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 severe trouble breathing, blue or grey lips, collapse, a seizure, severe confusion, or rapidly increasing swelling of the face or neck.
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
During treatment, contact the child’s cancer team urgently for:
A fever at or above the threshold provided by the treatment team
Shaking chills or signs of infection
New bruising or bleeding
Repeated vomiting or inability to drink
Much less urine than usual
New or worsening pain
Unusual sleepiness or confusion
Do not wait for a routine appointment if the treatment team has advised immediate contact for fever.
Infection can become serious quickly when white blood cell levels are low.
3
Does any of this apply?
Book an appointment
Arrange a routine medical assessment for a lump that is getting larger, lasts for several weeks or has no clear link to a recent infection.
Also seek assessment for unexplained fever, drenching night sweats, weight loss or ongoing tiredness.
These symptoms have many possible causes and do not by themselves mean a child has lymphoma.
Every sign above is quoted from the sofidex article on Hodgkin lymphoma in children. If you are not sure, err upward — it is always reasonable to be checked.