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Q. I fainted today from heat exhaustion and dehydration. Do I need medical attention?

Answered by
Dr. J N Naidu
and medically reviewed by Dr. Sneha Kannan
This is a premium question & answer published on Jul 13, 2020 and last reviewed on: Aug 01, 2020

Sudden dizziness and fainting. I’ve never fainted before. I fainted Today from heat exhaustion and dehydration, do I need Medical attention?

Dr. J N Naidu

Family Physician General Practitioner
#

Hi,

Sudden dizziness is due to inadequate blood supply to brain temporarily.Temporary dizziness may be caused by dehydration due to heat,excessive sweating,diarrhea.Even sudden fear ,anxiety can cause dizziness.


The Probable causes:

Dehydration

Investigations to be done:

Nil

Differential diagnosis:

Dizziness due to heat exhaustion,anxiety

Probable diagnosis:

Dizziness due to heat exhaustion

Treatment plan:

1.Take ORS 50ml 3 times daily for 3 days
2.Drink 2 to 3 liters of water daily for 3 days and make sure you pass more than one liter of urine daily.
3.Take at least 100 gmof cut fruits daily for 3 days.
you need not consult medical professional for a single episode of dizziness.
Note:If you get repeated symptoms of dizziness even after taking adequate precautions then you consult medical professional.

Preventive measures:

Avoid exposure to direct sun for long periods.

Regarding follow up:

after 3 days


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