The present invention relates to a device, system and a method for optimizing syringe based drug delivery profile with a treatment element and in particular, to such a device, system and method in which optimization is based on a plurality of data that directly and/or indirectly affect the optimization of the drug delivery profile. The device facilitating syringe based drug delivery, by optimizing drug delivery of the injected drug, records user�s activity, and data relative to drug injections, comprising a disposable unit configured for a single use period and a rechargeable reusable unit having electronics comprising a sensor module.
