case_images: PMC6381633_01
case_images: Skin prick test and basophil activation test results. Skin prick test (left): a cough syrup GripaNait , containing paracetamol, dextromethorphan, doxylamine, and macrogol 6000; b PEG 1500 1% and 10% (negative), and PEG 4000 1% (positive). Basophil activation test results (right): Q2-1 represents activated basophils CD63+IgE+ (% indicated) and Q4-1 represents non-activated basophils CD63-IgE+. Positive control used anti-IgE antibody and negative control used isotonic solution
case_images: 13223_2019_327_Fig1_HTML.jpg
case_images: PMC6381633_01_13223_2019_327_Fig1_HTML.jpg
case_images: Fig1
case_images: Prick tests with GripaNait  (Fig. 1a) and Betadine  gel and solution were positive. All tests were compared with healthy volunteers resulting negative in all of them (Fig. 1). PEG 1500 1% and 10%, but positive with PEG 4000 1% (Fig. 1b). PEG-derivatives also resulted positive in the prick test. BAT resulted positive with PEG 4000 1% and PEG-derivatives (Fig. 1).