadalafil?
PT-141 and tadalafil work in different ways and are used for different types of sexual concerns. Tadalafil primarily helps support erections by improving blood flow. PT-141 works more centrally on pathways involved in sexual desire and arousal. For someone whose main concern is low libido or reduced sexual responsiveness, PT-141 may be considered differently than a medication focused primarily on erectile function. Fountain looks at the specific concern first, then considers which treatment approach makes the most sense.
Clinically reviewed by
Last reviewed: October 2026
Dr. Doreen Zarfati is Chief Medical Officer at Fountain Health NYC and a double board-certified psychiatrist. Her work spans mental health, longevity, metabolism and sexual health, with a particular interest in how biological and clinical factors can influence psychiatric symptoms and treatment response. At Fountain, Dr. Zarfati provides clinical oversight of Fountain’s care models, reviewing and approving them for clinical use and guiding how they are applied in patient care. Her work in IV ketamine focuses on neuroplasticity, emotional processing and the thoughtful integration of emerging treatments into structured clinical care. Her approach is individualized, collaborative and grounded in measurable response, with treatment evolving as the patient’s clinical picture changes.
Looking for more answers?
Explore our full FAQ library for common questions about mental health, ketamine, weight management, hormones, sleep, nutrition, billing, and more.
Low Desire? Explore a Different Approach.
Important Safety Information
Compounded medications are available only to patients who are evaluated by a licensed healthcare provider and receive a prescription when medically appropriate. Prescriptions for compounded medications are filled and dispensed by a licensed compounding pharmacy. Compounded medications are not FDA-approved, and the FDA does not review compounded medications for safety, effectiveness, or quality before they are marketed. Individual results may vary. Product images are for illustrative purposes only and may not reflect the actual medication, packaging, vial, or dosage dispensed.