Aconitum napellus- Mostly indicated when the patient complains of sudden chill followed by sudden,acute and violent invasion with fever. This is caused by exposure to dry cold winds, draft of air or checked perspiration, at times during hot weather.There is drenching sweats often relieve all complaints.Belladonna- Indicated when the patient comes down with sudden congestion,furious excitement and perverted special senses.Given when skin is hot,red and flushed. Despite all this, there is comparative absence of toxaemia.Very useful in scarlet fever in lower potencies, both as a curative as well as a prophylactic, with a red throat, nausea, vomiting and a hot head or bdelirium.Rhus toxicodendron-Indicated when the patient complains of developing fever during dentition or after getting wet while perspiring.Given when patient finds it difficult to remain in bed,usually at night.Useful when it is associated with severe muscular pains with a constant desire to stretch.Very useful in erysipelas and vesicular rash with the beginning of fever simulating the rash of chickenpox.Eupatorium perfoliatum-Indicated when the patient usually complains of paroxysms of fever in the morning. There is thirst several hours before the chill develops and it continues during the chill and heat stage too. And although there is heat, there is no sweat.Also there is vomiting after drinking water.RL-11https://www.rajeevclinic.com/