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Pectoralis Minor Syndrome: An Overlooked Cause of Shoulder, Arm, and Nerve Pain
Pectoralis minor syndrome is an often-missed cause of shoulder, chest, and arm pain. It occurs when a tight chest muscle compresses nerves and blood vessels beneath it. Symptoms can include tingling, weakness, and discomfort that worsens with posture or overhead activity. With proper diagnosis, most patients improve using simple strategies like stretching, strengthening, and posture correction—avoiding unnecessary procedures.

David Stephen Klein, MD FACA FACPM
4 days ago3 min read


Foot Pain: Understanding the Causes, Diagnosis, and Treatment Options
Foot pain can result from plantar fasciitis, nerve entrapment, tendon degeneration, or systemic disease. This guide explains causes, diagnosis, and effective treatment strategies to restore mobility and reduce pain.

David Stephen Klein, MD FACA FACPM
Apr 123 min read


Trigeminal Neuralgia: Understanding the Most Severe Facial Pain—and Emerging Targeted Treatment Options
Trigeminal neuralgia is one of the most severe pain conditions encountered in medicine. This physician-guided review explains the anatomy of the trigeminal nerve, why pain occurs, and how modern therapies—including targeted topical anticonvulsants and anti-inflammatory agents—can provide relief. Learn how nerve-specific diagnosis improves outcomes and expands treatment beyond traditional medications and surgery.

David Stephen Klein, MD FACA FACPM
Apr 16 min read


Alpha Lipoic Acid and Healthy Aging
Alpha lipoic acid supports mitochondrial energy production, improves insulin sensitivity, and protects vascular and nerve health. This physician-to-patient guide explains how ALA may support disease prevention and healthy aging when used within a comprehensive longevity strategy.

David Stephen Klein, MD FACA FACPM
Mar 274 min read


Saphenous Neuralgia: The Frequently Missed Cause of Medial Knee and Leg Pain
Saphenous neuralgia is an under-recognized cause of medial knee and leg pain characterized by burning hypersensitivity without weakness. Often mistaken for arthritis or meniscal injury, it responds best to targeted nerve evaluation and ultrasound-guided treatment.

David Stephen Klein, MD FACA FACPM
Mar 95 min read


Migraine vs Sinus Headache
Migraines and sinus headaches are often confused because they can share facial pain, congestion, and watery eyes—but they are fundamentally different conditions that require different treatments. Migraines are a neurological disorder commonly associated with throbbing head pain, nausea, and sensitivity to light and sound, while true sinus headaches result from inflamed or infected sinus cavities and are typically accompanied by thick nasal discharge, fever, and pain that wors

David S. Klein, MD FACA FACPM
Jan 85 min read


Back Pain Due to Cluneal Nerve: Entrapment Cryptogenic Back Pain. When the Problem is NOT the Disc
Back and buttock pain that persists despite standard imaging and conservative therapy often leaves patients and clinicians searching for an underlying explanation. One frequently overlooked cause involves injury or entrapment of the cluneal nerves—three distinct sensory nerve groups that supply the skin over the lower back, sacrum, and buttocks. When compressed or inflamed, these nerves can generate pain syndromes that closely resemble lumbar radiculopathy, sacroiliac dysfunc

David S. Klein, MD FACA FACPM
Nov 28, 20256 min read


Understanding Plantar Fasciitis: Foot Pain Causes, Treatment, and Prevention
Plantar Fasciitis is a common cause of foot and heel pain. Worse in the morning, it can cause gait abnormalities, pain that is difficult to control, and impairment of activities of daily life.

David S. Klein, MD FACA FACPM
Sep 26, 20254 min read


When Is Abdominal Pain An Emergency?
Abdominal Pain may be a medical emergency or it can be an experience of everyday life. Emergency or nuisance? A little insight into the decision making process is presented, here.

David S. Klein, MD FACA FACPM
Sep 22, 20255 min read


Migraine vs Sinus Migraine: How To Identify the Difference
Understanding the difference between Migraine and Sinus Headache (Sinus Migraine) makes all of the difference in effective treatement.

David S. Klein, MD FACA FACPM
Aug 26, 20254 min read
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