PrescriptionGiant is a FREE prescription savings program that can save you up to 75% on your prescriptions with or without insurance!

Testosterone Undecanoate (Generic Testosterone)

Actual product appearance may differ slightly.

Click the CARD below to print or take a screenshot on your mobile phone or tablet. There is no need to download another app!

If you would like to personalize your card enter your full name in the member name field below the card at this link and click the Update button.


Taking testosterone, whether it’s prescribed by a doctor for medical reasons or used illegally for performance enhancement, carries several risks. Here’s a brief overview:

  • Cardiovascular Risks: Elevated levels of testosterone can increase the risk of heart disease, including heart attacks and strokes, especially in individuals with pre-existing cardiovascular conditions.
  • Endocrine System Disruption: Exogenous testosterone can disrupt the body’s natural hormone balance, leading to suppression of natural testosterone production. This can result in testicular atrophy, infertility, and hormonal imbalances.
  • Liver Damage: Oral forms of testosterone can strain the liver, potentially leading to liver damage or dysfunction.
  • Psychological Effects: Testosterone use may exacerbate or contribute to mood disorders such as depression, anxiety, aggression, and irritability.
  • Physical Side Effects: These may include acne, oily skin, hair loss, and male pattern baldness. In women, it can lead to masculinization effects like facial hair growth and deepening of the voice.
  • Increased Risk of Blood Clots: Testosterone use has been associated with an increased risk of blood clots, which can lead to serious conditions like deep vein thrombosis and pulmonary embolism.
  • Prostate Health: There’s evidence suggesting that testosterone therapy might worsen prostate conditions such as benign prostatic hyperplasia (BPH) or prostate cancer in some cases.
  • Fluid Retention: Testosterone can cause the body to retain fluids, leading to swelling, particularly in the ankles and feet.
  • Cholesterol Imbalances: Testosterone use may disrupt cholesterol levels, potentially leading to increased LDL (bad) cholesterol and decreased HDL (good) cholesterol, which can contribute to heart disease.
  • Hormonal Imbalances in Women: In women, testosterone supplementation can disrupt menstrual cycles, cause infertility, and lead to masculinization effects.

It’s crucial for individuals considering testosterone therapy to consult with a qualified healthcare provider and undergo proper medical evaluation to assess the risks and benefits based on their individual health status and medical history. Misuse or abuse of testosterone, especially without medical supervision, can significantly increase these risks.

Why is this medication prescribed?

Testosterone is prescribed primarily to treat conditions associated with low testosterone levels in men, a condition known as hypogonadism. Hypogonadism can lead to symptoms such as decreased libido, erectile dysfunction, fatigue, loss of muscle mass, and decreased bone density. Testosterone replacement therapy (TRT) using testosterone can help alleviate these symptoms and improve overall well-being in affected individuals.

How should this medicine be used?

Testosterone should be used according to the instructions provided by a healthcare professional. Typically, the dosage and frequency of administration will be determined based on the individual’s specific needs and medical condition. It’s crucial to follow the prescribed dosage and administration schedule closely to ensure optimal treatment outcomes and minimize the risk of side effects.

Here are some general guidelines for using testosterone:

  • Follow the instructions provided by your healthcare provider regarding dosage and timing of administration.
  • Swallow the capsule whole with a full glass of water. Do not crush, chew, or break the capsule.
  • Take the capsule at the same time each day to maintain consistent blood levels of testosterone.
  • It’s essential to monitor your response to treatment regularly and report any concerns or side effects to your healthcare provider.
  • Do not adjust your dosage or stop taking the medication without consulting your doctor first.
  • Store the at room temperature, away from moisture and heat.

It’s important to note that testosterone replacement therapy, including the use of testosterone, should only be prescribed and monitored by qualified healthcare professionals due to potential side effects and risks associated with the treatment. Additionally, testosterone therapy may not be suitable for everyone, so it’s essential to discuss any existing medical conditions or concerns with your healthcare provider before starting treatment.

Other uses for this medicine

Regarding other uses for testosterone, it’s important to emphasize that testosterone supplementation should only be used for medically approved conditions under the guidance of a healthcare professional. Misuse or abuse of testosterone can lead to serious health consequences, including cardiovascular issues, liver damage, infertility, and psychiatric disorders.

What special precautions should I follow?

Special precautions should be followed when taking testosterone to ensure safe and effective treatment:

  • Discuss your medical history with your healthcare provider, including any existing medical conditions, allergies, or medications you are taking, as they may affect your response to testosterone therapy.
  • Regularly monitor testosterone levels, as well as other relevant blood tests (e.g., hematocrit, lipid profile) to ensure that therapy is effective and not causing adverse effects.
  • Follow the prescribed dosage and administration schedule closely. Do not adjust your dosage without consulting your healthcare provider.
  • Report any side effects or concerns to your healthcare provider promptly, including symptoms such as changes in mood, swelling, difficulty breathing, or signs of liver problems.
  • Avoid use in individuals with a history of prostate cancer or breast cancer, as testosterone therapy may stimulate the growth of hormone-sensitive tumors.
  • Use with caution in individuals with cardiovascular disease, as testosterone therapy may increase the risk of heart-related complications.
  • Do not use testosterone if you are pregnant or breastfeeding, as it may cause harm to the fetus or nursing infant.

