Clinical signs & symptoms
Signs and symptoms often begins within 1-2 weeks depending upon the immune system of an individual.
Early signs and symptoms (days 1-5) are usually mild or moderate and may include:
- Fever, chills
- Severe headache
- Muscle aches
- Nausea, vomiting, diarrhea, loss of appetite
Rarely, if treatment is delayed or if there are other medical conditions present, ehlrichiosis can cause severe illness. Prompt treatment can reduce your risk of developing severe illness.
Signs and symptoms of severe (late stage) illness can include:
- Respiratory failure
- Bleeding problems
- Organ failure
- Urine is dark or yellow due to the presence of bilirubin.
Risk factors for severe illness:
- Delayed treatment
- Age: being older puts you at risk
- Weakened immune system: People with weakened immune systems (such as those receiving some cancer treatments, individuals with advanced HIV infection, prior organ transplants, or people taking some medications) are at risk for severe illness