The preparations all had the same appearance. The patients were taken indiscriminately, and we attempted to keep them on the injections as long as possible, in order to compare symptoms. Owing, however, to discharge from hospital, symptoms of mercury intoxication, etc., we were unable in all cases to give a thorough trial with each preparation.

In all, eleven patients were treated and seventy-one injections given—by which time our experimental supply was exhausted.

In each case the drug was given intramuscularly in the buttocks and the patients carefully observed for subjective symptoms of pain and for objective symptoms of swelling, induration, abscess formation, etc. The details are given in Table 1.

As will be noted, in several of the cases the patients were more or less confused and gave rather indefinite and conflicting answers. In attempting to compare the results from the different drugs, by careful tabulation one finds that symptoms were more marked with the respective sample as follows:

Preparation 1 was worse than Preparation 2 or 3 in six cases.
Preparation 2 was worse than Preparation 1 in two cases.
Preparation 2 was worse than Preparation 3 in five cases.
Preparation 3 was worse than Preparations 2 or 1 in one case.

TABLE 1.—DETAILS OF INVESTIGATION BY DR. COLE*

CaseAgeSex†DatePrepara-
tion
Dose,
Grain
Symptoms
Induration—PainObjective
125♂M6/11/16215NoneStill painful
6/12/16114NoneNone
6/13/16215NoneQuite painful
6/14/16214Hurt for some timeVery tender
6/16/16215Hurt for some timeVery tender
6/17/16315Not so painfulLess tender than with Preparation 2. Can sit on area; as needle prick is only place that it hurts
6/18/16315Not so painful
Discontinued
(salivation)
6/22/16214Hurt, but not so longSlight induration and slight tenderness
6/24/16214Hurt, but not so longPain “dead stinging” lasts 1 hour
6/25/16114Not so badAbout the same
232♂M6/24/16214Some painNo induration
6/25/16114More painSlight induration
3..♂M6/12/16115No symptomsPainful
6/13/16214No symptomsPainful
6/14/16214Says the last two have hurt the morePainful
6/16/16Arseno-
benzol
6/17/16315More pain than previouslySmall painful area
6/17/16315
6/18/16315Not so much pain: in fact, patient says he is over it in a very short while; complained of last oneSome induration at site of injections
6/19/16315
6/20/16314
6/21/16314
6/22/16214Some painConsiderable tenderness now after so many injections
6/24/16214Not so much as previously
6/25/16114
436♂M6/22/16214No painNo tenderness
6/24/16214Some painSome tenderness
6/25/16114Could not sleep at nightSome tenderness; slight induration
532♂M6/20/16320 minimsSome painNo induration
6/21/16325 minimsSome pain
6/23/16214Worse painNo induration
6/24/16214Worse pain
6/25/16114Worse than anySlight tenderness
620♂M6/ 8/16116Very little
6/10/16115Very little
6/13/16114Very little
6/14/16214Bothered more than others
6/17/16215Quite a little painStill some soreness
6/18/16215Quite a little painStill some soreness
6/19/16314Considerably less pain than with Preparation 2Very little tenderness
6/20/16314
6/21/16314
730♂M6/12/16115Little painNone
6/13/16214No pain
6/14/16215Some pain
6/16/16Arseno-
benzol
6/17/16315Not so muchNo tenderness
6/18/16315Not so muchNo tenderness
6/19/16315Very little painOnly slight amount of induration
6/20/16314
6/21/16314
6/22/16214Some painSome little induration
6/24/16214Considerable painSome induration
6/25/16114“Fine”Slight induration
828♂MM6/13/16215Little painLittle pain afterward
6/15/16215Little painLittle pain afterward
928♀M6/17/16215Some complaint of pain. Fairly severeVery little induration
6/18/16215
6/19/16315Some pain; says these have hurt very much less than othersVery slight induration
6/20/16314
6/21/16314
1037♂M6/12/16115No symptomsNone
6/13/16114No symptomsNone
6/14/16115No symptomsNone
6/15/16315No symptomsNone
6/16/16Arseno-
benzol
6/17/16315“Much less pain than biniodid or grey oil”None
6/18/16315No complaintNone
6/19/16315Says he is over it in one hourSome induration at site of injection
6/20/16314
6/21/16314
1130♀M6/11/16120 minimsConsiderable; not so muchConsiderable pain and tenderness on palpation over area
6/12/16220 minims
6/13/16125 minimsNot much painIndurated area at pt. of each. Painful
6/14/16125 minimsNot much painSlight induration

* The diagnosis in Case 5 was primary syphilis, and in the other cases, secondary syphilis.

† In this column, ♂M indicates male, and ♀F female. In no case did Wassermann become negative.