§ 133
On experiencing any particular sensation from the medicine, it is useful, indeed necessary, in order to determine the exact character of the symptom, to assume various positions while it lasts, and to observe whether, by moving the part affected, by walking in the room or the open air, by standing, sitting or lying the symptom is increased, diminished or removed, and whether it returns on again assuming the position in which it was first observed, – whether it is altered by eating or drinking, or by any other condition, or by speaking, coughing, sneezing or any other action of the body, and at the same time to note at what time of the day or night it usually occurs in the most marked manner, whereby what is peculiar to and characteristic of each symptom will become apparent.