Do you had a low blood pressure? Blood pressure lower than 120/80 mm Hg is considered normal. The lower your blood pressure reading is, the better, but in certain limits. As long as no symptoms of trouble are present There is no specific number when blood pressure is considered too low.
As long as you are not experiencing symptoms of low blood pressure, there is no need for concern. Most doctors consider chronically low blood pressure dangerous only if it causes noticeable signs and symptoms, such as:
• Dizziness or lightheadedness
• Fainting (called syncope)
• Dehydration and unusual thirst
Dehydration can sometimes cause blood pressure to drop. However, dehydration does not automatically signal low blood pressure. Fever, vomiting, severe diarrhea, overuse of diuretics and strenuous exercise can all lead to dehydration, a potentially serious condition in which your body loses more water than you take in. Even mild dehydration (a loss of as little as 1 percent to 2 percent of body weight), can cause weakness, dizziness and fatigue.
• Lack of concentration
• Blurred vision
• Nausea Cold, clammy, pale skin
• Rapid, shallow breathing
• Fatigue
• Depression
As long as no symptoms are present, low blood pressure is not a problem. However, if your blood pressure is normally higher or if you are experiencing any of the symptoms listed above, your low pressure may have an underlying cause.
Low blood pressure can occur with:
• Prolonged bed rest
• Pregnancy
• Decreases in blood volume
• Certain medications
• Heart problems
• Endocrine problems
• Severe infection (septic shock)
• Allergic reaction (anaphylaxis)
• Neurally mediated hypotension
• Nutritional deficiencies
A single lower-than-normal reading is not cause for alarm if you are not experiencing any other symptoms or problems, when you notice a sudden decline of your blood pressure. However, a sudden drop in blood pressure – even a change of just 20 mm Hg – can cause dizziness or fainting. Sometimes a rapid decrease in blood pressure can indicate an underlying problem such as:
• Uncontrolled bleeding
• Severe infections
• Allergic reaction
• Postural (orthostatic) hypotension
If you experience any dizziness or lightheadedness, it’s a good idea to consult with your healthcare provider. If you have gotten dehydrated, have low blood sugar or have spent too much time in the sun or a hot tub, it is more important to recognize how quickly your blood pressure drops than how low it drops. Keep a record of your symptoms and your activities at the time your low blood pressure symptoms occurred.
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