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Stanozolol (By mouth)

Stanozolol (stan-OH-zoe-lol)

Treats and prevents hereditary angioedema (swelling around or inside your mouth, throat, hand, feet, or digestive system). This medicine is an anabolic steroid.

Brand Name(s):

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have ever had an allergic reaction to stanozolol. Do not use if you have a kidney disease called nephrosis or nephrotic syndrome. For women, you should not use this medicine if you are pregnant or if you have too much calcium in your blood (hypercalcemia) with breast cancer. For men, you should not use this medicine if you may have breast cancer or prostate cancer.

How to Use This Medicine:


  • Your doctor will tell you how much medicine to use. Do not use more than directed.
  • Some people might need to use this medicine only every other day. Make sure you know when you should take your medicine. Ask you pharmacist or health caregiver if you have questions.
  • Talk to your doctor if you are going to have dental work or if you are going to be in a stressful situation. Your dose of this medicine might need to be changed. Do not change your dose without asking your doctor first.

If a dose is missed:

  • Call your doctor or pharmacist if you miss a dose.
  • Do not use extra medicine to make up for a missed dose.

How to Store and Dispose of This Medicine:

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Make sure your doctor knows if you are also using insulin, diabetes medicine that you take by mouth (such as glyburide, metformin, Actos®, Glucotrol®, Glucovance®), or a blood thinner such as warfarin (Coumadin®).

Warnings While Using This Medicine:

  • It is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant.
  • Make sure your doctor knows if you are breast feeding, or if you have liver disease, heart disease, or kidney disease. Tell your doctor if you have breast cancer, prostate problems, diabetes, or high cholesterol in your blood.
  • This medicine will not stop a hereditary angioedema (HAE) attack that has already started. This medicine will only make the attacks happen less often and be less severe. Follow your doctor's instructions about what you should do during an attack.
  • If you plan to have children, talk with your doctor before using this medicine. Some men and women using this medicine may have difficulty having children.
  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
  • This medicine may slow your child's bone growth. The doctor will need to check your child's bone growth on a regular basis. Be sure to keep all appointments. If you think your child is not growing properly, talk with the doctor.
  • This medicine should be used only for your current problem. Steroids will not improve athletic ability and may cause serious, long-term side effects if used incorrectly.
  • For women: Tell your doctor if you have changes in your menstrual cycle (periods). Also tell your doctor if you have any male-like changes such as hoarseness or deepening of your voice, hair growth on your face, or new or worse acne.
  • For men: Tell your doctor if you have new or worse acne. Also tell your doctor if you have an erection of your penis that happen too often or that lasts too long.
  • Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Change in how much or how often you urinate.
  • Dark-colored urine or pale stools.
  • Nausea, vomiting, loss of appetite, pain in your upper stomach.
  • Unusual bleeding or bruising.
  • Unusual swelling in your ankles or feet.
  • Yellowing of your skin or the whites of your eyes.

If you notice these less serious side effects, talk with your doctor:

  • Change in your sex drive.

If you notice other side effects that you think are caused by this medicine, tell your doctor

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

Last Updated: 5/1/2020

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites.

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