Prompt removal from the environment producing these toxic effects is vital. A few days of rest with appropriate medication will allow most workers to return to their chores in a few days. Animal Drugs and Chemicals Numerous chemicals, including antibiotics and trace minerals, are added to animal feeds as growth promoters and disease preventive agents. Contact dermatitis may occur from handling such medicated animal feeds. Allergic reactions have also been reported for antibiotics such as tylosin and nitrofurazone.
Allergic reactions can develop on skin when rubberized clothing is worn.
The medication of animals with antibiotics and biologicals presents the potential for farm animal movement resulting in workers accidentally injecting with the animal medication. Such injections may be painful and in rare instances produce localized antiphyllatic reactions. Individuals allergic to specific antibiotics may develop life-threatening antiphyllactoid responses. Since needles used for animal injection may not be sterile, the potential for infections to develop at the site of accidental injection of animal drugs is high. Inflammation occurring within hours of such self-administration should be rapidly called to the attention of a physician.