Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Seek urgent or emergency care for:
People with known seizures or breathing problems should have an emergency plan developed with their clinical team.
Caregivers, school staff, and other regular helpers should know where to find it.
Contact the treating clinician promptly for new or gradually worsening swallowing problems, repeated coughing with meals, weight loss, increased falls, changes in seizure pattern, new weakness, worsening sleep symptoms, or loss of previously stable abilities.
Follow-up should be tailored to symptoms and how quickly they are changing.
Routine visits may review development, mobility, seizures, muscle tone, pain, nutrition, swallowing, communication, sleep, breathing, bladder and bowel function, and emotional well-being.
The article also says
Repeat MRI is not automatically needed at every visit.
A neurologist may recommend imaging when symptoms change, when the diagnosis is uncertain, or when the result could affect care.
Medication and equipment should be reviewed as a person grows or their abilities change.
Every sign above is quoted from the sofidex article on Alexander disease. If you are not sure, err upward — it is always reasonable to be checked.