Along with OTC nasal decongestants, some decongestant drugs are available only with a prescription. An antihistamine is a type of medication that is used to relieve or prevent allergy symptoms ...

Some medications combine an antihistamine and a decongestant (such as pseudoephedrine) to ease congestion. These require you to have a photo ID to purchase and are stored behind the pharmacy counter.

Some readers of The Straits Times have expressed concern after reading a report about pharmaceutical giant GSK’s decision to stop producing Zyrtec-D, its popular antihistamine and decongestant ...

Getty Images Some antihistamines, like Claritin-D and Allegra-D, come combined with pseudoephedrine (Sudafed). Doctors don’t recommend products that contain pseudoephedrine for children at all ...