Testosterone Replacement Therapy in Vietnam: What to Know

Testosterone replacement therapy, usually shortened to TRT, is a medical treatment for certain people with clinically confirmed testosterone deficiency. In Vietnam, evaluation can be arranged through endocrinology, urology, andrology and men's health services at hospitals and specialist clinics, particularly in major cities such as Ho Chi Minh City, Hanoi and Da Nang.

TRT should not be approached simply as a way to increase energy, build muscle or counter normal ageing. Current specialist guidelines recommend diagnosing hypogonadism based on compatible symptoms together with consistently low testosterone levels, followed by an assessment of the underlying cause.

For expatriates and residents considering testosterone replacement therapy in Vietnam, the important questions are therefore not only where to obtain testosterone, but whether treatment is medically indicated, which tests are needed, how fertility may be affected and who will provide long-term monitoring.

What is testosterone replacement therapy?

Testosterone replacement therapy provides testosterone from an external source when the body is not producing an adequate amount and the patient has a clinically appropriate indication for treatment.

Testosterone plays roles in sexual function, sperm production, bone health, muscle mass, red blood cell production and other physiological processes.

Male hypogonadism can result from problems involving the testes themselves or the hypothalamic and pituitary systems that regulate testosterone production. Other factors, including obesity, certain medications, systemic illness and some chronic medical conditions, can also affect testosterone levels.

TRT may improve symptoms in appropriately diagnosed patients, but treatment should follow medical evaluation rather than a single laboratory result or a list of non-specific symptoms.

Who should be evaluated for low testosterone?

Symptoms associated with testosterone deficiency can include:

• Reduced sexual desire
• Fewer spontaneous or morning erections
• Erectile difficulties
• Reduced energy
• Reduced physical strength
• Changes in mood or motivation
• Reduced muscle mass
• Reduced bone density in some patients

However, many of these symptoms have other possible explanations. Poor sleep, depression, stress, obesity, medications, thyroid disorders, diabetes and other medical conditions can produce similar complaints.

The European Association of Urology recommends testing men who have symptoms or signs that could indicate testosterone deficiency rather than routinely screening all men.

You normally need more than one testosterone test

One low testosterone result does not automatically establish a diagnosis of hypogonadism.

Current European Association of Urology guidance recommends measuring total testosterone in the morning, between approximately 07:00 and 10:00, in a fasting state. If the level is low, it should be repeated on a separate occasion before testosterone therapy is started.

The Endocrine Society similarly recommends diagnosing hypogonadism only when a patient has relevant symptoms or signs together with unequivocally and consistently low serum testosterone concentrations.

Testing during an acute illness can also produce misleading results. If you have recently been seriously ill, your doctor may recommend waiting before assessing your baseline testosterone level.

What blood tests may be needed before TRT?

The exact investigation depends on your symptoms, age, medical history and initial testosterone results.

A doctor may consider tests including:

• Total testosterone
• Sex hormone-binding globulin
• Calculated or appropriately measured free testosterone when indicated
• Luteinising hormone
• Follicle-stimulating hormone
• Prolactin in selected patients
• Complete blood count and haematocrit
• Prostate-specific antigen when appropriate
• Blood glucose or HbA1c
• Lipid profile
• Liver-related blood tests where clinically indicated

Luteinising hormone and follicle-stimulating hormone can help distinguish between primary hypogonadism, where the testes are affected, and secondary hypogonadism involving the hypothalamic-pituitary system.

Additional investigation may be required when results suggest pituitary disease or another underlying medical condition.

Where should you go for TRT in Vietnam?

A sensible starting point is a medical service experienced in hormonal or male reproductive health rather than a general wellness or anti-ageing business that offers testosterone primarily as a lifestyle product.

Depending on the healthcare system and hospital, appropriate specialties may include:

• Endocrinology
• Urology
• Andrology
• Sexual and reproductive medicine
• Internal medicine with appropriate hormone expertise

Large hospital systems in Vietnam provide endocrinology, laboratory and urology services. Vinmec, for example, publishes endocrinology consultations and laboratory services at several of its hospitals and also publishes patient information about testosterone medicines used for hypogonadism.

A provider's website can confirm that a service exists, but it does not establish that a particular doctor or treatment is appropriate for you. Doctor availability, services, fees and English-language support should be confirmed directly.

For broader guidance, see How to Choose an English-Speaking Clinic in Vietnam and What to Check Before a Medical Appointment in Vietnam.

What forms of testosterone are used?

