- Allegra-D contains a combination of fexofenadine and pseudoephedrine. Fexofenadine is an antihistamine that reduces the effects of natural chemical histamine in the body.
- Find patient medical information for Allegra-D 12 Hour oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.
- Learn about the prescription medication Allegra-D Fexofenadine HCl and Pseudoephedrine HCl, drug uses, dosage, side effects, drug interactions, warnings.
- Official site from sanofi-aventis. Includes detailed prescribing and patient information.
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ALLEGRA-D® 12 HOUR (fexofenadine hcl and pseudoephedrine hcl) (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. Tablets also contain as excipients: microcrystalline cellulose, pregelatinized starch, croscarmellose sodium, magnesium stearate, carnauba wax, stearic acid, silicon dioxide, hypromellose and polyethylene glycol. Fexofenadine hydrochloride, one of the active ingredients of ALLEGRA-D (fexofenadine hcl and pseudoephedrine hcl) 12 HOUR, is a histamine H1-receptor antagonist with the chemical name (±)-4-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-butyl]-α, α-dimethyl benzeneacetic acid hydrochloride and the following chemical structure: The molecular weight is 538.13 and the empirical formula is C32H39NO4•HCl. Fexofenadine hydrochloride is a white to off-white crystalline powder. It is freely soluble in methanol and ethanol, slightly soluble in chloroform and water, and insoluble in hexane. Fexofenadine hydrochloride is a racemate and exists as a zwitterion in aqueous media at physiological pH. Pseudoephedrine hydrochloride, the other active ingredient of ALLEGRA-D (fexofenadine hcl and pseudoephedrine hcl) 12 HOUR, is an adrenergic (vasoconstrictor) agent with the chemical name [S-(R*,R*)]-α-[1-(methylamino)ethyl]-benzenemethanol hydrochloride and the following chemical structure: The molecular weight is 201.70. The molecular formula is C10H15NO•HCl. Pseudoephedrine hydrochloride occurs as fine, white to off-white crystals or powder, having a faint characteristic odor. It is very soluble in water, freely soluble in alcohol, and sparingly soluble in chloroform. What are the precautions when taking fexofenadine hcl and pseudoephedrine hcl (Allegra-D)? Before taking this medication, tell your doctor or pharmacist if you are allergic to fexofenadine or pseudoephedrine; or if you have any other allergies. Also, tell your doctor if you have had serious side effects from similar medications (such as other decongestants, including phenylephrine). This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: glaucoma, difficulty urinating (such as due to an enlarged prostate), high blood pressure (hypertension), heart/blood vessel disease (such as coronary artery disease), overactive thyroid (hyperthyroidism), diabetes, kidney disease. This drug may... Read All Potential Precautions of Allegra-D »','url':'http://www.rxlist.com/allegra-d-drug.htm','og_descr':'Learn about the prescription medication Allegra-D (Fexofenadine HCl and Pseudoephedrine HCl), drug uses, dosage, side effects, drug interactions, warnings, reviews and patient labeling.
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Allegra-D (fexofenadine and pseudoephedrine) is used to treat sneezing, hives, runny or stuffy nose and other symptoms of allergies. Includes Allegra-D side effects, interactions and indications.
Allegra-D Oral tablet, extended release 12 hour drug summary. Find medication information including related drug classes, side effects, patient statistics and answers.
Fexofenadine and pseudoephedrine Allegra-D drug side effects, dosage, pregnancy safety, and drug interaction information.