Name: Alavert

What is the most important information I should know about Alavert (loratadine)?

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

Uses of Alavert

  • It is used to ease allergy signs.
  • It is used to treat hives.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Feeling very tired or weak.


temporarily relieves these symptoms due to hay fever or other upper respiratory allergies:

  • runny nose
  • sneezing
  • itchy, watery eyes
  • itching of the nose or throat

Questions or comments?

call weekdays from 9 AM to 5 PM EST at 1-800-Alavert (1-800-252-8378)

Other Comments

Administration advice:
-This drug may be taken with or without food.
-Oral solution formulations should be used with the enclosed dosing cup.
-Oral dissolving tablets (ODTs)/oral lyophilisates should be opened immediately before placement on the tongue; the tablet should be allowed to dissolve and may be taken with or without water.

Storage requirements:
-Liquid filled capsules: Keep from freezing.
-Chewable, oral lyophilisates, and ODTs: Store unopened blister packs at 20 to 25C.
-Oral tablets: Protect from moisture.

Patient advice:
-Inform patients that this drug may cause drowsiness, and they should avoid driving or operating machinery until the full effects of the drug are seen

Loratadine Identification

Substance Name


CAS Registry Number


Drug Class


Nonsedating Antihistamines

Administrative Information

LactMed Record Number


Last Revision Date



Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.