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Generic name:  testosterone undecanoate
Dosage form: capsules, for oral use
Drug class: Androgens and anabolic steroids

Medically reviewed by Judith Stewart, BPharm. Last updated on May 11, 2022.

What is Tlando?

Tlando is a prescription medicine that contains testosterone. It is used to treat adult men who have low or no testosterone due to certain medical conditions.

It is not known if this medicine is safe or effective in children younger than 18 years old. Improper use of Tlando may affect bone growth in children.

Tlando is a controlled substance (CIII) because it contains testosterone that can be a target for people who abuse prescription medicines. Keep your Tlando in a safe place to protect it. Never give your it to anyone else, even if they have the same symptoms you have. Selling or giving away this medicine may harm others and is against the law.

Tlando is not meant for use by women.

Important information

Tlando can cause serious side effects, including:

  • Increase in blood pressure.
    • Tlando can increase your blood pressure, which can increase your risk of having a heart attack or stroke and can increase your risk of death due to a heart attack or stroke. Your risk may be greater if you have already had a heart attack or stroke or if you have other risk factors for heart attack or stroke.
    • If your blood pressure increases during treatment, blood pressure medicines may need to be started. If you are taking blood pressure medicines, new blood pressure medicines may need to be added or your current blood pressure medicines may need to be changed to control your blood pressure.
    • If your blood pressure cannot be controlled, Tlando may need to be stopped.
    • Your healthcare provider will monitor your blood pressure during treatment.

Who should not take Tlando?

Do not take Tlando if you:

  • have breast cancer.
  • have or might have prostate cancer.
  • are a woman who is pregnant. Tlando may harm your unborn baby.
  • are allergic to Tlando or any ingredients. See the end of this page for a complete list of ingredients.
  • have low testosterone without certain medical conditions. For example, do not take Tlando if you have low testosterone due to age.

Before you take Tlando

Before you start treatment, tell your healthcare provider about all of your medical conditions, including if you:

  • have high blood pressure or are treated for high blood pressure.
  • have heart problems.
  • have high red blood cell count (hematocrit) or high hemoglobin laboratory value.
  • have urinary problems due to an enlarged prostate.
  • have liver or kidney problems.
  • have a history of mental health illness including suicidal thoughts or actions, depression, anxiety or mood disorder.
  • have problems breathing while you sleep (sleep apnea).

What other drugs will affect Tlando?

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

Using Tlando with certain other medicines can affect each other. Especially, tell your healthcare provider if you take:

  • insulin.
  • medicines that decrease blood clotting (blood thinners).
  • corticosteroids.
  • medicines that increase blood pressure such as some cold medicine and pain medicines.

Know the medicines you take. Ask your healthcare provider or pharmacist for a list of these medicines, if you are not sure. Keep a list of them and show it to your healthcare provider and pharmacist when you get a new medicine.

How should I take Tlando?

  • Take Tlando capsules exactly as your healthcare provider tells you take it.
  • Take the capsules by mouth two times daily. Take 2 capsules in the morning and take 2 capsules in the evening.
  • Take the capsules with food.

Dosing information

Usual Adult Dosage for Male Hypogonadism

- 225 mg orally twice daily with food

- Comment: monitor serum testosterone during treatment.

- Use: adult males with conditions associated with a deficiency or absence of endogenous testosterone.

Tlando side effects

Tlando may cause serious side effects including:

  • See Important information
  • Increase in red blood cell count (hematocrit) or hemoglobin.
    • Tlando increases red blood cell counts in some people. High red blood cell counts increase the risk of blood clots, strokes, and heart attacks.
    • You may need to stop treatment if your red blood cell count increases.
    • Your healthcare provider should check your red blood cell count and hemoglobin during treatment.
  • If you already have an enlarged prostate, your signs and symptoms may worsen while using Tlando.
    These may include:
    • increased urination at night
    • trouble starting your urine stream
    • urinating many times during the day
    • urge to go to the bathroom right away
    • a urine accident
    • inability to pass urine or weak urine flow
  • Increased risk of prostate cancer. Your healthcare provider should check you for prostate cancer or any other prostate problems before you start, and during treatment.
  • Blood clots in the legs or lungs. Signs and symptoms of a blood clot in your leg can include pain, swelling or redness. Signs and symptoms of a blood clot in your lungs can include difficulty breathing or chest pain.
  • Abuse. Testosterone can be abused, when taken at higher than prescribed doses and when used with other anabolic androgenic steroids. Abuse can cause serious heart and psychological side effects. Your healthcare provider should check you for signs of abuse before and during treatment.
  • In large doses Tlando may lower your sperm count.
  • Liver problems. Symptoms of liver problems may include:
    • nausea or vomiting
    • yellowing of your skin or whites of your eyes
    • dark urine
    • pain on the right side of your stomach area (abdominal pain)
  • Swelling of your ankles, feet, or body (edema), with or without heart failure.
  • Enlarged or painful breasts.
  • Breathing problems while you sleep (sleep apnea).

Call your healthcare provider right away if you have any of the serious side effects listed above.

The most common side effects include:

  • increased prolactin in your blood
  • increased weight
  • high blood pressure
  • headache
  • increased red blood cell count
  • joint and muscle pain
  • common cold

Tell your healthcare provider if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects. For more information, ask your healthcare provider or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How should I store Tlando?

  • Store Tlando capsules at room temperature between 68°F to 77°F (20°C to 25°C).
  • Store the capsules in a dry place.

Keep all medicines out of the reach of children and pets.

How should I throw away (dispose of) Tlando?

  • Throw away unused Tlando via a take-back option.
  • If a take-back option is unavailable, follow FDA instructions at for properly throwing away medicine.

General information about the safe and effective use of Tlando

Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use this medicine for a condition for which it was not prescribed. Do not give it to other people, even if they have the same symptoms you have. It may harm them. You can ask your pharmacist or healthcare provider for information that is written for health professionals.

What are the ingredients in Tlando?

Active ingredient: testosterone undecanoate
Inactive ingredients: ascorbyl palmitate, glyceryl monolinoleate, polyethylene glycol 8000, and polyoxyl 40 hydrogenated castor oil.
Capsule shell: contains black iron oxide, gelatin, and titanium dioxide and imprint ink (ammonium hydroxide, black iron oxide, propylene glycol, and shellac).

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.