Hard to get going in the morning, tired and unfocused during the day – and when you stand up quickly, everything suddenly goes black. Anyone with relatively low blood pressure readings may be familiar with several of these complaints. In fact, fatigue, weakness, and dizziness can occur in conjunction with low blood pressure.
But is low blood pressure really the reason for the fatigue? Why do you get dizzy when you stand up – and when should you take a closer look? The decisive factor is not just the number on the blood pressure monitor, but the overall pattern of symptoms.
Blood pressure is indicated by two values. The upper, systolic value describes the pressure during the heart's ejection phase. The lower, diastolic value refers to the relaxation and filling phase between heartbeats.
Low blood pressure – medically known as hypotension – is often defined as values below approximately 90/60 mmHg. However, a single number does not determine whether there is a health problem. Some people have naturally low readings and feel perfectly fine.
Low blood pressure becomes relevant primarily when symptoms such as dizziness, weakness, lightheadedness, or feelings of fainting occur, when the values are suddenly significantly lower than usual, or when there is an underlying cause.
Yes, fatigue and a feeling of weakness can occur along with low blood pressure. Some people affected feel they have low energy, have a hard time getting going in the morning, or struggle to concentrate. At the same time, dizziness, lightheadedness, or an unsteady feeling upon standing can occur.
However, the connection is not so simple that a low measurement automatically causes fatigue. Blood pressure and circulatory regulation are only possible factors – and people with similarly low blood pressure readings can feel completely different.
Fatigue is a very non-specific symptom. Sleep deprivation, stress, infections, anemia or iron deficiency, thyroid disorders, medications, and numerous other factors can also play a role. Persistent or unusually severe fatigue should therefore not be explained by low blood pressure alone.
Disrupted circulatory regulation is sometimes particularly evident when standing up. When moving from a lying or sitting position to a standing one, gravity temporarily shifts blood toward the legs and abdominal cavity.
Normally, the body reacts within a very short time: the blood vessels constrict, and the heart and circulation adapt to stabilize blood pressure and ensure the brain continues to be sufficiently supplied with blood.
If this adjustment does not work quickly enough, blood pressure can drop significantly upon standing. Possible consequences include dizziness, lightheadedness, blurred or darkening vision, weakness – and sometimes fainting.
Classical orthostatic hypotension is defined as a drop in systolic blood pressure of at least 20 mmHg or diastolic blood pressure of at least 10 mmHg within three minutes of standing up. The crucial factor here is the change in posture, not just a fundamentally low baseline value.
Those suffering from circulatory complaints often describe more than just a fleeting moment of dizziness. Weakness, lightheadedness, and impaired concentration can also be part of the clinical picture.
Such symptoms can be noticeable, for example, in the morning after getting up, during prolonged standing, in the heat, or if one has not drunk enough fluids. Heat dilates blood vessels, while fluid deficiency can reduce the circulating blood volume. Both can promote circulatory complaints.
Therefore, it is worthwhile to take a closer look at recurring fatigue: Does it occur together with dizziness, lightheadedness, or symptoms upon standing? Or does the exhaustion exist independently throughout the day? Such observations can be helpful for a medical assessment.
Some people consistently have rather low blood pressure values without an underlying disease. However, low blood pressure can also occur temporarily or as a result of other factors.
Blood loss and certain acute illnesses can also lead to a drop in blood pressure. A sudden onset of low blood pressure should therefore be evaluated differently than permanently low values in a person who otherwise feels well.
Anyone who has symptoms primarily in the morning or when standing up can give their circulation a little more time: first move from lying to sitting, stay on the edge of the bed for a moment, and only then stand up slowly.
Adequate fluid intake is also important, provided there are no medical reasons against it. This should be paid particular attention to, especially in warm weather or during heavy sweating. Furthermore, regular physical activity generally supports the cardiovascular system.
If dizziness or weakness signals occur after prolonged standing, certain muscle maneuvers can temporarily support circulation. These include, for example, vigorously tensing the leg and gluteal muscles or crossing and tensing the legs.
