Common "Orthostatic Hypertension" queries answered by top doctors | iCliniq

Orthostatic Hypertension

Orthostatic hypertension refers to an increase in blood pressure during an upright posture. It is a form of low blood pressure caused by blood vessels failing to constrict when the body takes an upright position. Dehydration, nervous system disorders like Parkinson's disease, and heart problems lead to orthostatic hypertension. The most common symptom is dizziness or lightheadedness while standing up.

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Is orthostatic hypotension causing my nausea and dizziness?

Query: Hello doctor,I just woke up at midnight and slept down for a while, and now I feel nauseous over the past three hours every time I try to stand. I was feeling uneasy, so I assumed my blood pressure was low and I was dehydrated, but I had just cooked food and had plenty of water, and now I want to th...  Read Full »

Dr. Vandana Andrews

Answer: Hello, Welcome to I read your query and can understand your concern. If you experience recurrent symptoms of nausea, dizziness, and head heaviness, you may have orthostatic hypotension (OH). OH is a form of low blood pressure that happens when you quickly stand up, forcing blood to rush...  Read Full »

Is variability of blood pressure a symptom of orthostatic hypertension?

Query: Hi doctor, My blood pressure is high when I am up. It is 150/95 mmHg but drops as low as 77/45 mmHg when laying down. My cardiologist told me this makes no sense and dismissed me. I am not lying. This is happening every single time. My left-sided heart, liver, and spleen are enlarged. I have a histo...  Read Full »

Dr. Muhammad Zohaib Siddiq

Answer: Hi, Welcome to Thanks for the query. Yes, this can occur. It is called orthostatic hypertension, and it signals an abnormality in cardiovascular autonomic control mechanisms. Diabetes mellitus may be one of its causes as it leads to autonomic dysfunction. Control diabetes, cholesterol...  Read Full »

Can dehydration cause dizziness along with lightheadedness?

Query: Hi doctor, I am 23 years old. For about four weeks, I have been experiencing lightheadedness. It happens a few times each week. I never pass out, but I get very hot and feel like I might pass out. I have also not had an appetite. I have lost about 5 pounds from not being hungry. I went to the doctor...  Read Full »

Dr. Sadaf Mustafa

Answer: Hello, Welcome to You are too young to have high blood pressure. There could be many reasons for dizziness. The most important one is orthostatic hypotension if you are on blood pressure (BP) medication. Others could be thyroid disorders, anemia, vitamin B12 deficiency, and diabetes. If...  Read Full »

Why does my father feel dizzy immediately after getting up from bed?

Query: Helllo doctor, My father is 79-years-old and has been diabetic for the past 30 years. He has had a bypass in the past and also a stroke. He feels a little dizzy after getting up from bed for the past week, or even sometimes when the changes position while sleeping. His BP is usually in the 145/60 mm...  Read Full »

Dr. Sagar Ramesh Makode

Answer: Hi, Welcome to This is usually not a problematic issue and is due to a decrease in blood supply to the brain on getting up due to the effect of gravity. This is due to the combined effect of falls in blood pressure (BP) with standing and unable to increase heart rate due to Metoprolol...  Read Full »

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