The emergency room is for problems that could threaten your life, a limb, or an organ, or that could get rapidly worse without immediate care. Classic examples include chest pain or pressure, sudden severe shortness of breath, signs of a stroke (face drooping, arm weakness, slurred speech), severe uncontrolled bleeding, a major head injury, sudden severe abdominal pain, seizures, or any loss of consciousness. If you are ever unsure whether something is an emergency, treat it as one and call your local emergency number.
Urgent care or a walk-in clinic is appropriate for things that need attention within a day but are clearly not life-threatening: minor cuts that may need stitches, sprains, mild fevers, urinary symptoms, ear infections, or a flare of a known condition. These services help take pressure off emergency departments for genuinely minor issues.
Telehealth can be a useful first step for non-emergencies to help you decide where to go, but it is not a substitute for emergency care. If symptoms are severe, sudden, or worsening fast, do not wait for an online appointment, seek urgent in-person care.