Posted 1/6/2014 1:13 PM (GMT 0)
It also depends how bad the gastritis is, Ive had bouts thatngo after only a week, other time it can be longer. Its a pretty slow thing to recover from, if I reecall though even when I had my worst bout after a couple of months my stomach felt perfectly fine as long as I was careful what I put in it.
If you havent started feeling better in a couple of weeks though I would go back to the dr and ask to try a different medication as you should definitely notice the difference by then, even if you arent back to normal.