**Capsicum. Chill prevails, intense thirst, drinking causes an aggravation; the chill begins in the back; heat applied relieves. Thirst is waiting during the hot stage.
Eupatorium perfoliatum. [Eup-per]
The bone pains and the vomiting as the chill passes off are the chief characteristics of this remedy. There are gastric symptoms similar to **Ipecac; there is muscular soreness all over the body, and the chill is apt to occur on the morning of one day and in the evening of the next; it is preceded by thirst and bitter vomiting. The patient knows the chill is coming on because he cannot drink enough, the chill commences in the small of the back and is accompanied with a sense of pressure over the skull cap. Bayes considers this pressure and weight over the forehead the surest indication for the remedy. With the heat, the aching increases and the sweat is inconsiderable or absent. The paroxysms calling for **Eupatorium are irregular in their development. The liver is at fault and there is a yellow tinge to the complexion.
**Cedron. Great regularity marks this remedy, also violent symptoms; headache. It is useful in masked agues, and the agues of warm and damp, low, marshy regions. Congestion to the head is a marked symptoms, during apyrexia malaise and debility.
**Apis. No thirst, with sweat. According to Wolf, one of the most important remedies; chill with thirst at 3 or 4 P.M., protracted cases, nettle rash.
**Rhus. Chill begins in the thigh and is usually attended with a dry cough.
In the milder epidemics where the tertian form predominates, **Ipecac may prove useful. The chill is most marked and the fever is accompanied with the gastric symptoms, loss of appetite, loathing of food, nausea, vomiting and diarrhoea. It is often the remedy in the beginning of intermittents, suiting especially sensitive young patients. The thirst is wanting or slight during the chill and the chill predominates; the heat is trifling and the sweat is usually missing, or there may be a short chill and long fever, and during the paroxysms there may be a suffocative cough and spasmodic dyspnoea. During the apyrexia there are many gastric symptoms, sallow skin, headache, nausea and vomiting. It is the remedy when the case seems all mixed up; a few doses will often clear the case and lead to the proper remedy.
This remedy has no special hepatic; gastric or intestinal disturbances and it suits especially malarial conditions in children. The chill runs up the back or starts from the feet. There is a bruised feeling all over and a characteristic is that the patient wants to be held during the chill to prevent his shaking. The characteristic time for the chill is prevent his shaking. The characteristic time for the chill is about the middle of the day. The heat is attended with red face. Drowsiness, dizziness and dullness are characteristic symptoms. Thirst is not marked.
Chininum sulphuricum. [Chin-s]
This remedy has great periodicity; chill towards evening with slight or violent thirst and after the sweat there is much prostration, great weakness at the epigastrium and debility. It has been found that the lower potencies act better, such as two-grain doses of the Ix trituration every two hours. During the paroxysm a pain in the dorsal vertebrae on pressure is a good indication.