The Current Status of Oral Phenylephrine as a Nasal Decongestant. American Addictions Center. Pseudoephedrine: Side Effects, Safety & Uses of Sudafed. UCLA Health. Chronic sinusitis has impacts beyond ...
Pseudoephedrine (e.g., Sudafed ... You should also call a doctor if you develop a fever or severe sinus pain. This could indicate sinusitis or a more severe condition. An allergist can help ...