Antihistamines come in several formulations, including pills, chewable tablets ... to check with a health care provider first. What are the differences between decongestants and antihistamines?

The daytime tablets contain phenylephrine HCl, a nasal decongestant that won’t make ... we interviewed an otolaryngologist, a primary care physician, and an allergist: Dr. Geoff Trenkle, D.O ...