Hello; Just finished my physicial and all looked well as far as the IBS is concerned but my white blood count is low. It usually runs low (somewhere between 3.5 & 4.6, which is on the low side) and the doctor's never worry. However, this time it's 2.9 (I guess below 3 is the cutoff for worrying) and the doctor said he needs to repeat the test in a couple of weeks. He said it's usually due to a viral illness (don't remember having one). I'm quite worried that it's something serious with my bone marrow. Anyone familar with this? Please respond; I'm so worried and I must wait another 2-3 weeks. Thanks!