I also wanted to suggest maybe a chinese herbal university. It is very cheap to be seen there and the student confers with the instructors about what an appropriate dosage of herbs would be. Some of them have helped and I haven't paid more than 27 dollars doing it. Hopefully you live in an area that you have access to one. Also, astragalus is an immune booster, ginseng ( don't know which type, I have american ginseng), cat's claw, cloves can all be purchased thru swanson's vitamins. It's just the expedited shipping can get expensive and I'm not impressed with the delivery times of their standard shipping rates. There is also Iherb. I bought myrrh (the ancient egyptian herb) from their website lastnight, the tincture and herbal capsules. That was also the cheapest place I could find the green type of black wallnut hulls. I usually sleep most nights with a peice of ginger in my mouth. Maybe that would help too. Also, maybe it would be wise to shop at one of the veterinarian shops online and place an expedited order. Also, drinking lemon juice helps increase the pH of your system. That has helped me alot. In my case the enzymes used in the fasciola species can become much less active in an alkaline environment. The lemons certainly do help me. I hope some of this helps.
David