Related Experiment Video
Updated: Aug 12, 2026

10:35
Stereotactic Radiosurgery for Gynecologic Cancer
Published on: April 17, 2012
[Correlation between intrathecal opioids and gynecomastia -- a case report]
1Klinik für Anästhesiologie, Intensiv- und Schmerztherapie, Berufsgenossenschaftliche Kliniken Bergmannsheil Bochum, Universitätsklinikum. hosbach@anaesthesia.de
Summary
Long-term intrathecal opioid therapy may cause gynecomastia in men. This study suggests a link between opioid use and this hormonal side effect, warranting further investigation.
Area of Science:
- Pain Management
- Endocrinology
- Pharmacology
Background:
- Intrathecal opioid administration is a common treatment for chronic non-malignant pain.
- Potential side effects of this delivery method, including hormonal alterations, require investigation.
- Gynecomastia, a rare condition, is explored as a possible consequence.
Observation:
- A case study of a 49-year-old male with chronic pain receiving intrathecal opioids is presented.
- The patient developed gynecomastia concurrently with the initiation of opioid therapy.
- A review of existing literature and animal studies supports a potential causal link.
Findings:
- A correlation was observed between the commencement of intrathecal opioid application and the onset of gynecomastia.
- Evidence from historical publications and recent animal research supports the hypothesis of a link.
- The findings suggest intrathecal opioids may disrupt androgen hormone balance.
Implications:
- Further research is necessary to confirm the clinical suspicion of a link between intrathecal opioids and gynecomastia.
- Testing the estrogen-testosterone ratio is recommended for patients with opioid-induced gynecomastia.
- Early testosterone substitution may prevent the progression of opioid-induced gynecomastia.
Related Concept Videos
Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents
Diarrhea, a condition marked by frequent loose or watery bowel movements, can be triggered by multiple factors such as viral or bacterial infections, food intolerances, anxiety, medications, and digestive disorders. Symptoms may include abdominal pain, bloating, nausea, and cramping. Severe or prolonged diarrhea can lead to complications like electrolyte imbalances, malnutrition, and dehydration if left untreated.
Opioids, widely used antidiarrheal agents, mitigate diarrhea by slowing down...
Opioids, widely used antidiarrheal agents, mitigate diarrhea by slowing down...
Chemotherapy-Induced Nausea and Vomiting: Cannabinoids
Tetrahydrocannabinol (THC) is a phytocannabinoid that primarily interacts with the CB1 receptor, a type of G protein-coupled receptor (GPCR) predominantly in and around the chemoreceptor trigger zone (CTZ) and emetic center. THC also blocks the serotonin receptor activity in the dorsal vagal complex (DVC) by inhibiting serotonin release. THC exerts its anti-emetic effects through these interactions, which are beneficial for patients undergoing chemotherapy.
Two synthetic agonists of THC,...
Two synthetic agonists of THC,...
Cirrhosis I: Introduction
Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...

