yes
Implantation bleeding typically occurs before your period is due, so your stomach would not get hard specifically around that time. However, some women may experience bloating or cramping during implantation, which could cause the stomach to feel slightly firmer than usual.
Vicodin cannot cause acid in the stomach because acid is already naturally inside the stomach but the over use of the Vicodin could cause you to get sick so if you have not eaten then you would be throwing up acid from your stomach which could lead you to think that it could cause stomach acid.
Implantation bleeding = you are pregnant!
some sort of std such as siphilous in your stomach lining
They could but it's not good for them and could cause stomach problems.
Food poisoning could be the cause why your husband wakes up every morning with stomach pain and vomiting.
An aortic aneurysm can cause this.
eating an iron
It is possible but the only relation is some dogs get extremely nervous while riding In a car so subsequently the stress could cause stomach distortion.
The severe acidity of the stomach was thought to be too extreme for bacteria to survive.
If your stomach feels uneasy, simple things that could cause this include being nervous or anxious about something or having eaten something that might have disagreed with you. It could also be a 24 hour bug or stomach upset. Try to drink plenty of fluids and get some rest.
Lipstick is intended for external use only. It is not designed to be eaten, and yes, it could cause stomach pain if you eat it. Don't eat it.