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 or go to an emergency department now if you:
New or severe chest pain, major breathing difficulty, fainting, or symptoms of a stroke also need emergency assessment.
Do not assume a serious physical symptom is caused only by grief.
It is also reasonable to seek help sooner if you feel stuck, isolated, or unsure how to cope.
You do not need to wait for a set amount of time.
Arrange same-day help if you are having thoughts about suicide or self-harm, even if you do not intend to act on them.
Also seek same-day care if you are using alcohol or drugs in a way that feels unsafe, cannot manage essential food or fluids, or have gone several nights with almost no sleep.
If possible, stay with a trusted person and move away from weapons, large amounts of medication, or other means of harm while urgent help is arranged.
Contact a doctor or mental health professional for a routine appointment if grief continues to interfere with sleep, self-care, work, school, or relationships.
Every sign above is quoted from the sofidex article on Grief. If you are not sure, err upward — it is always reasonable to be checked.