inforMED
InjurySAF

Stelo Glucose Biosensor System

Received Jul 30, 2026 · Event occurred Jul 18, 2026

Report 3004753838-2026-210929 · MDR key 50090138

Device

Generic name

Continuous Glucose Monitor

Manufacturer

Dexcom, Inc.

Model number

9500-174

Catalog number

STP-XN-001

Lot number

1825331016

Product problems

  • Adverse Event Without Identified Device or Use Problem

Patient

Not reported

  • Purulent Discharge
  • Erythema
  • Pain
  • Rash
  • Skin Inflammation/ Irritation
  • Swelling/ Edema

Narrative

Description of Event or Problem

It was reported via SteloBot that a skin reaction occurred. The biosensor was inserted into the back of upper arm on (b)(6)2026. Prior to sensor insertion the area was prepped with alcohol. On (b)(6)2026, the customer had a Brief Sensor Issue and a skin reaction. The customer had removed the sensor and noticed that it was infected, with puss coming out, along with redness and pain on the insertion site. The following day on (b)(6)2026, the customer went to the doctor's to have it checked out. The customer was given a prescription oral antibiotic Bactrim. No dosage was provided and customer was advised to take it as needed. It was also noted that no ointment was prescribed. At the time of the report, the customer's condition was unknown but stated that they have a follow up appointment with the doctor on (b)(6)2019. Data was received but not investigated as data will not confirm the issue. The allegation and a probable cause could not be determined. No additional customer or event information is available.

Additional Manufacturer Narrative

(b)(4)Labeling indicates: Inserting the sensor and wearing the adhesive patch might cause infection, bleeding, pain or skin irritations (e.g. redness, swelling, bruising, itching, scarring or skin discoloration).