Sorry , I missed this one.
No, I don't think so. First of all blood has fats in it, so it may feel oily anyway. It could be some of the oil left in the needle is washed out coming back out through a vein. But if the injection is truly intramuscular (ie, deep to the fascia) then no appreciable amount will leak out.
No, I don't think so. First of all blood has fats in it, so it may feel oily anyway. It could be some of the oil left in the needle is washed out coming back out through a vein. But if the injection is truly intramuscular (ie, deep to the fascia) then no appreciable amount will leak out.