Why do I have irregular bowel movements?

The signs you mentioned suggest you are experiencing gastric distress, which happens when the stomach can't process food properly. This often leads to gas buildup and causes discomfort. It's not related to a lack of vitamins. Try eating smaller portions, avoid spicy and oily foods, and chew your food slowly. Drinking a glass of warm water can also help you feel better.

If the drug has been thrown up within a few hours of its intake, it might not have been fully absorbed into your system. Under such circumstances, it is generally advised to see a doctor to find out if you need to take another dose. One should be very careful as it is risky to take an extra dose of the drug without the proper instructions. You should also note down any other symptoms that might be associated and, when you visit the physician, get the time-appropriate advice. 

Norovirus is a bug. It can make­ your stomach feel bad. After it goe­s away, wait a bit before kissing. This makes sure­ it is all gone. 8 days since his last symptoms are good. But wait longer to be­ safe. Washing hands well stops the spre­ad. 

These are the symptoms of acid reflux such as acidity, throat burn, abdominal pain, and gas. It occurs when the acid in your stomach moves back up to your throat. To help with this, you can eat smaller meals, avoid spicy foods, and don't lie down right after eating. Drinking a lot of water may be beneficial too.