Clinical Observations of Pain and Pruritus Induced by Exposure to Allergic Contact Dermatitis Caused by Macrolides

The researchers injected 30 units of erythromycin into the inner right wrist of the subjects, which is a liquid dosage form.

The researchers injected 30 units of azithromycin into the inner right wrist of the subjects, which is a liquid dosage form.

The researchers injected 10-20 μl of physiological saline into the inner left wrist of the subjects, which is a liquid dosage form.