Overview: Nasal azelastine is an antihistamine nasal spray used to treat symptoms ... If you are using over-the-counter nasal azelastine, follow the instructions that come with the product.

Most OTC medicines, including antihistamines and nasal steroids, are safe to use as directed for as long as your symptoms last, but there are some exceptions. Don't use a decongestant nasal spray ...

You can also use them in combination with over-the-counter treatments ... You can find them as a nasal spray or as an oral decongestant. Note that nasal spray decongestants like oxymetazoline ...

It's always a good idea to try your best to avoid your allergy triggers, but that doesn't mean you have to hole up inside with a box of tissues. Parikh shares a few ways to get ahead of allergy season ...