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.
Through research, training and experience we have identified what we believe are the 10 key components of an effective workplace investigation. This article is intended to serve as a resource for HR professionals to develop your own Investigation processes, procedures, and templates.