A blood pressure of 106/58 is a good reading. It falls within the normal range, which is defined as below 120/80 mmHg, and it sits well above the threshold for low blood pressure (hypotension), which starts at 90/60 mmHg. For most people, this number means your heart and blood vessels are doing their job efficiently without excessive force on your artery walls.
Where 106/58 Falls on the Scale
The current guidelines from the American Heart Association and American College of Cardiology break blood pressure into clear categories. Normal is anything below 120 systolic (the top number) and below 80 diastolic (the bottom number). Elevated starts at 120 to 129 systolic with diastolic still under 80. Anything at 130/80 or above enters hypertension territory.
Your reading of 106/58 lands comfortably in the normal category on both numbers. The systolic pressure of 106 shows that when your heart contracts, it isn’t pushing blood with excessive force. The diastolic pressure of 58 means the pressure in your arteries between heartbeats is on the lower side of normal but still above the 60 mark that separates normal from low. In short, there is nothing in this reading that signals a problem on its own.
Why the Diastolic Number Looks Low
A diastolic reading of 58 is just barely below 60, which can catch your eye. But there is no official clinical threshold that labels diastolic pressure “too low” in isolation. The widely used cutoff for hypotension applies to the full reading: below 90/60. Since your systolic number is 106, the overall reading stays in a healthy zone.
Some people naturally run lower on the diastolic side. This is especially common in younger adults, physically active individuals, and women. A study of nearly 2,900 athletes published in the Journal of the American College of Cardiology found average resting blood pressures of 116/71 in female athletes and 123/73 in males, but these are averages. Plenty of fit, healthy people sit in the low 100s over the upper 50s without any issue.
When a Low Reading Actually Matters
Most health professionals consider blood pressure “too low” only when it causes symptoms. A number on a screen means very little if you feel fine. The symptoms that turn a low reading into a concern include:
- Dizziness or lightheadedness, especially when standing up quickly
- Blurred or fading vision
- Fainting or near-fainting episodes
- Persistent fatigue that doesn’t improve with rest
- Trouble concentrating
- Nausea or upset stomach
If you’re experiencing none of these, a reading of 106/58 is simply your body’s healthy baseline. Many people live with naturally low blood pressure their entire lives without ever needing treatment. The National Heart, Lung, and Blood Institute notes that for many people, low blood pressure goes completely unnoticed and requires no intervention.
Extreme drops in blood pressure are a different story. Signs of shock, such as cold and clammy skin, rapid shallow breathing, confusion, or a weak and fast pulse, require immediate medical attention. But this scenario involves sudden, severe drops, not a stable reading in the 106/58 range.
Factors That Influence Your Reading
Blood pressure is not a fixed number. It fluctuates throughout the day based on activity, hydration, stress, meals, and even the temperature of the room. A single reading of 106/58 is a snapshot. If you’re checking at home, your technique matters more than you might think. According to the American Heart Association, reading over clothing can throw the result off by 5 to 50 points. Crossing your legs, letting your arm hang unsupported, or using the wrong cuff size can all skew the measurement.
For the most accurate home reading, sit in a chair with back support, feet flat on the floor, and your bare upper arm resting at heart level with your palm facing up. Stay still and don’t talk during the reading. If you use a wrist monitor, positioning becomes even more critical since these devices are sensitive to arm angle.
Certain medications, particularly those prescribed for high blood pressure, heart conditions, or depression, can also push readings lower. Dehydration is another common culprit. If your reading seems unusually low compared to your typical numbers, checking your fluid intake and repeating the measurement after a few minutes of rest can help you get a more reliable picture.
Blood Pressure During Pregnancy
If you’re pregnant and wondering about this number, normal blood pressure during pregnancy is defined as 120/80 or lower, so 106/58 falls within that range. Blood pressure tends to dip naturally during pregnancy, particularly in the first and second trimesters, as your circulatory system expands to support the baby. A reading in the mid-100s over the upper 50s is not unusual during this period. The concern during pregnancy is high blood pressure, not low, though persistent dizziness or fainting should always be mentioned to your care provider.
What a Good Blood Pressure Actually Means
Having a reading of 106/58 puts you in a protective range for long-term health. Blood pressure in the normal category is associated with lower risk of heart attack, stroke, kidney disease, and other cardiovascular problems over time. You’re not in a gray zone that needs monitoring or lifestyle changes. You’re in the range that guidelines recommend everyone aim for.
The only time to pay closer attention is if your numbers start shifting significantly in either direction over time, or if you develop any of the symptoms listed above. Tracking your blood pressure periodically, even when it looks great, gives you a useful baseline so you can spot meaningful changes if they ever occur.