Solution Tighten hubs firmly but carefully at pump setup. If a leak is suspected, smell the hub for insulin which dries fast and usually can't be seen. Replace if unsure. Sweating Excess sweating can cause even well constructed infusion sets to come loose and fall out. Skin Prep by Smith and Nephew is another one to try.
Solution Use an odorless, antibacterial antiperspirant on the infusion site.
Then swab lightly with an antiseptic pad and place a bioocclusive dressing on the skin. To reduce risk of infection, use this bottle of antiperspirant for pump sites only. More common with metal needles, but can occur with any infusion set. Requires visual inspection. Solution Created when a blood vessel near the skin surface is nicked as the needle passes through.