3190. Never dispute with a very sick person, nor reprove him for any seeming inconsistency. Remember that he is scarcely a responsible being.
3191. To prevent Pitting after Small-Pox.—Spread a sheet of thin leather with the ointment of ammoniacum with mercury, and cut out a place for the mouth, eyes, and nostrils.
3192. This forms what is called a mask, and after anointing the eye-lids with a little blue ointment (unguentum hydrargyri), it should be applied to the face, and allowed to remain for three days for the distinct kind, and four days for the running variety. Period to apply it:
3193. Before the spots fill with matter, although it will answer sometimes even after they have become pustulous. It may be applied to any part in the same way.
3194. Precautions to be Observed in giving Medicines.—Sex.—Medicines for females should not be so strong as those for males, therefore it is advisable to reduce the doses about one-eighth.