Lyme Science Blog

Lyme Carditis and Complete Heart Block in a 26-Year-Old Man Complete heart block from Lyme disease can deteriorate rapidly even after antibiotics begin. A 26-year-old man progressed from 2:1 AV block to complete block with asystole within 24 hours of starting treatment, requiring emergency pacemaker placement. His complete recovery and pacemaker removal after 19 days […]

Atypical Early Disseminated Lyme Disease Symptoms Early disseminated Lyme disease symptoms may present without the classic rash, making diagnosis more challenging. “On presentation to our hospital, the patient continued to complain of severe headaches and was noted to have mild unilateral right-sided facial droop and a diffuse macular rash throughout the body,” explains Kantamaneni in

Lyme Disease Risk in Dogs in Canada Lyme disease dogs Canada risk varies by region, with higher seroprevalence reported in areas closer to the United States. The highest seroprevalence of B. burgdorferi in dogs was observed in Nova Scotia (15.7%) and Eastern Ontario (5.1%), with surrounding areas showing moderate to low rates, according to Herrin

Lyme Disease Dormancy: Can Bacteria Survive Antibiotics? CAN LYME DISEASE HIDE FROM TREATMENT? SOME BACTERIA MAY SLOW DOWN OR GO DORMANT AND REACTIVATE LATER Lyme disease dormancy research suggests that some forms of Borrelia burgdorferi may survive treatment by entering low-activity states. Quick Answer: Borrelia may enter dormant states—including persister and VBNC forms—that allow survival

Could Lyme Disease Cause ADHD Symptoms in Children? Lyme disease ADHD symptoms children may mimic attention deficit disorder, making diagnosis challenging. After 37 years treating Lyme disease, I have seen children diagnosed with ADHD whose symptoms improved with antibiotic treatment. This case highlights why attention problems in children may warrant evaluation for tick-borne infections. When

Stroke as a Manifestation of Lyme Disease: A Missed Diagnosis in Younger Patients Stroke as a manifestation of Lyme disease is often overlooked—especially in younger patients without traditional vascular risk factors. In clinical practice, unexplained stroke in an otherwise healthy individual should raise concern for Lyme neuroborreliosis, where infection-driven inflammation can affect cerebral blood vessels.

Johns Hopkins Study Supports Early Identification of Lyme Disease Patients for Re-Treatment Early identification of Lyme disease patients for re-treatment remains a critical clinical challenge. Even after standard antibiotic therapy, a subset of patients continue to experience fatigue, pain, and cognitive symptoms—raising important questions about who may benefit from closer follow-up or additional treatment. In

Pain and Fatigue After Lyme Disease Treatment: What a 3-Week Study Found FINISHED TREATMENT? STILL FEELING UNWELL? WHY DO SYMPTOMS PERSIST AFTER LYME DISEASE? Pain and fatigue after Lyme disease treatment can persist in some patients despite completing standard antibiotic therapy. These symptoms may affect daily functioning and continue for months after treatment ends. In

When Lyme Disease Causes a Positive Test for Mononucleosis Quick Answer: Lyme disease can cause false positive mononucleosis tests, especially Epstein-Barr virus (EBV) VCA IgM results. This cross-reactivity can delay Lyme diagnosis when fatigue, fever, and rash are mistaken for mono. In an article published in the journal Clinical Infectious Diseases, Pavletic from the National