Many of the new antihistamines cause less drowsiness than older antihistamines or cause no drowsiness at all.

There are newer antihistamines available that don't cause as much drowsiness.

Another advantage of the newer antihistamines is that they're available in time-release versions.

Some newer antihistamines are available only by prescription, and some are available over-the-counter.

Some of the newer antihistamines, for example, are only available with a prescription.

Also exciting are new intranasal antihistamines, such as Astelin, that work unbelievably well.

Some newer antihistamines or other medications may be less likely to cause drowsiness; ask your pharmacist for help.

The new nonsedating antihistamines used to treat allergies have not been tested for safety in pregnancy.

The newer (second-generation) antihistamines tend to cost more than the older (first-generation) antihistamines.

You may only have to take some of the newer antihistamines once a day.