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Testosterone is a sex hormone that causes “masculine” characteristics. 

What is testosterone therapy?

Testosterone therapy is when you take the medicine testosterone to increase “masculine” characteristics. A nurse or doctor can prescribed  it to you in different forms: as a shot or as a gel, a cream, or a patch you put on your skin.

How long will it take for testosterone therapy to change my body?

After starting testosterone therapy, you’ll probably start to see changes after a month or longer. Some changes can take 2 to 5 years to develop. 

How will testosterone therapy change my body?

Here are some changes you may notice:

  • Your voice may get deeper.

  • You may grow facial hair.
  • Your body hair may get thicker and may grow faster.
  • Your clitoris may get bigger.
  • Your muscles may get bigger and stronger.
  • You may stop having a period.
  • You may notice less fat on your butt, hips, and thighs and more fat on your belly.

What are the risks of testosterone therapy?

Testosterone therapy is safe for most people, but all medicines have some risks. Your nearest Planned Parenthood health center can help you figure out if testosterone therapy is safe for you.

Complications from testosterone therapy are rare, but they can be serious. Using testosterone can:

  • increase your red blood cell count. Levels that are too high could lead to high blood pressure, blood clots, stroke, or heart attack. 
  • increase the amount of fat and/or cholesterol in your blood.
  • cause other unknown long term health issues, including issues with fertility.

What are the side effects of testosterone therapy?

If you’re using testosterone, you may notice the following side effects: 

  • The hair on your head may get thinner or fall out.

  • Your sexual feelings and desires may change.
  • Who you’re attracted to may change.
  • You may notice changes in your moods.
  • Your genitals could feel dryer.
  • You may get acne or oily skin.
  • You may sweat more and it may smell different. 

What can I use instead of testosterone therapy? 

There are other ways to increase your “masculine” characteristics. This may include getting voice therapy or having surgery. 

What happens if I stop taking testosterone?

To keep most of the changes that come with testosterone therapy, you have to keep taking the medicine. If you stop taking the medicine you may notice:

  • changes in your sexual arousal or desire.
  • changes in your body fat.
  • changes in your strength.
  • faster hair growth.
  • changes to your period.

Some of the changes may not go away even if you stop taking testosterone. These include:

  • The size of your clitoris may stay the same.
  • The tone of your voice may stay low.
  • Your facial hair may not go away.
  • Thinning or loss of hair on your head will continue.
  • You may still have thicker body hair.

More questions from patients:

Will testosterone therapy affect my ability to get pregnant?

There’s no way to know for sure if you’ll be able to get pregnant after taking testosterone. You may be able to get pregnant, or you may not be able to get pregnant in the future. This is true even if you stop taking testosterone. 

Use birth control if you want to prevent pregnancy. Testosterone can cause serious birth defects, so if you want to become pregnant or wish to discuss fertility preservation, talk with your nearest Planned Parenthood health center about your options.

Can I stop taking testosterone at any time? 

You can choose to stop taking testosterone at any time. If you decide you want to stop, talk to a doctor or nurse at your nearest Planned Parenthood health center.

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