Aerius is a prescription antiallergic medication containing 5mg Desloratadine in film-coated tablet form. This long-acting, non-sedating antihistamine is taken once daily to provide 24-hour relief from allergy symptoms. The package contains 30 tablets. This medication is manufactured by MSD and comes in a convenient pack of 30 film-coated tablets. The active ingredient Desloratadine is formulated at 5mg strength per tablet. It is designed for once-daily dosing and provides long-lasting antiallergic effects without causing drowsiness.