They work in a slightly different way than decongestants, which reduce the swelling of blood vessels in the nasal passages.

In a lot of the cases, you see combinations of antihistamines and decongestants. And decongestants will constrict the blood vessels. So people who are expecting, rhinitis or runny nose ...

If you're stuffed up and struggle to breathe through your nose with allergies, you might want to consider a decongestant in addition to antihistamines. Decongestants target the relief of a stuffy ...

Another important consideration is the active ingredient in the drops. Antihistamines, decongestants, and mast cell stabilizers are all commonly used in allergy eye drops, and each works in a ...

Objective: The safety of asthma medications, antihistamines, and decongestants was assessed in a prospectively monitored report of 824 pregnant women with and 678 pregnant women without asthma.

So you're going to approach the pharmacy and probably get an over-the-counter antihistamine. You might then add a decongestant. And then the third line might be adding a corticosteroid to that ...