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Deep Disease

Can medication shrink an endometrioma?

The short answer

In some cases, hormonal medications may shrink an endometrioma modestly, but they do not remove the cyst wall and typically cannot eliminate it. They can sometimes reduce bleeding into the cyst, calm inflammation, and improve pain.

Hormonal medications can sometimes reduce bleeding into an endometrioma, calm inflammation, and improve pain. In some cases, the cyst may shrink modestly. However, medication does not remove the cyst wall, so it typically can’t resolve or eliminate the endometrioma.

These therapies are most often used to control symptoms, suppress disease after surgery to reduce the chance of recurrence, or help manage timing when surgery is delayed for fertility planning. If you’re weighing medical management versus surgical treatment, our team can review your symptoms, ultrasound findings, and goals (pain relief, fertility, or both) and help you decide on the next best step.

Where to go from here

Understand it, compare it with what you're feeling, then talk it through with us.

Step 1 · Understand

Understand the condition

Step 3 · Speak with Us

Struggling with Endometrioma Pain?

Our specialists help manage symptoms and guide treatment options tailored to your condition. Learn how medication and surgery can work together for relief and long-term care.

Questions people ask next

All deep disease questions
  • Do medications shrink or cure endometriosis?

    Medications don’t cure endometriosis and typically don’t eliminate lesions. They can quiet hormonal signals that stimulate lesions and reduce inflammation, which often improves pain while you’re on treatment, but symptoms commonly return when medication is stopped.

  • Does endometrioma surgery reduce AMH or ovarian reserve?

    Yes, endometrioma surgery can lower AMH and ovarian reserve by unintentionally removing or damaging healthy ovarian tissue, especially with cystectomy. Surgical technique and energy use matter when treating the disease while protecting ovarian tissue.

  • Do endometriomas affect fertility or ovarian reserve?

    Yes, endometriomas can affect fertility and may be associated with lower ovarian reserve in some patients. Surgery, especially repeat cyst surgery, can also affect ovarian reserve because healthy ovarian tissue can be removed or its blood supply altered.

Reach Out

Have a question?

Lotus Endometriosis Institute provides California-based surgical evaluation and advanced excision care for patients with suspected endometriosis, adenomyosis, complex pelvic pain, and related conditions.


Many patients contact us from outside California to learn whether traveling for in-person evaluation and possible surgery may be appropriate.

Call Us

(424) 255-1340

(805) 920-0909

Fax: (805) 935-4338

Santa Monica, CA

2121 Santa Monica Blvd, Santa Monica, CA 90404

Operating Hours

8am - 5pm
Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420