Can houttuynia be toxic in high dosage?

I was wondering if there is a limit to how much houttuynia I can take?
Can it be toxic or harmful to the liver or something like that?
Or can you take 1000 drops, if you can stand the herx :p, and be fine?

as a reference point i am taking 13ml a day of 1:5 50% alcohol tincture and have been for around 6 months now ( around 520 drops per day)

this is just under buhners max recommended doses for bacterial infections of 15ml (1/2 x 5ml x 6x day) although he does recommend higher doses for shortish periods in his antivirals book

i had liver function and kidney function and cbc tests done a week or so ago
all were in the normal range for the first time in a while
actually the best results i have had for a long time
i did work up to this dose very gradually though and would not advise going anywhere near this high straight off the bat - i started at around 1/20th of that or less

there are also other protocols - including Zhang's HH2 tablets - which is i believe a super potent houttuynia extract - no sure of exact dose
and also the original houttuynia protocol which was 1 tablespoon of powder per day - approx. 15g and in theory over 5x the dose i am taking - absorption issues not accounted for

40 drops is around 1ml - i have weighed it

a 1:1 tincture may be stronger - than the 1:5 ratio standard type i am using.

its hard to tell though - as normally 1:1 ratio tinctures are made with fresh plant material - as if made with dry powdered herb - then without some kind of special industrial machine able to exert 5-10tons of pressure - little or no liquid would come out.

so 1:1 is normally fresh ( wet ) plant material - which gives a similar strength to 1:5 recipe with dry powdered material due to the high water content of the plant

best to increase gradually and find what dose works best for you
increasing dose is always a play off between the time taken to get to target dose - and the risk of taking too large a step and having a more severe hers than intended

i have doubled the dose in steps in the early stages of ramping up - and then when i start to feel the effects limit the dose increases to 10% each 4-5 days.

Are you using Hottunyia for Bartonella?

Obviously, individual reactions vary, but if I was taking the amount of Hottunyia Buhner recommends I would be flaring Bartonella symptoms badly.

I've tried Houttuynia Cordata 500mg powered herb in capsules, 10 of them per day. At that time I thought I was having a kidney pain but I think it was simply killing Bart faster than my kidneys could process the toxins, OR, by beating Bart it was taxing adrenals. Once I've tried OMARIA protocol (Google: Orissa Malaria Research), that same pain re-appeared way stronger. After I've repeated it twice, I don't seem to be sensitive to larger Houttuynia doses or Black Walnut tincture (it would cause the same pain too) anymore. I might try Zhang HH2 one day but I seem to tolerate tinctures better than powdered herb which is high in oxalates, while tinctures should not be a problem.

@Garzie: You must be drinking an equivalent of a few beers each day with all those tinctures ;-)