What should I do now?
Call 911
Call 911 for new or unexplained chest pressure that persists or returns, severe trouble breathing, collapse without normal recovery, or sudden face/arm weakness or trouble speaking. Do not drive yourself.
Contact your care team
Contact your care team for persistent or worsening fatigue or a meaningful decline in your usual activity.
Keep your care plan
Record how symptoms affect daily tasks, and review sleep and medications with your clinician.
SECTION 5
How is fatigue treated?
Treatment targets the identified cause. It may involve treating anemia or thyroid disease, managing sleep apnea, adjusting medicines, or treating heart or lung disease.
Rebuilding stamina
Once activity is safe, a gradual plan can improve conditioning. Selected patients benefit from cardiac rehabilitation. Rest breaks, consistent sleep, and balanced nutrition may help.
Do not assume supplements will solve fatigue or start strenuous exercise to force improvement. Some illnesses require pacing rather than pushing through symptoms.
Report new swelling, breathlessness, or worsening exercise tolerance during treatment. Follow-up helps determine whether the plan is working.
Updated October 2026. Educational information; your own care plan may differ. Medical illustrations are simplified examples for teaching.