Which over-the-counter product is known to potentially interfere with blood pressure medicine?

Nasal decongestants are known to potentially interfere with blood pressure medications due to their active ingredients, such as pseudoephedrine and phenylephrine. These decongestants work by constricting blood vessels in the nasal passages, which can lead to an increase in blood pressure. For individuals who are already managing hypertension with prescribed medications, the use of nasal decongestants can counteract the effects of those medications, making it more challenging to control blood pressure levels effectively.

In contrast, antacids primarily neutralize stomach acidity and do not have a direct effect on blood pressure. Probiotics are beneficial bacteria that primarily affect gut health, with minimal interactions with blood pressure medications. Cough suppressants are generally focused on relieving cough and may not have significant implications for blood pressure management. Thus, nasal decongestants stand out for their specific mechanism that can elevate blood pressure, leading to potential complications when combined with antihypertensive therapies.