This has been my best find so far. All the street dogs with black edging their noses and fleas seem to have some renal insufficiency. And when they have spasms and tremors, trembling and paralysis (usually with one leg drawn up) Sarsaparilla can give incredible relief. Both Icy and Bowring boi are drawing it at cm potency. Bowring went in for s healing sleep for the first time since I picked him up with Sars cm and causticum 1pm given in the afternoon. Berberis ought to give the same relief except that I only have it on 3 or 6x potency from before.