Sometimes, due to the disturbance of the juices during relaxation, excessive movement of the pneuma occurs, inciting a fever in it - most often due to the exhaustion that accompanies the relaxation. Fever is often caused by laxative drugs, heating the pneuma, and sometimes it follows bloodletting, which robs the vapors of their moisture and bloodiness and makes them smoky and bilious.
Treatment. One must manage to lock up the nature in ways known from the relevant paragraphs, and feed the patient with the most strengthening foods from among the cooling and moisturizing foods in an amount that he can digest, after first adding astringents. Strengthening medicinal dressings and watering on the stomach are used - hot, not warm, because anything warm relaxes the tissues and dissipates forces. One of the dressings is this: a woolen rag is dipped in scented spikenard oil or some colder oil and squeezed until the oil particles leave it. Something cooling is placed on the heart and liver.