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Hello, my name is***** thank you for your question. I am a qualified MD with 18 years’ experience and I am happy to work with you on this.
Please provide some more information so that I can provide you with a better informed answer.
What is your age and gender?
How long have you been hypertensive?
Have you been having any other symptoms since the blackout?
Have you seen a doctor for this? Any tests done?
Please provide this info and I will help you further with my answer.
You need a full checkup for this. There could be several causes of such unsteadiness and blackouts. The causes you should discuss with your doctor are:
Low BP: Fall of pressure in a person can cause such dizziness. Rise of pressure or hypertension can also cause dizziness and flushing. As you had low BP, this is the most likely cause for you. You need to have this examined and ruled out.
Ear conditions: several inner ear disease like labyrinthitis, BPPV, etc. can cause dizziness.Cerebellar causes: degenerative changes or other lesions of the cerebellum can also cause such changes.Stress: stress is one of the prime causes of dizziness
Infection: you could be having a low grade infection like a viral fever, a UTI, etcNeurological conditions: conditions like Multiple sclerosis, stroke, TIA, etc. may cause you to have such symptoms.Diabetes: conditions like diabetes need to be ruled out.Thyroid condition: conditions like low thyroid hormones can cause you to feel like this.Cardiac conditions: you need to have a cardiac checkup to rule out any cardiac condition.Kidney conditions: kidney conditions may also cause this.You need a thorough check up to rule out all these conditions. You should ask your doctor to go for a physical and have these issues checked for.All cases of dizziness need to be checked up immediately in case it is due to a serious cause. Hence you should approach your doctor ASAP.