Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Call emergency services now if the person:
Call emergency services or a local crisis service and stay with the person if it is safe to do so.
And for anyone, someone who:
Do not wait for symptoms if the exposure may have been an attempt at self-harm.
Contact a poison centre promptly after lotion is swallowed, especially when the amount is unknown, the product is medicated, a child is involved, or symptoms have started.
Keep the container nearby.
Seek urgent medical assessment for repeated vomiting, worsening stomach pain, unusual sleepiness, poor coordination, or a persistent cough after choking on lotion.
Routine follow-up is reasonable if mild symptoms continue beyond the period predicted by the poison centre, or if cough, reduced appetite, or bowel changes do not settle.
It is also appropriate after repeated accidental exposures or any intentional ingestion.
Every sign above is quoted from the sofidex article on Hand lotion poisoning. If you are not sure, err upward — it is always reasonable to be checked.