Because these products can make you sleepy, avoid driving and other complex tasks when taking these medications.Newly available OTC loratadine (Claritin®) is non-sedating but may not be as effective for suppressing viral URI symptoms.It also causes small blood vessels, or capillaries, in your mucus membranes to expand (dilate), which can cause nasal congestion.
All antihistamines are best used for allergy, but they can be helpful for suppressing some viral URI symptoms.
Allegra-D 24 Hour®, a combined antihistamine and decongestant in a single once-daily dose, received FDA approval in October.
The three main markets for Allegra-D 12 Hour® are the U. (number 1, with a market share of 49%), Brazil (number 4, 12.5% market share) and Mexico (number 8, 2.4% market share).
It provides patients with potent relief from the symptoms of allergy without inducing drowsiness.
Sanofi-aventis also markets Allegra-D 12 Hour®, a formulation combined with an extended-release decongestant for effective and non-sedating relief of seasonal allergy symptoms including nasal congestion.