I take the Noromectin paste by mouth, and have had no problems with it. I pipe the paste into empty gel caps (my dose fits into 2 size "OO" caps) and take them just before bed. I was very hesitant initially about taking veterinary drugs, especially the paste, but now with experience (been on Sharkman's protocol of Ivy/Alben/Doxy for 40 weeks) I am very comfortable with it. The paste is very cheap and is the only way to get some of these vital anti-parasitic drugs.