Allegra Gelcaps 24-hour relief of indoor and outdoor allergy symptoms in a gel-coated tablet Adults and children age 12 and up Allegra-D 24-hour or 12-hour relief of indoor and outdoor allergy symptoms including nasal congestion and sinus pressure Adults and children age 12 and up Unfortunately our full catalog may not be displayed in your state. If you contact our Customer Support by one of the methods below, we will be able to assist you in locating the product you are looking for. Adults and children 12 years of age and older: Swallow 1 caplet every 12 hours. Do not give to children under 12 years of age. Patients of 65 years or older should ask a doctor before use of Allegra‑D. Get prescription-strength allergy relief from indoor and outdoor allergies without a prescription. Allegra, now over-the-counter (OTC), provides fast,* 24-hour, non-drowsy relief. Learn more about Allegra and save today. * Starts to work at hour one. ALLEGRA-D ® 12 HOUR (fexofenadine hydrochloride and pseudoephedrine hydrochloride) Extended-Release Tablets for oral administration contain 60 mg fexofenadine hydrochloride for immediate release and 120 mg pseudoephedrine hydrochloride for extended release. How to use Allegra-D 12 Hour. If you are taking the over-the-counter product to self-treat, read all directions on the product package before taking this medication. ALLEGRA-D (fexofenadine hcl and pseudoephedrine hcl) 12 HOUR is a two-layer tablet, one white layer and one tan layer with a clear film coating on the tablet. The tablets are engraved with ”06/012D” on the white layer. ALLEGRA-D 12 HOUR is a two-layer tablet, one white layer and one tan layer with a clear film coating on the tablet. The tablets are engraved with 06/012D on the white layer. The tablets are engraved with 06/012D on the white layer. Allegra-D has prescription-strength allergy relief and a nasal decongestant available without prescription behind the counter Detailed dosage guidelines and administration information for Allegra D 12 hour (fexofenadine hydrochloride and pseudoephedrine hydrochloride). Includes dose adjustments, warnings and precautions. Includes dose adjustments, warnings and precautions.