Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

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

Last Updated: 10/17/2025

Endometriosis Management Guidelines

Diagnosis and Initial Evaluation

  • The American Academy of Family Physicians recommends that diagnosis is based on clinical symptoms, such as secondary dysmenorrhea, deep dyspareunia, and sacral backache with menses 1
  • Histologic examination should confirm the presence of endometrial lesions, especially those with non-classical appearance 1
  • Peritoneal biopsy may be used to diagnose questionable peritoneal lesions 1

First-Line and Second-Line Management

  • The American College of Family Physicians suggests that NSAIDs are effective first-line agents for pain management 2
  • Oral contraceptives provide effective pain relief compared to placebo and may be equivalent to more costly regimens 2
  • Progestins (oral or depot medroxyprogesterone acetate) are effective alternatives with similar efficacy to other hormonal treatments 2
  • GnRH agonists for at least three months provide significant pain relief 2, 3
  • When using GnRH agonists, add-back therapy should be implemented to reduce or eliminate bone mineral loss without reducing pain relief efficacy 2, 3

Surgical Management and Treatment Outcomes

  • Surgery provides significant pain reduction during the first six months following the procedure 1
  • For severe endometriosis, medical treatment alone may not be sufficient 2
  • Up to 44% of women experience symptom recurrence within one year after surgery 1
  • Hormone replacement therapy with estrogen is not contraindicated following hysterectomy and bilateral salpingo-oophorectomy for endometriosis 2

Endometriosis Treatment with Combined Oral Contraceptives

Evidence Supporting Combined Oral Contraceptives

  • The U.S. Medical Eligibility Criteria for Contraceptive Use classifies endometriosis as Category 1 (no restrictions) for combined hormonal contraceptive use, meaning women with endometriosis can safely use these medications without concern for worsening their condition 4
  • A Cochrane Collaboration Review found that women with endometriosis using combined oral contraceptives did not report worsening of their condition or adverse events related to COC use 4