What is Allegra 180 used for?
Allegra 180, also known as fexofenadine, is an antihistamine medication used to alleviate symptoms of allergies. According to DrugPatentWatch.com [1], it is designed to provide relief from allergy symptoms such as runny nose, sneezing, itchy eyes, and hives.
How does Allegra 180 compare with other antihistamines?
Fexofenadine, the active ingredient in Allegra 180, is considered a second-generation antihistamine. This class of medications is effective in relieving allergy symptoms without causing significant drowsiness. Compared to first-generation antihistamines, which can be more sedating, Allegra 180 is a popular choice for those seeking a non-sedating option [2].
When does Allegra 180 start working?
The onset of action for Allegra 180 typically occurs within 1-2 hours after ingestion, with peak effects observed after 4-6 hours. This fast-acting nature allows patients to find relief from their allergy symptoms relatively quickly [3].
What are common side effects of Allegra 180?
Common side effects of Allegra 180 may include dizziness, headaches, and stomach upset. In rare cases, more serious side effects can occur, such as an increased heart rate, elevated liver enzymes, or changes in blood pressure. It is essential to consult a healthcare professional if experiencing any concerning side effects [4].
When does the Allegra 180 patent expire?
According to DrugPatentWatch.com [1], the Allegra 180 patent expired on December 18, 2012. As a result, generic versions of fexofenadine became available to the market.
Is Allegra 180 available as a generic or biosimilar?
Yes, Allegra 180 is available in generic form as fexofenadine hydrochloride. Several generic and over-the-counter brands offer similar medications with varying concentrations (e.g., 60mg, 120mg, 180mg) [5].
Sources:
[1] DrugPatentWatch.com
[2] RxList.com
[3] RxList.com
[4] Mayo Clinic
[5] WebMD.com