Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Follow the discharge instructions from the emergency department, poison center, or prescribing clinician.
Call emergency services for chest pain, fainting, a seizure, severe breathing trouble, or reduced responsiveness.
And for anyone, someone who:
Seek urgent reassessment if a racing or irregular heartbeat returns, weakness worsens, vomiting prevents fluid intake, or breathing symptoms come back.
Keep any planned appointments for repeat testing, especially if potassium, blood sugar, lactate, or the ECG was abnormal.
Routine follow-up should review why the exposure happened.
A clinician or pharmacist can check inhaler technique, nebulizer measurements, product labels, and the written action plan for asthma or another lung condition.
If a rescue medicine is needed more often than expected, the long-term treatment plan may need review rather than repeated self-directed dosing.
After an intentional overdose, follow-up should include mental health care and a safety plan.
Immediate crisis support is appropriate if thoughts of self-harm return.
And for anyone, someone who:
The article also says
Store medicines in their original packaging and out of children’s sight and reach.
Keep nebulizer concentrates separate from ready-to-use containers.
A current medication list can help prevent accidental duplication.
Every sign above is quoted from the sofidex article on Adrenergic bronchodilator overdose. If you are not sure, err upward — it is always reasonable to be checked.