Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 8/29/2025

Minocycline Therapy

Indications and Usage

  • The American Thoracic Society recommends minocycline for the treatment of pulmonary diseases caused by non-tuberculous mycobacteria 4, 2
  • Minocycline is indicated for the treatment of moderate to severe acne vulgaris, according to Praxis Medical Insights 1
  • The treatment of infections caused by Acinetobacter baumannii resistant to carbapenems is recommended with minocycline 3
  • Minocycline is used for the treatment of blepharitis 5

Dosage and Administration

  • The standard oral dose for adults is 100 mg twice daily, as recommended by Thorax 2
  • The dose should not exceed 400 mg per day in adults, and 200 mg per day in patients with renal insufficiency 2
  • Children over 12 years old should receive 100 mg orally twice daily, according to Thorax 2

Contraindications and Precautions

  • Minocycline is contraindicated in children under 8 years old due to the risk of permanent tooth discoloration and enamel hypoplasia, as stated by Praxis Medical Insights and Thorax 1, 2
  • Patients with hypersensitivity to minocycline or other tetracyclines should avoid its use, according to Thorax 2
  • Minocycline should be used with caution in patients with renal or hepatic insufficiency, and those taking other potentially hepatotoxic medications, as recommended by Thorax 2

Adverse Effects

  • Common adverse effects include photosensitivity, skin eruptions, nausea, vomiting, diarrhea, and dizziness, as reported by Thorax and Praxis Medical Insights 1, 2
  • Serious adverse effects may include hypersensitivity reactions, autoimmune disorders, and hepatic or renal toxicity, according to Thorax 2