🎙️ PainExam Podcast Show Notes Kratom (Mitragyna speciosa): What Pain Physicians Must Know for the Boards

In this episode, Dr. David Rosenblum reviews the current science, pharmacology, risks, and clinical relevance of Kratom — an herbal substance widely discussed by pain patients and increasingly appearing on pain-medicine board exams. The discussion focuses on evidence-based mechanisms, safety considerations, and counseling points essential for ABA/ABPM/ABIPP/FIPP board preparation.

🔍 Key Board-Relevant Takeaways 1. Pharmacology & Mechanism

Kratom's primary alkaloids are mitragynine and 7-hydroxymitragynine.
They act as partial mu-opioid receptor agonists and demonstrate G-protein biased signaling, which may reduce β-arrestin–mediated respiratory depression seen with full opioids.
No FDA-approved medical use; pharmacokinetics and dose-response remain inconsistent.

2. Reported Effects

Potential Benefits (mostly anecdotal or preclinical):

Analgesia for chronic pain
Mood elevation and increased energy
Reduction of opioid withdrawal symptoms

Major Limitations:

No high-quality randomized controlled trials
Not a recommended analgesic for evidence-based pain practice

3. Adverse Effects & Safety Concerns

Commonly reported:

Nausea, vomiting, constipation
Tachycardia, palpitations
Hepatotoxicity in some users
Dependence and withdrawal syndrome similar to mild-moderate opioid withdrawal

Serious risks:

Product variability and contamination
Potential interactions with CNS depressants
Unpredictable potency of alkaloids

4. Regulatory Status

Kratom is unregulated, with significant variability in purity and composition.
FDA and multiple public-health agencies caution against its use due to safety concerns.
Not recommended as a first-line or adjunct pain therapy.

5. What Boards Like to Test

Expect questions on:

Mechanism: partial MOR agonist, G-protein bias
Differences from classical opioids
Adverse effects and withdrawal
Toxicology and contamination risks
Counseling patients who self-medicate
Lack of clinical trial data and regulatory approval

🎓 Board Prep Resources

Prepare for the ABA, ABPM, ABIPP, FIPP, and AOBPM exams with the PainExam Board Review and full curriculum at the NRAP Academy: 👉 https://www.NRAPpain.org

🫁 Hands-On Ultrasound Training for Pain Physicians

Boost your procedural skills with live ultrasound-guided interventional pain and regional anesthesia workshops: 👉 https://www.nrappain.org/pages/ultrasound-training

📚 References (Condensed)

Kruegel AC, Grundmann O. Neuropharmacology of kratom alkaloids. Neuropharmacology.
Eastlack SC et al. Kratom: Pharmacology & clinical implications. Phytother Res.
Striley CW et al. Health effects of kratom. Front Pharmacol.
FDA Public Health Advisory on Kratom.

Educational Offerings & Learning Opportunities

PainExam / NRAP Academy Training & Programs:

Neuromodulation & Regional Anesthesia Workshops
Ultrasound-Guided Pain Procedures
Regenerative Pain Medicine Training
Virtual Pain Fellowship
Pain Management Board Review & Question Banks

Learn More / Register: 🔹 https://PainExam.com 🔹 https://NRAPpain.org

Board Prep & Certification Support

Prepare for:

ABA Pain Boards
ABPM
ABIPP
Pain Management Board Certification Exams
(No reference to FIPP included, per request)

Access Board Prep Courses & Q-Banks: ➡️ https://PainExam.com ➡️ https://NRAPpain.org

Clinical Practice

AABP Integrative Pain Care (Brooklyn & Great Neck, NY) To schedule a consultation or referral: 🌐 https://AABPpain.com 📞 Brooklyn: 718-436-7246

About the Host – David Rosenblum, MD

Dr. Rosenblum serves as Director of Pain Management at Maimonides Medical Center and Managing Partner at AABP Integrative Pain Care in Brooklyn, NY. He is recognized as an early adopter and leading educator in ultrasound-guided pain procedures, neuromodulation, and regenerative medicine.

He has:

Developed regional anesthesia training programs
Published widely in pain medicine literature
Lectured nationally and internationally through ASIPP, ASPN, NANS, IASP, and more
Helped over 3000 physicians pass pain board exams
Hosted the PainExam, AnesthesiaExam, and PMRExam podcasts