Methacycline Hydrochloride
Methacycline Hydrochloride is a tetracycline-class antibiotic used to treat various bacterial infections. It works by inhibiting bacterial protein synthesis, preventing the growth and spread of susceptible organisms.
Methacycline Hydrochloride is a tetracycline antibiotic used to treat susceptible bacterial infections by inhibiting protein synthesis in bacteria.
Key facts at a glance
- RxNorm
- 235554
- Generic
- Methacycline Hydrochloride
- Class
- pin-variant
- 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.
Treats respiratory tract infections, urinary tract infections, skin and soft tissue infections, and certain sexually transmitted infections caused by susceptible bacteria. May also be used for other conditions as determined by a healthcare provider.
As a tetracycline antibiotic, it binds to the bacterial 30S ribosomal subunit and blocks aminoacyl-tRNA from attaching to the ribosome, thereby inhibiting bacterial protein synthesis and preventing bacterial growth.
Should not be used in children under 8 years old or during pregnancy due to effects on bone and teeth development. May cause photosensitivity; avoid prolonged sun exposure. Take with food and water to reduce GI irritation. Complete the full course even if symptoms improve. May interact with antacids, blood thinners, and penicillin antibiotics.
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 August 28, 2026. · Read our editorial policy