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 Tadalafil?
Erectile dysfunction can affect men at different stages of life and may be influenced by circulation, hormonal changes, medications, or underlying health conditions. Tadalafil offers a clinically established approach to improving erectile function, with treatment options that can be tailored to individual needs and lifestyles.
1
Difficulty Achieving or Maintaining an Erection
Difficulty getting or maintaining an erection can affect sexual satisfaction, confidence, and intimate relationships. Tadalafil improves blood flow to the penis during sexual stimulation, helping men achieve and maintain erections sufficient for sexual activity.
2
Greater Flexibility Around Intimacy
For some men, planning sexual activity around medication timing can feel restrictive. Tadalafil offers a longer duration of action, with effects lasting up to 36 hours after an as-needed oral dose. This provides greater flexibility for intimacy without requiring sexual activity immediately after taking the medication.
3
Erectile Changes Associated With Health and Aging
Erectile function can change over time due to factors such as cardiovascular health, diabetes, medications, and hormonal fluctuations. Tadalafil addresses the blood-flow component of erectile dysfunction, while a comprehensive medical evaluation can help identify other factors influencing sexual health.
4
Sexual Confidence and Intimacy
Erectile dysfunction can affect more than physical performance, influencing confidence, sexual satisfaction, and intimate relationships. Tadalafil helps improve erectile function during sexual stimulation, offering a treatment option for men looking to feel more confident and comfortable with intimacy.
More Sexual Health Treatments
Explore our other treatment options that may complement or offer alternatives to Tadalafil.
PT-141PT-141
Activates brain pathways involved in sexual desire and arousal.
Explore Our Programs
Discover more specialized treatments and services offered at Fountain
Frequently Asked Questions
Everything you need to know about Tadalafil treatment
What is tadalafil, and what does it actually treat?
Tadalafil is a medication commonly used to treat erectile dysfunction. It helps improve blood flow to the penis, making it easier to achieve and maintain an erection when sexual stimulation occurs. Tadalafil does not directly increase sexual desire. If the main concern is low libido rather than difficulty with erections, Fountain looks at other possible contributors such as hormones, medications, stress, mood, sleep, and overall health.
How long does tadalafil take to work, and how long can its effects last?
Timing depends on the dose and whether tadalafil is prescribed for as-needed or daily use. When taken as needed, tadalafil has a relatively long duration of action compared with some other erectile-dysfunction medications, with effects potentially supporting erectile response for up to approximately 36 hours. That does not mean an erection lasts for 36 hours. It means the medication can support erectile response during that window when sexual stimulation occurs.
What is the difference between daily tadalafil and taking it only when needed?
Tadalafil can be prescribed either as a lower daily dose or taken as needed before sexual activity. Daily tadalafil provides more consistent medication coverage and can allow for greater spontaneity because dosing does not need to be timed around sex. As-needed tadalafil may be a better fit for people who prefer to take medication only when they anticipate needing it. The best approach depends on your symptoms, frequency of sexual activity, other medications, medical history, and how you respond to treatment.
What side effects can tadalafil cause?
Common side effects can include headache, flushing, indigestion, nasal congestion, back discomfort, and muscle aches. Most side effects are mild and temporary, but certain symptoms require urgent medical attention, including chest pain, sudden changes in vision or hearing, or an erection lasting more than four hours. If side effects are persistent or bothersome, let your clinician know so the dose or treatment plan can be reassessed.
Who should not take tadalafil?
Tadalafil is not appropriate for everyone and should be prescribed only after reviewing your medical history, blood pressure, cardiovascular health, and current medications. It should not be combined with nitrate medications such as nitroglycerin because the combination can cause a dangerous drop in blood pressure. Certain other medications can also interact with tadalafil, which is why a full medication review is important before starting treatment.
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.
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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.