Testosterone can be administered in several formulations internationally. Options may include:

• Testosterone injections
• Testosterone gels
• Oral testosterone formulations in selected markets
• Transdermal preparations
• Other longer-acting formulations

Availability in Vietnam can change according to product registration, hospital or pharmacy supply and prescribing practices.

Do not assume that a formulation you used in another country will be available under the same brand name or at the same dose in Vietnam. Ask the doctor about the active ingredient, formulation and dosing schedule rather than relying only on a familiar brand.

Testosterone injections

Injectable testosterone is commonly used internationally for testosterone replacement. Different preparations can have very different dosing intervals and pharmacological profiles.

Some are administered relatively frequently, while long-acting testosterone formulations can be given at substantially longer intervals.

This means that two injectable testosterone products should not be treated as interchangeable simply because both contain testosterone.

The dose and injection schedule should be determined by the treating clinician based on the formulation, laboratory results, symptoms and follow-up measurements.

Testosterone gels

Testosterone gels are applied to the skin and can provide relatively stable testosterone exposure when used correctly.

They also require practical precautions because testosterone can potentially be transferred from treated skin to another person through direct contact. Patients should follow product-specific instructions concerning application, hand washing, covering the treated area and contact with partners or children.

The appropriate formulation depends on clinical and practical factors rather than simply choosing injections or gels according to preference.

TRT is different from taking testosterone for bodybuilding

Medical TRT aims to treat a documented hormone deficiency and restore testosterone to an appropriate physiological range.

Using testosterone or anabolic-androgenic steroids primarily to increase muscle mass or athletic performance is a different situation and can involve higher doses, combinations of drugs and substantially different risks.

The Endocrine Society states that testosterone therapy is recommended for appropriately diagnosed hypogonadism and is not intended simply to improve strength, athletic performance or physical appearance in otherwise healthy men.

If a clinic promotes testosterone principally as a universal anti-ageing, bodybuilding or energy treatment without proper diagnostic testing, ask how the medical indication is being established.

Fertility is one of the most important issues to discuss

Men who may want biological children should discuss fertility before starting TRT.

External testosterone suppresses hormonal signals from the brain to the testes. This can substantially reduce sperm production and may cause very low sperm counts or even temporary absence of sperm in semen.

Current European Association of Urology and Endocrine Society guidance advises against testosterone therapy in men actively trying to preserve or achieve fertility.

This is particularly important for younger expatriates who may be offered testosterone because of fatigue, low libido or a borderline blood test without being asked about plans for children.

If fertility is important, tell the doctor explicitly. Depending on the cause of hypogonadism, other medical approaches may sometimes be considered by specialists.

What should be checked before starting treatment?

Before prescribing testosterone, a clinician should consider factors that could affect safety or indicate a need for further investigation.

Assessment may include:

• Cardiovascular history and risk factors
• Blood pressure
• Haematocrit
• Prostate history where relevant
• Urinary symptoms
• Previous prostate or breast cancer
• History of blood clots
• Sleep-related breathing problems
• Fertility plans
• Current medications
• Smoking
• Other causes of low testosterone

Certain conditions may make testosterone inappropriate or require specialist assessment and closer monitoring.

Haematocrit is especially important during TRT

One of the best-established effects of testosterone therapy is stimulation of red blood cell production.

This can raise haematocrit, the proportion of blood made up of red blood cells. Excessive elevation can become clinically important.

The European Association of Urology recommends checking haematocrit before treatment and during follow-up. Its current guidance states that a haematocrit above 54 percent requires treatment adjustment or withdrawal and appropriate clinical management.

People at greater risk of elevated haematocrit may need more frequent monitoring.

This is one reason why obtaining testosterone without regular blood tests is not equivalent to medically supervised TRT.

Blood pressure should also be monitored

Blood pressure deserves attention before and during testosterone treatment.

In 2025, the US Food and Drug Administration updated testosterone product labelling after ambulatory blood pressure studies showed increases in blood pressure across testosterone products as a class.

The cardiovascular implications of testosterone therapy are more complex than simply describing TRT as either dangerous or protective. Individual cardiovascular risk should therefore be assessed rather than making decisions from general claims found online.

Tell your doctor about high blood pressure, heart disease, previous stroke, blood clots and other cardiovascular conditions before starting treatment.

What about prostate health?

Prostate assessment depends on age, personal risk and medical history.

Current specialist guidelines recommend considering prostate-specific antigen and appropriate prostate evaluation before and during testosterone treatment in relevant patients.

