Overview
Leptospirosis (Weil's disease) is a bacterial infection caused by *Leptospira* species, often transmitted through water contaminated with the urine of infected animals. Severe cases are called Weil's disease, affecting the liver, kidneys, and other organs.
Symptoms
High fever and chills Headache and muscle aches Red eyes (conjunctival suffusion) Nausea, vomiting, and abdominal pain Jaundice in severe cases Kidney failure or bleeding in advanced cases
Causes
Contact with water, soil, or food contaminated by infected animal urine Occupational exposure (farmers, veterinarians, sewer workers) Recreational exposure (swimming in contaminated water)
Diagnosis
Blood or urine tests to detect *Leptospira* bacteria Serological tests for antibodies Evaluation of liver and kidney function in severe cases
Treatment
Antibiotics such as doxycycline or penicillin Hospitalization for severe cases with organ involvement Supportive care for dehydration, kidney or liver failure Preventive measures: protective clothing, avoiding contaminated water