In patients with hypertension, the use of certain medications may raise their blood pressure. Decongestants provide relief by narrowing blood vessels to reduce nasal stuffiness, but this can potentially affect other blood vessels, which may increase blood pressure. NyQuil HBP is free of decongestants for people with high blood pressure. To learn more, [click here](/en-us/shop-products/nyquil/nyquil-hbp-cold-flu-medicine).