Claritin is a Brand name of Loratadine which was developed by Schering-Plough in 1981 and marketed not until 1993, when it was listed among the World Health Organization’s List of Essential Medicines. It is basically used to fight Histamines “chemical” released into your body system as part of an allergic reaction. Such allergies includes:-
- allergic rhinitis (hay fever)
- watery eyes
- itchy eyes, nose
- flashing light headaches and ache
Info on this page
Claritin is a tricyclic antihistamine, which acts as a selective inverse agonist of peripheral histamine H1-receptors. When given orally, it absorbs well from the gastrointestinal tract.
Theoretically Claritin’s peak effect occurs after one to two hours, and its biological half-life is on average 8 hours (range 3 to 20 hours). Forty Percent- 40% is excreted through urine and feces as conjugated metabolites.
However that is not the case when administered, Claritin shows to be a time released medication, it builds up in the system gradually, effectively reaching a peak stable state in about 3 days – Lasting for about 1-2weeks in the system.
This is the period it takes the released histamines to degrade and disappear. While waiting patiently as Claritin (loratadine) effectively blocks the release of new histamines in your body system.
Sometime it seems to have zero effect on patients. It is less proactive to other antihistamines such as Zyrtec work that works in less than an hour. Allegra (fexofenadine) reaches peak effect within 2 hours and Zyrtec (cetirizine) reaches peak effect in 1-2 hours.
Truth Be Told Claritin, Like All Other Anti-Histamines, Works Best When Taken As Precaution, Before Ever Experiencing Symptoms
Factors affecting the duration it takes Claritin (Loratadine) To Work
- Age: Claritin and the chewable tablets used on children younger than 6 years are less effective on severe allergies
- Type of Allergies: It is not fact that Claritin (Loratadine) are less effective on severe allergies e.g hives
- Dosage: This is based on the doctors prescription – Less “10mg or 20mg) you take can increase the time it takes for Claritin to work in your body system.
tolerance effect This is where an antihistamine loses its effect after long-term use on a patient. Changing the antihistamine brand in this case may be effective.
How long does it take children Claritin (loratadine) to work?
For children, other antihistamine like zyrtec works best though a little sedating for some, because it takes Claritin about a week or 2 to be effective on them.
How Long Does It Take For Claritin To Work On Hives
This is to note that Claritin (Loratadine) is not a treatment for hives. It will take forever to treat does not prevent hives or prevent/treat a serious allergic reaction (e.g., anaphylaxis)
Top 2 Alternatives to Claritin (loratadine)
These Claritin (loratadine) – antihistamine alternative are based on effectiveness and how long it effect takes place
All Said It is always best to check with a pharmacist or your doctor first before administrating any form of medication. Do you have any experience with Claritin (Loratadine)? How Long Does It Take For Claritin To Start Working and what kind of allergies did you have… lets hear you in the comment section below.