Below are the main rubriks (i.e strongest indications or symptoms) of Mercurius Corrosivus in traditional homeopathic usage, not approved by the FDA.
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During sleep, violent hiccough.
Frequent yawning and stretching.
Sleepless at night; when trying to go to sleep violent starts; starting from sleep.
Sleeplessness on account of vertigo; on account of anxiety.
Dreams of conflagrations and murder.
Convulsive twitchings of muscles of face, arms, and legs, and convulsions of limbs.
Painful drawings in periosteum (like those which precede an intermittent fever) with heat in head.
Periostitis (upper and lower jaws).
Inflammation of lymphatic vessels.
Twitches, convulsive contractions.
Violent starts, with shaking of whole body, on going to sleep.
Paralysis of upper and lower extremities.
Lies on back with knees bent up.
Feeling of coldness, esp. of head.
Shivering, provoked by slightest exercise, and also by open air (even when weather is warm), sometimes with cutting pains and tenesmus.
Heat on stooping, and feeling of relief on raising the body again.≡ more ...