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
Call emergency services for difficulty breathing, fainting, or swelling of the lips, tongue, or throat after taking a medicine, as these can be signs of a severe allergic reaction.
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 care if there is:
A painful, soft, boggy swelling suggesting a kerion
Rapidly increasing redness, warmth, swelling, or discharge
Fever or feeling significantly unwell
Swelling or rash that is worsening despite treatment
New symptoms that may be a side effect of oral medicine
3
Does any of this apply?
Book an appointment
Arrange a medical appointment soon if you or your child has unexplained patches of scalp scaling, broken hairs, or hair loss.
Beard-area swelling, crusting, or loose hairs also needs assessment.
Early treatment helps limit spread and lowers the risk of scarring.
Routine follow-up is appropriate when symptoms are gradually improving but hair has not yet regrown, or when you need planned monitoring during treatment.
The article also says
Ringworm itself is not usually an emergency.
Every sign above is quoted from the sofidex article on Ringworm of the scalp or beard. If you are not sure, err upward — it is always reasonable to be checked.