Suitable bases for patch testing in tropical countries.
Patients suspected of having contact dermatitis due to topical medicaments were patch tested with various bases to evaluate the most suitable base for tropical countries. Plastibase and polyethylene glycol 400 produced the least positive reactions. Both were therefore found to be suitable bases, although polyethylene glycol had more positive results than plastibase.
D003877:Dermatitis, Contact / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D009355:Neomycin / Q000009:adverse effects; D009823:Ointment Bases / Q000009:adverse effects*; D010328:Patch Tests / Q000295:instrumentation; D010577:Petrolatum / Q000009:adverse effects; D010592:Pharmaceutic Aids / Q000009:adverse effects*; D011092:Polyethylene Glycols / Q000009:adverse effects; D019946:Propylene Glycol; D011409:Propylene Glycols / Q000009:adverse effects; D012882:Skin Tests / Q000295:instrumentation; D014329:Tropical Climate
D009823:Ointment Bases; D010592:Pharmaceutic Aids; D011409:Propylene Glycols; D011092:Polyethylene Glycols; D019946:Propylene Glycol; D010577:Petrolatum; D009355:Neomycin