You usually cannot tell by symptoms alone
The only reliable way to know is to measure your blood pressure
A reading of 130/80 mmHg or higher may indicate high blood pressure
A reading of 140/90 mmHg or higher is high blood pressure in many settings
You may have no symptoms at all
Possible signs can include headaches
Possible signs can include dizziness
Possible signs can include blurred vision
Possible signs can include chest pain
Possible signs can include shortness of breath
Possible signs can include nosebleeds
Possible signs can include pounding in the chest, neck, or ears
Repeated high readings at home may suggest high blood pressure
A doctor or pharmacist can confirm it with proper measurements
Seek urgent care for chest pain, severe headache, shortness of breath, weakness, or vision changes
