Claritin, Zyrtec and Allegra are all good antihistamine drugs. For quite some time these drugs are available over the counter and without any prescription. Many believe that all antihistamines are the same but they are not. The choice of an antihistamine to cure allergic conditions depends on the age of a person, the allergic condition that is being treated and certain other factors.
There are a number of antihistamine drugs available, it is important to learn about them, discuss with a physician and then decide the one which ideally suits you.
Drugs have their advantages and disadvantages. Out of the three drugs, namely, Claritin, Zyrtec and Allegra, Claritin and Zyrtec are preferred during pregnancy. Allegra is considered safe for mothers who breast feed their child.
Another aspect of Allegra is that it is non-sedating drug. It does not make the patients sleepy, once they have consumed it. However, Zyrtec causes sleepiness.
Best Antihistamine Among Claritin, Zyrtec & Allegra
Medicines like Allegra and Zyrtec are quick to treat hives and allergic rhinitis. On the other hand, Claritin takes hours before it starts acting. The three histamines work throughout the day if taken once daily. It is recommended to take the medicines once daily. Allegra, Claritin lose their power after 20 hours. Zyrtec, on the contrary works for 24 hours.
According to reports, the different antihistamines can be used for adults as well as children. In this respect, it is pertinent to mention the dosages of antihistamines. Medicines like Claritin are Zyrtec give best results if they are used once, daily. Allegra can be used two times, daily; it is used once per day for adults and kids who are aged above 12 years.
Effectiveness of Claritin, Zyrtec & Allegra
The three drugs like Zyrtec, Claritin and Allegra are superb antihistamine drugs. However, there are differences between the three drugs. The effectiveness of the drugs depend on a number of factors like the patient's age, whether the patient is suffering from other illness and so on.