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 you have trouble breathing, cannot clear food from your airway, or develop a sudden severe spasm of the tongue, jaw, or neck.
A sudden spasm soon after starting or increasing a medicine may be an acute dystonic reaction rather than tardive dyskinesia, but it can still require emergency treatment.
And for anyone, someone who:
Arrange a routine but prompt appointment if you notice new repetitive movements of your lips, tongue, jaw, or face, especially if you take or previously took an antipsychotic or dopamine-blocking nausea medicine.
Get urgent help if you cannot swallow fluids, are becoming dehydrated, or repeatedly choke while eating.
And for anyone, someone who:
And for anyone, someone who:
The article also says
Seek faster medical advice if the movements are worsening, causing mouth injuries, interfering with eating or drinking, or making speech difficult.
New movements after a medication change should also be reported.
Every sign above is quoted from the sofidex article on Tardive oral dyskinesia. If you are not sure, err upward — it is always reasonable to be checked.