FDA Clarifies Rules on Infrared Forehead Thermometers

During the pandemic, non-contact infrared forehead thermometers became an essential tool for many households, prized for their convenience and hygienic advantages. However, those searching for the U.S. Food and Drug Administration's (FDA) instructional video on how to use these devices may find it unavailable or removed from public access. This raises an important question: If official guidance is no longer accessible, how can users ensure accurate temperature measurements?

The FDA's instructional content may have been taken down for various reasons, such as updates to guidelines, platform adjustments, or technical issues. Regardless of the cause, the absence of this resource underscores the need for alternative methods to learn proper usage techniques.

To maximize the reliability of non-contact infrared thermometers, users should follow these critical steps:

1. Consult the product manual: Different brands and models may have specific operational requirements. The manufacturer's instructions provide the most accurate guidance for your particular device.
2. Maintain proper environmental conditions: Extreme ambient temperatures can affect measurement accuracy. For best results, use the thermometer in a stable indoor environment.
3. Ensure a clean, dry forehead: Sweat, dirt, or cosmetics can interfere with infrared detection. Wipe the forehead gently before taking measurements.
4. Position the device correctly: Most thermometers require specific distances from the forehead (typically 1-3 inches) and proper alignment with the center of the forehead. Follow the manufacturer's recommended positioning.

Regular calibration is essential for maintaining measurement precision. If readings consistently deviate from expected ranges or differ significantly from other measurement methods (such as oral thermometers), consider recalibrating or replacing the device.

While the FDA's video may no longer be available, healthcare professionals and reputable medical websites can provide supplemental guidance on proper thermometer use. Mastering these techniques not only supports personal health monitoring but also contributes to broader public health efforts.