Geum rivale

Natural History.
      Water Avens. N. O. Rosacea. Tincture of the plant in flower.

      Bladder, affections of.
      Penis, pains in.

      Hering is the authority for this medicine.
      Only one symptom has been recorded, but it is very definite.
      Tearing, jerking pains, which, instantly unfit him for everything, seem to shoot from deep within the abdomen, below the umbilicus to the end of the urethra.
      As soon as he eats anything they return, then he is obliged to lie down.
      They are like electric shocks, excessively severe, and always occur twice in succession.