Testosterone - oral

Patient Medicine Information
Why do I need this medicine?
Testosterone is used as a hormone replacement in men to treat various health problems caused by a lack of testosterone.
How do I take this medicine?
Take Testosterone exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.

Take it together with food or immediately after a meal. Try to take it at the same time each day.

Swallow the capsule whole with a glass of water. Do not crush or chew the capsule.

The dose of this medicine will be decided by your doctor. Your doctor will advise you on the treatment timeframe depending on the type of your condition and response to the medication.

Testosterone must be taken regularly for it to be effective. Continue taking this medicine even when you feel better. Do not stop taking it unless instructed by the doctor.
What should I do if I have forgotten to take this medicine?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.

DO NOT double a dose under any circumstances.

If you often forget to take your medicine, let your doctor and pharmacist know.
When should I not use this medicine?
Alert your doctor if you have the following conditions:
  • male breast cancer
  • prostate cancer
  • current or history of liver tumours
  • high level of calcium in the blood or urine
  • low testosterone levels that are not caused by genes or certain conditions e.g. age-related low testosterone levels
as Testosterone may not be suitable for you.

This medicine is not indicated for use in women and must not be used by women who are pregnant or breastfeeding.
What should I take note of while taking this medicine?
Inform your doctor if you have the following conditions:
  • heart disease
  • high blood pressure
  • blood clotting disorder
  • diabetes
  • enlarged prostate
  • migraine
  • epilepsy (fits or seizures)
  • sleep apnoea (sleep disorder that causes interrupted breathing during sleep)
  • lung cancer or cancer that has spread to the bones
  • depression
  • kidney disease
  • liver disease
Be sure to check with your doctor or pharmacist before giving this medicine to the elderly. Elderly people may be more sensitive to the side effects.

If you are going to have certain laboratory test (e.g. test for thyroid glands, test to detect performance-enhancing medicines in athletes), inform your doctor that you are taking Testosterone.

Why is it important to keep my appointments with the doctor?

Keep your appointments with your doctor. Your doctor needs to monitor your condition and check your response to the medication regularly.
  • Routine tests (e.g. blood testosterone, cholesterol and calcium levels, liver and prostate function) may be done while you are being treated with this medicine. Your doctor will advise you about how often you need to have these tests.
  • Your blood pressure may rise to unsafe levels without you noticing it. Monitor your blood pressure regularly before and during treatment.
  • Regular monitoring for signs of heart problems and depression may also be needed.
What side effects could I experience?
Testosterone may cause any of the following side effects: headache, nausea, diarrhoea, nervousness, changes in sex drive, muscle pain, skin itching, acne, and weight gain.

This medicine may decrease your sperm count when taken in large doses. Discuss with your doctor if you are concerned about this side effect.

Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:
  • yellowing of the skin or eyes, dark coloured urine, swelling in the legs and ankles
  • unusual changes in mood or behaviour (being too depressed, agitated, or having compulsive and impulsive behaviour)
  • pain or enlargement of the breast
  • signs of prostate enlargement e.g. difficulty passing urine, frequent urination at night
  • signs of high blood calcium levels e.g. confusion, weakness, tiredness, constipation, bone pain
  • shortness of breath, chest pain, fast heartbeat, coughing up blood; pain, swelling and tenderness in your leg accompanied by redness and warmth
  • weakness on one side of the body, drooping on one side of the face, difficulty speaking
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I take this with other medicines?
Inform your doctor and pharmacist if you are taking any of these medicines:
  • blood-thinning medicines e.g. warfarin
  • medicines for diabetes e.g. insulin, glimepiride
  • anti-inflammatory medicines e.g. prednisone, dexamethasone
  • medicines for epilepsy (fits or seizures) e.g. carbamazepine, phenytoin, primidone, phenobarbital
  • rifampicin (medicine used for TB, an infection known as tuberculosis)
This list does not include all medicines that may interact with Testosterone.

Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.

Protect from light and moisture.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on testosterone - oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2023 MIMS. All rights reserved. Powered by MIMS.com
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