Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
1
Is any of this happening now?
Call 911
Seek emergency care for:
New confusion, extreme drowsiness, fainting, or a seizure
Trouble breathing, blue or grey lips, or severe chest discomfort
Signs of shock, such as cold, clammy skin or difficulty staying awake
Uncontrolled bleeding or a rapidly spreading purple rash
Severe weakness with very little urine
These symptoms can signal serious complications that need immediate care.
Other emergency signs, for anyone
Someone who is struggling to breathe, gasping, choking, or cannot get words out
Someone who has chest pain, tightness or pressure lasting more than a few minutes
Someone who has sudden weakness or drooping on one side of the face or body, slurred speech, or sudden confusion
Someone who is unconscious, or cannot be woken
Someone who is bleeding heavily and it will not stop with firm pressure
Someone who has had a seizure that will not stop, or does not wake up afterwards
Someone who has lips or skin that look pale, blue, grey or blotchy
Someone who you believe has taken an overdose or swallowed something poisonous
2
Is any of this happening?
Be seen today
Contact a healthcare professional promptly if you develop fever, severe headache, marked muscle aches, or unusual tiredness after a tick bite or time in tick habitat.
Mention where and when you may have been exposed.
Do not wait for a rash, because many people do not develop one.
Same-day assessment is particularly important if symptoms are worsening, you cannot keep fluids down, or you have a weakened immune system.
Early tests may not confirm the infection, so treatment may be based on the overall clinical picture.
Every sign above is quoted from the sofidex article on Ehrlichiosis. If you are not sure, err upward — it is always reasonable to be checked.