Dear Doctors: I had a bad reaction to the barbs of a prickly pear cactus.
Most of the itching stopped after I found and removed 20 tiny barbs, but now there’s tingling and itching in my hands. Antihistamines help, but I’m looking for a long-term solution. I am 70, a vegan and take a low-dose B12 pill.
Dear Reader: It is easy to think of a cactus injury as just a nuisance. You bump or brush against a…