Tag: Phenylephrine side effects

While an FDA panel has concluded that oral phenylephrine is ineffective as a nasal decongestant, headaches remain a reported side effect of various forms of this medication. So, can phenylephrine cause headaches? Yes, it is a possible side effect, particularly in higher doses or in sensitive individuals.

Over 280,000 adverse drug events are reported annually, highlighting the critical need for understanding medication safety. Knowing **when not to take Bioflu** is vital for avoiding potential harm from its active ingredients and ensuring you use the medication safely to relieve cold and flu symptoms.

It's a misconception that eye drops only affect the eyes; up to 80% of the active ingredient can enter the systemic circulation. This raises the valid concern: **do eye drops raise BP?** While many drops are safe, certain types containing vasoconstrictors can indeed cause a temporary increase in blood pressure.