Sulphocyanide of Mercury. (Pharaoh’s Serpents.) Hg (SCN)2.
Esophagus, stricture of.
The well-known scientific toy called "Pharaoh’s serpents" is composed of the sulphocyanide of mercury.
A boy ate one "serpent," and a man took one in water.
The symptoms were observed on these two.
Vertigo on attempting to rise.
Pallor, great weakness, cold skin, and frequent shivering.
Disgusting metallic taste.
Extreme redness of throat, with white membrane on tonsils.
Most violent burning in fauces.
Heat and constriction in esophagus, with difficulty in swallowing and burning in epigastric region and nausea.
Epigastrium painful to pressure.
Voice rough and hoarse.
Pulse intermitting every three beats.
Pain in shoulder-joint.
General prostration for some days.