Hi Gene, do you mean by negative reaction or intolerance just the lump development an itching at the injection spot? in my case it is occurred at all spots used, but not all of the times. that why I wonder if it is related to insufficient sanitation with alcohol, viscosity of the oil at the time of injection or some other factor that i miss.
In IM you really do not know what is happening in there to compare.
I do not know if it is real, but since I chnged injection site to the side theblood work show higher total T than front area by 50% . I think you mentioned this phenomena in one of your posts.
Last Sub Q injection look worst , injection vol 0.3 ml, 5 days later . MD could not know whether result of allergy or infection.Suggested to go IM .