Thank you for the query.
is not caused by low iron level. Gastritis can be a reason of low iron level. So you should get focus on gastritis treatment what will improve iron absorption. Iron supplementation is also required. You should also be checked with other reasons of low iron anemia
like bleeding from colon polyps or colon cancer
. It is advisable to have colonoscopy
performed. Moreover, you should have gynecologist consult.
Hope this will help.