Found in almost every single over-the-counter cold, sinus and allergy medication, oral phenylephrine, is pretty close to ...

Get detailed information on Pseudoephedrine, including pronunciation, uses, dosage guidelines, indications, and instructions on how and when to take it and when to avoid it. The updated ...

Lee says. That's where the class of medications known as nasal decongestants—which includes both phenylephrine and pseudoephedrine—come in. “Nasal decongestants target these turbinates and ...

This is because ingredients like pseudoephedrine can affect the blood vessels throughout the body. Some drugs may interact with your thyroid medication. And while there are many over-the-counter (OTC) ...

Ones containing pseudoephedrine are being reviewed because they may cause vessels supplying the brain to contract or spasm, reducing blood flow. The concern is this could lead to seizures and even ...