Especially when you feel tired and have a weak circulation, it is tempting to reach for coffee or particularly salty foods. However, the well-known circulation tips are not equally suitable for everyone.
No. Fatigue and weakness can occur together with low blood pressure, but have numerous potential causes. Especially in the case of prolonged or severe fatigue, blood pressure should therefore not be blamed alone.
Persistently low values without symptoms are often unproblematic. A sudden drop in blood pressure, repeated fainting spells, or low blood pressure combined with other symptoms, however, can indicate an underlying cause requiring treatment.
This is not recommended as a blanket rule. Higher salt intake can affect blood pressure but is not suitable for everyone – for example, in cases of certain heart or kidney diseases or co-existing high blood pressure. A targeted increase should therefore be discussed with a doctor.
Caffeine can temporarily make you more alert and can also affect blood pressure. However, this does not clarify the cause of persistent fatigue nor the cause of recurring circulatory complaints.
Anyone who feels unusually tired or exhausted over a longer period should not automatically assume a "weak circulation." Especially if the fatigue persists even after sufficient sleep, becomes increasingly severe, or significantly impairs performance, other causes may play a role.
During a medical examination, depending on the situation, sleep, medications, diet, and other complaints may be considered in addition to blood pressure and pulse. Whether laboratory tests are useful is decided based on the individual's pattern of symptoms.
It can be helpful to observe for a few days when fatigue and circulatory symptoms occur: immediately after getting up, in the heat, after standing for a long time, after meals, or independently of such situations. This information can help in better categorizing the complaints.
Recurring dizziness, feelings of fainting, or actual loss of consciousness should not be explained by a "weak circulation" alone. Persistent severe fatigue also deserves an investigation, especially if it occurs for the first time or is accompanied by other symptoms.
During the examination, blood pressure and pulse in lying and standing positions, medications taken, and possible underlying diseases can be considered.
Loss of consciousness, chest pain, severe shortness of breath, or serious or sudden symptoms occurring with a significant drop in blood pressure require prompt medical assessment. In an acute emergency in Switzerland, call the emergency number 144.
Low blood pressure can manifest itself not only through dizziness when standing up. Fatigue, weakness, lightheadedness, and concentration problems can also occur along with circulatory complaints.
A low blood pressure reading does not, however, automatically explain fatigue. Anyone who feels unusually tired over the long term or suffers from repeated dizziness, feelings of fainting, or other symptoms should therefore search more closely for the cause and have it checked medically if necessary.
Low blood pressure can be accompanied by fatigue, weakness, and concentration problems, especially if dizziness or symptoms upon standing also occur. However, fatigue has many potential causes and should not automatically be attributed to blood pressure if it persists over a long period.
Values below approximately 90/60 mmHg are often referred to as low blood pressure. The decisive factor, however, is not only the measurement result but also whether symptoms occur and what the underlying cause is.
When standing up, the circulation must quickly adapt to the upright body position. If blood pressure drops significantly in the process, dizziness, weakness, or darkening vision can occur. Morning fatigue can coexist, but also has numerous other potential causes.
This is when blood pressure drops significantly upon shifting to an upright body position. Classical orthostatic hypotension is defined as a drop of at least 20 mmHg systolic or 10 mmHg diastolic within three minutes of standing up.
Caffeine can temporarily make you feel more alert and affect blood pressure. However, in the case of persistent fatigue or recurring circulatory problems, coffee is not a substitute for determining the underlying cause.
Not necessarily. A higher salt intake can affect blood pressure, but it is not suitable for everyone. A targeted increase should therefore be discussed with a medical professional.
If fatigue lasts for a long time, is unusually pronounced, significantly impairs your ability to function, or occurs in conjunction with recurring dizziness, fainting, or other new symptoms, a medical evaluation is advisable.
Note: This article is for general information purposes only and does not replace professional medical diagnosis, advice, or treatment. Low blood pressure and fatigue can have various causes. In the case of persistent, severe, or newly emerging symptoms, please consult a medical professional. The content does not refer to HAWLIK products.
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Medicinal mushrooms with tradition
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