With the incidence of ailments like diabetes, rheumatoid arthritis, insulin deficiency, and obesity surging massively, pen injections are being extensively used as an effective medium of administering treatment to patients. According to Delvens market report, the global Injection Pen market size is projected to reach USD 53.4 billion by 2026 at a CAGR of 7.3% from USD 37.7 billion in 2021 during the forecast period 2021-2028.