Cold Home > Alavert-D

Alavert-D is an over-the-counter medication used for treating cold or allergy symptoms. It is a combination drug that consists of an antihistamine and a decongestant. This medication, which is available in a 12-hour formula, comes in the form of an extended-release tablet and is typically taken twice a day. Potential side effects include dry mouth, drowsiness, and insomnia.

What Is Alavert-D?

Alavert®-D 12 Hour Allergy & Sinus (loratadine and pseudoephedrine sulfate) is a non-prescription medication approved to treat the following cold or allergy symptoms:
 
  • Nasal congestion
  • Sinus congestion and pressure
  • Runny nose
  • Sneezing
  • Itchy or watery eyes
  • Itchy nose or throat.
     
It contains loratadine (an antihistamine) and pseudoephedrine (a decongestant).
 
(Click Alavert-D Uses for more information, including possible off-label uses.)
 

Who Makes This Medication?

This medication is made by Wyeth Consumer Healthcare.
 

How Does Alavert-D Work?

Loratadine belongs to a class of drugs called antihistamines. Specifically, it is an H1 receptor antagonist. This means that it blocks a specific type of histamine receptor in the body known as H1 receptors. Because allergic reactions are partly caused by the release of histamine from certain cells in the body, loratadine can help relieve or prevent allergy symptoms.
 
Pseudoephedrine is a nasal decongestant, which works by constricting the blood vessels in the nose, helping to relieve nasal congestion. It is useful for relieving nasal congestion due to many causes, including allergies and the common cold.
 
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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