Active prostate cancer is an important consideration and generally represents a contraindication to routine testosterone replacement without specialist management.

A history of previously treated prostate cancer is more complex. Patients in this situation should discuss TRT with an appropriately experienced urologist or endocrinologist rather than assuming treatment is automatically safe or permanently prohibited.

How often do you need follow-up?

TRT is not normally a treatment that should be started and then continued indefinitely without reassessment.

European Association of Urology guidance recommends clinical and laboratory follow-up after treatment begins, including assessment of testosterone and haematocrit. A first review at around three months is commonly recommended, with further monitoring depending on the patient and treatment response.

Monitoring may include:

• Symptoms
• Testosterone level
• Haematocrit
• Blood pressure
• Prostate-specific antigen where appropriate
• Treatment side effects
• Cardiovascular risk factors
• Metabolic health

The timing of testosterone testing can depend on the formulation being used, especially with injectable products. Ask the clinician exactly when blood should be drawn relative to your dose.

What if you are already on TRT before moving to Vietnam?

If you are relocating to Vietnam while already receiving prescribed testosterone, bring a concise medical summary from your current doctor if possible.

Useful information includes:

• Diagnosis
• Previous testosterone results
• Current product and active ingredient
• Dose
• Administration schedule
• Date of the most recent dose
• Recent haematocrit
• Recent testosterone measurements
• PSA results where relevant
• Other monitoring results
• Current prescriptions

Do not assume that your original prescription can simply be continued without a Vietnamese doctor reviewing your history and treatment.

Product brands and formulations may also differ. A local clinician may recommend an equivalent formulation or a different treatment schedule depending on what is available.

What should you ask a clinic before booking?

If you are looking for testosterone replacement therapy in Vietnam, useful questions include:

• Which specialty will evaluate me?
• Does the doctor regularly manage male hypogonadism?
• Which blood tests are required before treatment?
• Will low testosterone be confirmed with repeat testing?
• Will the cause of low testosterone be investigated?
• Which testosterone formulations are currently available?
• How often will blood tests be repeated?
• How will haematocrit be monitored?
• How will fertility be discussed?
• What happens if testosterone levels become too high?
• Can I receive copies of my laboratory results and prescriptions in English?
• What is the cost of the consultation, tests and medication?

If English communication is essential, confirm that the clinician responsible for prescribing and monitoring treatment can discuss these issues with you directly.

How much does TRT cost in Vietnam?

There is no single standard price for testosterone replacement therapy in Vietnam.

The total cost can include:

• Initial specialist consultation
• First testosterone test
• Repeat morning testosterone test
• Additional hormone tests
• Complete blood count
• Prostate testing where appropriate
• Testosterone medication
• Administration fees for injections
• Follow-up appointments
• Repeat laboratory monitoring

Vinmec's published 2026 service fee information provides an example of how consultations are charged separately from laboratory tests and medicines. Prices differ by hospital and service, and the cost of the testosterone product itself depends on the formulation.

Ask for current prices directly rather than relying on an older online fee list.

Avoid buying testosterone without medical supervision

The ability to obtain a medicine does not establish that it is appropriate to use it.

Self-directed testosterone use can make it difficult to determine the original cause of low testosterone and can affect fertility, haematocrit, blood pressure and other health parameters.

It can also complicate interpretation of future hormone tests because external testosterone suppresses the body's natural hormone production.

If you believe you have low testosterone, arranging proper testing before beginning treatment provides much more useful information than starting testosterone first and investigating later.

A practical approach to TRT in Vietnam

If you have symptoms that could be related to testosterone deficiency, start with an endocrinologist, urologist or appropriately experienced andrology service. Bring previous hormone results, medication information and medical records if you have them.

Expect the diagnosis to involve symptoms plus properly timed blood tests rather than a single testosterone measurement. Ask about the cause of the abnormal result, fertility implications, treatment alternatives and the monitoring plan before starting medication.

For patients who genuinely have hypogonadism, testosterone replacement therapy can be an established medical treatment. The important part is making sure that treatment in Vietnam includes the same fundamentals that should apply anywhere else: an accurate diagnosis, appropriate prescribing and continued clinical and laboratory monitoring.

Frequently Asked Questions

Sources

1. Endocrine Society: Testosterone Therapy for Hypogonadism Guideline
2. European Association of Urology: Male Hypogonadism
3. European Association of Urology Patient Information: Hormone Replacement Therapy
4. US Food and Drug Administration: Class-Wide Labeling Changes for Testosterone Products
5. Vinmec: Uses of Sustanon 250