Pseudoephedrine and phenylephrine are both nasal decongestants but can have different side effects. You can only purchase pseudoephedrine from pharmacy staff and have to show your ID. You may know ...

Pseudoephedrine and phenylephrine are common ingredients in medicines for the common cold, flu, and allergies. They can relieve sinus pressure and nasal congestion. Pseudoephedrine and phenylephrine ...