Hormones
Testosterone Replacement Therapy: what it is, what to expect and where to find it
What is Testosterone Replacement Therapy?
Testosterone replacement therapy is a prescription treatment for people whose testosterone is low and who have symptoms such as tiredness, low drive, reduced strength or mood changes. Wellness clinics and medical spas offer it after blood tests and a medical review. It requires ongoing monitoring and is not suitable for everyone.
How Testosterone Replacement Therapy works
Testosterone influences energy, muscle, bone, mood and sexual function. When blood tests and symptoms show a real deficiency, a prescriber may recommend replacing it with injections, gels, patches or pellets. Dose is adjusted from follow-up blood work to keep levels in a healthy range and to watch for side effects.
What to expect at the appointment
- A detailed history of symptoms, medicines and health conditions.
- Blood tests, often on more than one morning, to confirm low levels.
- A prescriber's recommendation about whether treatment is appropriate and which form to use.
- Teaching on how to apply or inject the treatment.
- Regular follow-up visits with repeat blood work.
Recovery and downtime
There is no downtime with gels, patches or injections, though pellets involve a small procedure with a day or two of tenderness. Benefits build over weeks to months, so early expectations should be moderate.
Safety and suitability
- Treatment can affect fertility, red blood cell count, prostate health and sleep apnea, which is why monitoring is essential.
- Symptoms like fatigue have many causes, so a thorough evaluation should come first.
- Stopping treatment may allow natural production to fall further, which matters for people who want children.
- Be cautious of clinics that prescribe without proper lab work.
Questions to ask before you book
- Which tests will you do before I start?
- What form of testosterone do you suggest and why?
- How often will I be monitored?
- How will treatment affect fertility?
- What other causes of my symptoms have you ruled out?
Testosterone Replacement Therapy FAQ
How do I know if my testosterone is low?
Symptoms alone are not enough. A clinician confirms with blood tests taken at the right time of day, usually repeated, and considers other possible causes of how you feel.
Are there different ways to take testosterone?
Yes. Options include injections, gels, patches and pellets. Each differs in convenience, cost and how steady the levels are, and your prescriber can help you choose.
Does testosterone therapy affect fertility?
It can reduce sperm production. Anyone planning children should say so, because other treatments may be a better fit than direct replacement.
Can women use testosterone?
Some clinicians prescribe small doses for women in specific situations. It is a specialist area, so ask about the provider's experience and monitoring plan.
This is general information, not medical advice, and results differ from person to person. This treatment should be prescribed or performed by, or under the supervision of, a licensed medical provider. Talk to a licensed provider about your health history before booking.
Written and fact-checked against our editorial rules (no prices, statistics or promised results) by the MedSpa Listings editorial team. Last reviewed 2026-11-10.
Where to find Testosterone Replacement Therapy
City pages for Testosterone Replacement Therapy appear once at least three listed clinics in a city name it on their own website. Browse med spas by state.
Planning the cost? See how to pay for Testosterone Replacement Therapy, including payment plans and HSA or FSA rules.