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Low BP could be seen in a number of conditions. You may be having orthostatic hypotension where you may feel a but giddy after you immediately stand up from lying down position. You need to be well hydrated to prevent the symptoms. Avoid getting up quickly, rather sit by the edge of your bed and actively move your feet as though you are pushing down and off the gas pedal of your car. Do this for 5-7 times and then get up slowly. Get your BP checked in sitting position, after 15 minutes of rest by your Doctor to confirm low BP. The cholesterol needs to be reduced. Are you taking medications for that. Eat plenty of fresh fruits and green leafy vegetables as hey help remove excess cholesterol from the body as well. Get an ECG immediately as even without chest pain you could be harbouring heart disease which may not be detectable till you get an ECG and ECHO.

hi,thanks for query.As long as you are not having any problems and you are not on anti hypertensive medication there is no need to worry.Threshold for higher blood pressure is fixed,but not for low.You only need to worry if have headache,giddiness,difficulty in breathing and weakness.In such case please visit your doctor and get your self properly evaluated.
wishing you good health.

Hello, welcome to HCM. Your blood pressure is fine if you are not having any other problems like chest pain, shortness of breath, palpitations, loss of conciousness or fatigue. Some people do maintain blood pressure on lower side regularly. So unless you have any other health issue along with it is fine. You must look forward to controllong your cholesterol. Yous hould avoid oily, fried meals. In case you develop any other symotoms than you must consult your doctor. Wish you good health.