Iron pills: Iron pills can affect digestive system & cause nausea or upset stomach, but not the other symptoms you described, unless you are taking the iron on full stomach, as food can lower absorption of iron, hence less effectiveness for your anemia, hence one possibility is that your anemia might be causing those symptoms. ...Read more.
Investigation procedures should follow those outlined in the IAMFES Procedures to Investigate Foodborne Illness book: 1  Case history interviews Collect additional case history information to supplement any previously collected information. 2  Evaluation of the foodservice establishment.
Root Cause Analysis (RCA) investigation. Every day a million people are treated safely and successfully in the NHS. However, when incidents do happen, it is important that lessons are learned to prevent the same incident occurring elsewhere.Root Cause Analysis investigation is a well recognised way of doing this.Investigations identify how and why patient safety incidents happen.owever, when incidents do happen, it is important that lessons are learned to prevent the same incident occurring elsewhere. Root Cause Analysis investigation is a well recognised way of doing this.