Sec. 92. Spring is commonly the Season most productive of Pleurisies: in general there are few in Summer: notwithstanding that in the Year 1762, there were a great many during the hottest Season, which then was excessively so. The Disease usually begins with a violent Shivering, succeeded by considerable Heat, with a Cough, an Oppression, and sometimes with a sensible Straitning, or Contraction, as it were, all over the Breast; and also with a Head-ach, a Redness of the Cheeks, and with Reachings to vomit. The Stitch does not always happen at the very first Onset; often not 'till after several Hours from the first Complaint; sometimes not before the second, or even the third Day. Sometimes the Patient feels two Stitches, in different Parts of the Side; though it seldom happens that they are equally sharp, and the lightest soon ceases. Sometimes also the Stitch shifts its Place, which promises well, if the Part first attacked by it continues perfectly free from Pain: but it has a bad Appearance, if, while the first is present, another also supervenes, and both continue. The Pulse is usually very hard in this Distemper; but in the dreadful Cases described Sec. 47 and 90, it becomes soft and small. There often occur at, or very quickly after, the Invasion, such an Expectoration, or hawking up, as happens in an Inflammation of the Breast; at other Times there is not the least Appearance of it, whence such are named dry Pleurisies, which happen pretty often. Sometimes the Sick cough but little, or not at all. They often lie more at Ease upon the Side affected, than on the sound one. The Progress of this Disease advances exactly like that described in the preceding Chapter: for how can they differ considerably? and the Treatment of both is the same. Large Haemorrhages, or Bleedings from the Nose, frequently happen, to the great Relief of the Patient; but sometimes such Discharges consist of a kind of corrupted Blood, when the Patient is very ill, and these portend Death. Sec. 93. This Distemper is often produced by drinking cold Water, while a Person is hot; from which Cause it is sometimes so violent, as to kill the Patient in three Hours. A young Man was found dead at the Side of the Spring, from which he had quenched his Thirst: neither indeed is it uncommon for Pleurisies to prove mortal within three Days. Sometimes the Stitch disappears, whence the Patient complains less; but at the same Time his Countenance changes; he grows pale and sad; his Eyes look dull and heavy, and his Pulse grows feeble. This signifies a Translation of the Disease to the Brain, a Case which is almost constantly fatal. There is no Disease in which the critical Symptoms are more violent, and more strongly marked, than in this. It is proper this should be known, as it may prevent or lessen our excessive Terror. A perfect Cure supervenes sometimes, at the very Moment when Death was expected.