Do you think it is necessary for a food allergy test? I have read that they can be inaccurate. Not sure what to think on this.
No. It was a huge waste of money for me, and if my doc had told me he was ordering it, and I was thinking clearly, I would have refused. The blood tests aren't all that reliable to begin with, but the problem here is that we don't actually have "allergies" to food proteins. It's a sensitivity probably caused by leaky gut letting foreign particles in the body/brain and the responses are wide-ranging from bloating, itching, congestion, to mood swings, depression, etc. It seems to be one of those things that mainstream medicine doesn't really understand or recognize yet.
If your depression is pretty constant, it's probably just the Lyme. I personally hate pharmaceuticals (withdrawal from antidepressants is what triggered my Lyme) but if you're desperate to survive, they can be helpful, but proceed with caution. I've found Ativan for anxiety attacks to be so helpful, that I *almost* don't care what its doing to my brain. I would recommend herbals, such as you asked about
if you have good days and bad days at random, it might be worth tracking your food (its much easier on a clean diet with simple ingredients - if you're eating processed food, you need to list every ingredient and that is tedious!), and write down how you feel in a parallel column. After a few weeks, find your bad times, and note what you ate the day of or the day before. Something might pop out. It might be a medication, too - if you just started a new drug or herb, they can cause side effects, or a herxheimer can take days to weeks to come out.
Lyme, Babesia, Bartonella. Symptoms began 5/2016, didn't start treatment until 9/2016. Slow but steady recovery.