Things that maybe useful:
Anxiety can be extremely frightening and can affect our everyday lives, during my time as a Counsellor and a Psychotherapist anxiety seems to be one of the areas within mental health that is on the increase, this could be due to our lifestyle stresses such as work, family or other pressures. Here is a list that may help when experiencing any level of anxiety, see what works for you.

Name 5 things you can see
Name 5 things you can touch
Name 5 things you can smell
Name 5 things you can hear

Slow down your breathing, so you can comfortably breathe in through your nose and out through your mouth.

Squish something like Blue Tac/Putty
Tie knots in string
Write everything down, maybe start a journal