• Timothy J Poterucha, Sinead L Murphy, Richard H Rho, Paola Sandroni, Roger A Warndahl, William T Weiss, and Mark D P Davis.
• Mayo Medical School, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA.
• Pain Physician. 2012 Nov 1;15(6):485-8.

BackgroundPain in the rectal, genital, and perineal area is a common condition treated by pain physicians. These chronic pain syndromes are therapeutically challenging because both interventional and drug therapies often are ineffective.ObjectivesTo determine if pelvic pain can be treated effectively with compounded topical amitriptyline-ketamine.Study DesignA retrospective review of medical records.SettingA single academic medical center in the United States.MethodsWe identified all patients treated with topical amitriptyline-ketamine from January 1, 2004, through November 28, 2011. Medical records were evaluated to determine the diagnosis for which the medication was prescribed. Treatment efficacy and any adverse effects were recorded.ResultsOf the 1,068 patients who received amitriptyline-ketamine, 13 had the medication prescribed for genital, rectal, or perineal pain and had medication efficacy recorded. Of these 13 patients, one (8%) had complete relief, 6 (46%) had substantial relief, 4 (31%) had some relief, and 2 (15%) had no response. One patient reported occasional irritation while using topical amitriptyline-ketamine with lidocaine; no other patients reported local or systemic adverse effects.LimitationsRetrospective review; lack of uniform system for pain grading; concurrent use of other medications.ConclusionsTopical amitriptyline-ketamine provided a high rate of pain relief with a low adverse-effect burden in patients with pelvic pain. This topical medication could offer an effective, noninvasive, nonopioid therapy for pain in the rectum, perineum, and genitals.

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