The point-of-care breathalyzer market is projected to grow from USD 452.9 million in 2025 to USD 773.6 million by 2035, at a CAGR of 5.5%. Handheld will dominate with a 52.8% market share, while fuel-cell technology (alcosensor iii or iv) will lead the product technology segment with a 47.1% share.