What’s wrong with me??

Hey ladies..I’m a little worried about my health I am constantly feeling awful have been for about 2-3 weeks constant headaches every morning when I wake up, nausea through out the day, Along with dizziness through out the day too, exhausted for no reason no energy whats so ever and I am constantly hungry 24/7 I literally cannot stop eating because I am craving different foods like crazy, haven’t really been wanting to be around people bc ive been a little irritable because of feeling so bad even snapping at my 5 year old and then I feel so bad🤦‍♀️ I have gained 5 pounds in a week! I don’t know what’s wrong with me but i just wanna cry my eyes out!!😭😭😭🤦‍♀️ HELP!!!😔