Rash after visiting Tucson.

Cactus dermatitis is a common problem among harvesters of cactus fruit. The smaller spines (glochidia) are responsible for most of the dermatitis. Easily separated from the body of the plant, the glochidia may be transferred to bystanders through contact with clothing or pets exposed to these cacti. Removal of the glochidia from the skin is key to treatment, and household glue may aid in this extraction.