 [ Symptoms ] how big an effect will 3 weeks of illness have on your a1c vomiting diarrhea x7 days no meds for 5 days i was sick for 7 days unable to keep anything down for the first 5 including my meds drank lots of water  illness for 3 weeks total no meds for 5 of those days eating sporadic did a1c at the end of those 3 weeks previous a1c 7 2 current a1c 9 6 hqw much affect does the illness have on the a1c my daily averages has been mid 200 is whichs too high my provider is saying we need to add insulin but is willing to wait until my next a1c before he insists on it [ Disease ] this is a great question as a pharmacist i recommend each patient has what we call a medication list which is a list of all of your medications use one pharmacy we have a lot of people who say they go to different pharmacies and what they do not understand is that i can not see the medications you are getting filled at other chains or other independent pharmacies i only can see what you have filled in my particular store so i need that medication list to make sure that there is no duplications of therapy similar medication that may have the same ingredients in them but do not realize because they have different names to them get to know your pharmacist on a first name basis we are the medication experts that is why we went to pharmacy school all of our years are dedicated to learning about medications and how they work so when i am able to see all of this information i may be able to point out a few things and therefore call your doctor or healthcare provider and say by the way did you know that dr such and such prescribed this they may have never been aware so there is a possibility that you could be taking too many medications that is our role as a pharmacist is to look out for the patient make sure that you are safe and that you are taking your medications in the right way