It is normal for blood pressure readings to vary throughout the day. However, if your readings seem inconsistent or “all over the place,” it is usually due to measurement conditions rather than a problem with the device.
Common reasons for inconsistent readings
- Body position changes (sitting, standing, or moving)
- Arm not at heart level
- Talking or moving during measurement
- Stress, anxiety, or recent activity
- Caffeine, nicotine, or food intake before measuring
- Incorrect cuff placement or fit
How to get more accurate readings
Follow these steps for more consistent results:
- Sit quietly for at least 5 minutes before measuring.
- Sit with your back supported and feet flat on the floor.
- Keep your arm relaxed and at heart level.
- Place the cuff on bare skin, not over clothing.
- Do not talk or move during the measurement.
- Take readings at the same time each day.
Best practice
- Take 2–3 readings, one minute apart, and average the results.
- Use the same arm each time for consistency.
When to be concerned
If your readings remain unusually high or low, or vary significantly even when following proper steps, you may want to consult a healthcare professional.
When to contact support
If you believe your device may not be working correctly, please contact iHealth Customer Support at support@ihealthlabs.com for assistance.