Tick-borne illnesses can cause nausea, especially when an infection affects the whole body and triggers flu-like symptoms. Illnesses such as Lyme disease, ehrlichiosis, anaplasmosis, and Rocky Mountain spotted fever may lead to stomach upset along with fever, fatigue, headache, body aches, or a rash. In this blog, we will discuss why tick-related infections may cause nausea, how you can ease symptoms safely, when to seek care, and how urgent care medical providers can treat your ...