Diseases and Conditions
Lyme disease
Overview
Symptoms
Causes
Risk factors
Complications
Prevention
Diagnosis
Treatment
Alternative medicine
Preparing for an appointment
Complications
Untreated Lyme disease can cause:
- Chronic joint inflammation (Lyme arthritis), particularly of the knee
- Neurological symptoms, such as facial palsy and neuropathy
- Cognitive defects, such as impaired memory
- Heart rhythm irregularities
