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 if:
And for anyone, someone who:
Do not wait for the next scheduled visit if treatment has become difficult to follow.
Seek urgent medical advice after a significant seizure-related injury, a first seizure during pregnancy, or a seizure pattern that is clearly different from usual.
Follow your individual seizure action plan if you have one.
Arrange routine follow-up if seizures continue, become more frequent, change in pattern, or cause troublesome side effects.
Contact your epilepsy team if you are missing medicine because of cost, swallowing problems, pregnancy, or side effects.
The article also says
During a convulsive seizure, move nearby hazards, cushion the head, and time the event.
Do not restrain the person or put anything in their mouth.
When the shaking stops, turn them onto their side if it is safe to do so and stay with them while they recover.
Every sign above is quoted from the sofidex article on Refractory epilepsy. If you are not sure, err upward — it is always reasonable to be checked.