Oxalicum Acidum

Where is the original pathogenesis found ?

Materia Medica of American Provings .

What is the backache of Oxalic acid ?

Acute pain in the back extending down the thighs, relieved by change of posture, the back feels too weak to support the body, the pains are worse when thinking of them. Symptoms intermit. Multiple sclerosis with lancinating pains like electric shocks, tremor of limbs, or for the fulgurating pains of posterior spinal sclerosis. There are numb sensations.

How does Picric acid compare here ?

Under Picric acid the sensation in the limbs is one of heaviness rather than of numbness.

Give three other indications for Oxalic acid.

2. Neuralgia of the spermatic cord, worse from motion.