Lyme Science Blog

Post-Exertional Malaise in Lyme Disease Explained Many patients with Lyme disease describe a confusing pattern: they complete a workout, busy day, or stressful activity without immediate difficulty — only to crash hours later. Post-exertional malaise (PEM) refers to a delayed worsening of symptoms after physical, cognitive, or emotional exertion. Instead of symptoms appearing during activity, […]

Black Teeth After Antibiotics in Lyme Disease: Causes and Reversible Solutions Black stains on teeth can look frightening. But antibiotic-related discoloration is often reversible. Sometimes the enamel underneath is completely healthy. A Case That Surprised Both Patient and Clinician One of my patients recently developed black teeth after taking antibiotics for Lyme disease. The discoloration

Why Am I So Sensitive to Light and Sound? For some Lyme disease patients, light sensitivity in Lyme disease and sound sensitivity are among the earliest and most disruptive neurologic symptoms. The brightness of kitchen lights may feel blinding, and the sound of a spoon dropping can trigger a jolt of discomfort. Patients often dim

Lyme Tinnitus and Ear Fullness: Causes and Why It Won’t Stop Lyme tinnitus and ear fullness can be persistent and unsettling—especially when your hearing tests are normal, yet the ringing, pressure, or blocked sensation won’t go away. Many patients are told “everything looks fine.” But in Lyme disease, these symptoms often reflect neurologic, inflammatory, and

Brain Zaps and Internal Vibrations in Lyme Disease: Why They Happen Quick Answer: Brain zaps and internal vibrations in Lyme disease are neurologic symptoms linked to central sensitization, autonomic dysfunction, and neuroinflammation. These sensations reflect altered nerve signaling—not anxiety—and often occur during flares or nervous system instability. The electrical jolts started without warning. Every few

Can Lyme Disease Cause Bladder Pain or Urgency? Many patients come to me after months of bladder discomfort that no one can explain. They describe pelvic pressure, burning, or an overwhelming urge to urinate — yet every culture, scan, and exam has been normal. They tell me things like, “My bladder feels inflamed,” or, “It’s

Why Lyme Symptoms Get Worse During Your Period Many women tell me the same thing: their Lyme symptoms get worse during their period, often during the exact same window every month. Fatigue deepens. Pain sharpens. Dizziness, palpitations, and air hunger return. What should be a predictable cycle becomes a predictable crash. When Lyme symptoms worsen

Why Lyme Disease Causes Heat and Cold Intolerance Many patients with Lyme disease describe something they never struggled with before: they suddenly cannot tolerate heat or cold. Lyme heat and cold intolerance may occur when autonomic dysfunction affects the body’s ability to regulate temperature normally. Patients may walk into a warm room and suddenly feel

Lyme Disease and Stress: Why It Can Feel Like PTSD Lyme disease and stress can overlap when the nervous system stays on alert Inflammation, flares, and nervous system stress may trigger PTSD-like symptoms Panic, dread, air hunger, and hypervigilance may have biologic roots Lyme disease and stress can overlap in ways that feel frightening and

Lyme Disease Abdominal Pain: What Doctors Often Miss Lyme disease abdominal pain often reflects autonomic or neurologic dysfunction rather than a primary gastrointestinal disorder. She’d seen seven specialists in 18 months, but no one could explain her abdominal pain. The tests were normal. The pain was not. Her doctors never considered that Lyme disease abdominal