Overall, it’s essential to work closely with your healthcare provider to determine the appropriate use of testosterone and to monitor your response to treatment effectively.

What special dietary instructions should I follow?

There are generally no specific dietary instructions associated with taking testosterone. However, maintaining a healthy diet and lifestyle is important for overall health and well-being. If you have specific dietary concerns or conditions, such as diabetes or high cholesterol, discuss them with your healthcare provider for personalized advice.

What should I do if I forget a dose?

If you miss a dose of testosterone capsule, take it as soon as you remember, unless it is close to the time for your next scheduled dose. In that case, skip the missed dose and resume your regular dosing schedule. Do not double the dose to catch up.

If you have any concerns about missed doses or if you frequently forget to take your medication, consult your healthcare provider for guidance on how to manage your treatment effectively.

What side effects can this medication cause?

Testosterone, like any medication, can potentially cause side effects. These side effects can vary from person to person and may depend on factors such as dosage, duration of treatment, and individual health status. Some common side effects associated with testosterone include:

  • Acne: Testosterone can stimulate oil glands in the skin, leading to increased acne or exacerbating existing acne.
  • Fluid Retention: Some individuals may experience fluid retention, which can manifest as swelling in the ankles, feet, or hands.
  • Increased Red Blood Cell Production: Testosterone therapy can stimulate the production of red blood cells, leading to an increase in hematocrit levels. This may increase the risk of blood clots or other cardiovascular complications in some individuals.
  • Gynecomastia: Testosterone therapy can lead to breast tissue enlargement in men, a condition known as gynecomastia.
  • Changes in Mood or Behavior: Some individuals may experience mood swings, irritability, or changes in behavior while taking testosterone.
  • Sleep Apnea: Testosterone therapy may worsen or contribute to sleep apnea in individuals with underlying sleep disorders.
  • Headache: Headaches are a common side effect of testosterone therapy, though they are usually mild and temporary.
  • Decreased Testicular Size: Long-term use of testosterone therapy can lead to testicular shrinkage due to decreased production of natural testosterone by the testes.
  • Hair Loss: Testosterone therapy may accelerate male-pattern baldness in individuals who are genetically predisposed to hair loss.
  • Worsening of Benign Prostatic Hyperplasia (BPH): Testosterone therapy may worsen symptoms of BPH, including difficulty urinating.

It’s important to note that not everyone will experience these side effects, and some individuals may experience side effects not listed here. Additionally, serious side effects such as allergic reactions, liver problems, or cardiovascular complications are rare but possible. If you experience any concerning symptoms while taking testosterone, it’s essential to notify your healthcare provider promptly for evaluation and guidance.

What should I know about storage and disposal of this medication?

Storage and disposal of testosterone:

  • Storage:
    • Store testosterone at room temperature, away from moisture and heat.
    • Keep the medication in its original packaging or container, tightly closed.
    • Store the out of reach of children and pets.
  • Disposal:
    • Dispose of expired or unused testosterone properly according to local regulations.
    • Do not flush medications down the toilet or pour them down the drain unless instructed to do so. Check with your pharmacist or local waste disposal facility for guidance on proper disposal methods.

In case of emergency/overdose

In case of emergency or overdose of testosterone, it’s essential to take appropriate action:

  • Seek Medical Help: If you suspect an overdose or experience severe symptoms such as difficulty breathing, chest pain, or fainting, seek immediate medical attention by calling emergency services or going to the nearest emergency room.
  • Contact Poison Control: If you believe someone has ingested too much testosterone or is experiencing adverse effects, contact your local poison control center or emergency department for guidance.
  • Provide Information: Be prepared to provide information about the medication, including the name, dosage strength, and the number of ingested.

What other information should I know?

  • Regular Monitoring: Follow up with your healthcare provider regularly while taking testosterone to monitor your response to treatment and check for any potential side effects.
  • Blood Tests: Your healthcare provider may perform periodic blood tests to monitor testosterone levels, hematocrit, lipid profile, and other relevant parameters to ensure the safety and efficacy of treatment.
  • Interactions: Inform your healthcare provider about all medications, supplements, and herbal products you are taking, as they may interact with testosterone and affect their effectiveness or increase the risk of side effects.
  • Pregnancy and Breastfeeding: Testosterone are not recommended for use in women, especially those who are pregnant or breastfeeding, as they can cause harm to the fetus or nursing infant.
  • Driving and Operating Machinery: Testosterone therapy may cause dizziness, drowsiness, or other side effects that can impair your ability to drive or operate machinery. Use caution when engaging in activities that require mental alertness until you know how the medication affects you.
  • Follow Instructions: Always follow the instructions provided by your healthcare provider and pharmacist regarding the use of testosterone, including dosage, administration, and any special precautions or warnings.

If you have any questions or concerns about testosterone or their use, don’t hesitate to discuss them with your healthcare provider for personalized guidance and advice.

Copyright © 2023