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Generic name: testosterone oraltes-TOS-ter-one ]
Drug class: Androgens and anabolic steroids

Medically reviewed by Judith Stewart, BPharm. Last updated on Aug 22, 2023.

What is Tlando?

Tlando (testosterone) is a liquid filled capsule used to treat symptoms of low testosterone in men who have hypogonadism (a condition in which the body does not produce enough natural testosterone).

Tlando is used only for men with low testosterone levels caused by certain medical conditions, including disorders of the testicles, pituitary gland, (a small gland in the brain), or hypothalamus (a part of the brain) that cause hypogonadism.

Your doctor will order certain lab tests to check your testosterone levels to see if they are low before you begin to take Tlando.

Tlando should not be used treat the symptoms of low testosterone in men who have low testosterone due to aging ('age-related hypogonadism').

Testosterone is a hormone produced by the body that contributes to the growth, development, and functioning of the male sexual organs and typical male characteristics. Tlando works by replacing testosterone that is normally produced by the body.

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


You should not be treated with Tlando if you have prostate cancer, male breast cancer, or low testosterone levels due to getting older.

Tlando can increase your blood pressure, which can increase your risk of heart attack, stroke, or death. You may need to stop using this medicine or start taking blood pressure medication.

Tlando should not be used to enhance athletic performance.

Before taking this medicine

You should not take Tlando if you are allergic to testosterone, or if you have:

  • low testosterone levels due to getting older;

  • known or suspected prostate cancer; or

  • male breast cancer.

To make sure Tlando is safe for you, tell your doctor if you have ever had:

Tlando is not approved for use in women.

It may be harder for you to get a woman pregnant while you are using this medicine.

Using testosterone may increase your risk of developing prostate cancer. Ask your doctor about your individual risk.

How should I take Tlando?

Take Tlando as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose.

Your doctor will perform tests to make sure Tlando is the right treatment for you.

Take Tlando by mouth twice daily. Take two capsules in the morning and take two capsules in the evening. Take with food.

You will need frequent blood tests and your blood pressure will need to be checked often. Your next dose may be delayed based on the results.

Do not keep leftover medicine. Just one dose can cause death in someone using it accidentally or improperly. Ask your pharmacist about a drug take-back program.

Testosterone may be habit-forming. Misuse can cause addiction or death. Keep the medication where others cannot get to it. Selling or giving away this medicine is against the law.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking Tlando?

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

Tlando side effects

Get emergency medical help if you have signs of an allergic reaction to Tlando: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Tlando can increase your blood pressure, which can increase your risk of heart attack, stroke, or death. You may need to stop using this medicine or start taking blood pressure medication.

Tlando may cause serious side effects. Call your doctor at once if you have:

  • pain or swelling in your breasts;

  • sleep apnea (breathing stops during sleep);

  • unusual changes in mood or behavior, new or worsening depression, suicidal thoughts or actions;

  • heart problems - swelling, rapid weight gain, feeling short of breath;

  • liver problems - loss of appetite, stomach pain (upper right side), tiredness, itching, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);

  • signs of a blood clot in the lung - chest pain, sudden cough or shortness of breath, wheezing, rapid breathing, coughing up blood;

  • signs of a blood clot deep in the body - pain, swelling or warmth in your leg; or

  • signs of an enlarged prostate - increased urination, a weak stream of urine, an urgent need to urinate, or loss of bladder control.

Common Tlando side effects may include:

  • increased red blood cell counts;

  • an enlarged prostate;

  • erections that are more frequent or that last longer than usual;

  • increased blood pressure;

  • nausea, heartburn, burping;

  • diarrhea;

  • headache;

  • swelling in your lower legs;

  • joint, muscle or back pain;

  • cold symptoms;

  • breast swelling; or

  • weight gain.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect Tlando?

Tell your doctor about all your other medicines, especially:

This list is not complete. Other drugs may interact with testosterone, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.


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).


Antares Pharma, Inc: Ewing, NJ 08628. USA.

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Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Tlando only for the indication prescribed.

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