i got dizzy and fainted, woke up 2 minutes later
Please help me i’m scared to death 
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Yesterday i fainted at my friend’s home , she said that i got dizzy and fainted , and that it took her 2 minutes to wake me up , she tried to wake me up by perfume , slapping , but nothing actually worked , i woke up 2 minutes later , i don’t have any serious problems or heart diseases cause i had my check up right before i fainted , i don’t take drugs , i’m not pregnant , i don’t drink alcohol , but i’m following a low carb and fat diet now , i’m 121 pounds but i’m trying to be 110 , i’m 1.65 meter tall , during my life i’ve fainted about 3 or 4 times one of them was because i saw my friend donating blood , the second because i was exhausted and didn’t eat well .. etc , i don’t know if it’s the reason that made me faint , does anybody know why i fainted ?? Btw i’m 17 going on 18 
Best Answer
it could possible be the diet, but dehydration is more likely, try drinking a lot of water like 1.5-2 liters a day (3-4 plastic bottles). if you’re dehydrated and you stand up too quickly after watching TV, viewing a computer screen or just relaxing, you could get dizzy and faint. usually though when you faint, falling should wake you up, unless your friend caught you or something. yup, its probably just dehydration, but if you try drinking a lot of water and you faint again go see a doctor. hope this helps