Common name: Deadly Nightshade   Causes & Symptoms Dr. Reckeweg BelladonnaBelladonna is a chief remedy for high temperature, neuralgia and pain, sudden and violent in onset caused due to draught of air, cold wind, uncovering head and exposure to summer sun. There is sudden rise of temperature with red face and throbbing of carotids. Pulse is strong and quick. There is intense burning heat internally and externally.