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Kyzatrex is a brand-name oral testosterone replacement therapy used to treat adult males with low or absent testosterone due to certain medical conditions. It contains testosterone undecanoate and is designed to restore normal testosterone levels in individuals diagnosed with hypogonadism. This medication is available by prescription only.
Kyzatrex is an oral testosterone replacement medication for adult males with low testosterone levels.
Key facts at a glance
- RxNorm
- 2609598
- Generic
- Kyzatrex
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treatment of male hypogonadism (low or absent testosterone) in adult males with confirmed low testosterone levels due to various underlying medical conditions.
Kyzatrex contains testosterone undecanoate, an androgen that supplements the testosterone the body is not producing adequately. It works by raising serum testosterone concentrations to the normal range.
This medication requires a valid prescription and regular monitoring by a healthcare provider. Patients should have baseline and periodic lab work to check testosterone levels, prostate health, and other parameters. Do not use if you have certain cancers, prostate issues, or are female. Always discuss full medical history with your doctor before starting therapy.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy