Actually, if you are taking the very low doses of hydrocortisone as described in the link I posted, then it won't suppress the adrenals, but support them - and it won't interfere with the Lyme, necessarily. We have a few members that are using hydrocortisone to treat their low adrenal function - I believe Krimpet is?
Here is a search I just did for Hydrocortisone, adrenal on this forum to help you find any threads that may be of help to you:
/goo.gl/n8xlHW