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
Get emergency help for chest pain, fainting, confusion, severe weakness or trouble breathing at rest.
Do not wait for a stool test before seeking emergency 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
Seek prompt medical advice if:
You are pregnant and may have been exposed
A child has ongoing symptoms, poor weight gain or unusual tiredness
You have increasing breathlessness or a fast heartbeat
Symptoms continue after treatment
You notice blood in your stool or black, tar-like stool
These symptoms can occur with severe anaemia or another urgent condition.
And for anyone, someone who:
has a fever with a stiff neck, a rash that does not fade under pressure, or severe headache
has a wound that is hot, spreading red, or leaking pus
3
Does any of this apply?
Book an appointment
Arrange a routine medical appointment if you have persistent stomach symptoms, an unexplained itchy rash after soil exposure, unusual tiredness or signs of anaemia.
Mention recent travel, where you have lived and whether your bare skin contacted soil.
The article also says
Black stool can also occur with iron supplements, but it should not automatically be assumed to be harmless.
Every sign above is quoted from the sofidex article on Hookworm infection. If you are not sure, err upward — it is always reasonable to be checked.