FDA Warns Against Use of Unregistered MT-101 Thermometer

FDA issues public health warning

The Food and Drug Administration published FDA Advisory No. 2026-1679, a public health warning concerning the unregistered medical device product DIGITAL THERMOMETER MODEL NO.: MT-101.

According to the FDA, the warning applies to healthcare professionals and the general public. The agency stated that these audiences should not purchase or use the identified product.

The FDA’s advisory names the device as a digital thermometer and identifies its model number as MT-101. The notice characterizes the product as unregistered.

Key details from the advisory

• The publisher is the Food and Drug Administration.
• The notice is FDA Advisory No. 2026-1679.
• The identified product is DIGITAL THERMOMETER MODEL NO.: MT-101.
• The FDA describes the product as an unregistered medical device.
• The FDA warns healthcare professionals and the general public not to purchase and use the product.

The advisory is directed at both professional and public audiences, placing the product identification and the agency’s warning at the center of the notice.

Context for medical device sales audiences

For medical device sales professionals, the FDA notice provides a specific product identification to recognize in customer-facing product discussions and materials. The agency’s stated warning is limited to DIGITAL THERMOMETER MODEL NO.: MT-101.

The FDA’s publication also highlights the relevance of product identification details, including a device’s model number, when reviewing medical device information. In this advisory, the agency identifies the product by its name and model number and states that it is unregistered.

Healthcare-facing teams can note the FDA’s stated direction: healthcare professionals and the general public should not purchase or use the product named in Advisory No. 2026-1679.