Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
A treatment plan should explain who to contact during office hours, what to do outside those hours, and when emergency services are needed.
After a crisis or emergency visit, timely follow-up can help review the trigger, update the safety plan, and reconnect the person with ongoing treatment.
Immediate danger, a suicide attempt, a severe injury, or an inability to stay safe requires urgent or emergency help rather than waiting for a routine visit.
Routine follow-up allows the person and clinician to review symptoms, safety, relationships, daily functioning, and progress toward treatment goals.
Visits may also address physical health, substance use, sleep, and any medicine side effects.
Routine concerns to raise at an appointment include increasing emotional instability, more frequent self-harm urges, medication problems, substance use, worsening relationships, or difficulty attending therapy.
The article also says
If therapy does not feel helpful, discuss the reasons before stopping when possible.
The approach may need to change, goals may need to become clearer, or a different therapist may be a better fit.
Medicines should not be stopped suddenly without speaking to the prescriber, because some can cause withdrawal symptoms or a return of the condition they were treating.
Every sign above is quoted from the sofidex article on Borderline personality disorder. If you are not sure, err upward — it is always reasonable to be checked.