What does it do?

Testosterone is a male sex hormone. It is used when the levels of testosterone in your body are too low.

Before you start

• Tell your doctor if you have heart, liver or prostate problems, or if you have ever had breast cancer, a blood clot or a stroke.
• Some types of testosterone injection contain peanut oil. Tell your doctor if you are allergic to peanuts.
• Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.

How is it given?

Testosterone is given as an injection into a muscle by your health professional.

What if you forget a dose?

If you miss an appointment for your injection, contact your health professional as soon as possible.

Can you take other medicines?

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.

What side effects might you notice?

Side Effects	Recommended action
Symptoms of liver problems including: yellow skin or eyes, itching, dark urine, pale bowel motions, abdominal pain Prolonged erection (longer than four hours)	Tell your doctor immediately
Mood changes, headache Head hair loss, more body and facial hair Acne Sore or enlarged breasts More or less interest in sex Swollen feet or legs Stomach upset In women: changes in periods, voice deepening Pain, tenderness or redness at injection site	Tell your doctor if troublesome

If you notice any other effects, discuss them with your doctor or pharmacist.

Other information:

• You will need regular blood tests while you are taking testosterone to check your blood and your prostate (for men), and to make sure you are taking the right dose.