Loratadine is an antihistamine used to treat allergy symptoms like sneezing, runny nose, and itchy, watery eyes. It works by blocking the effects of histamine, a substance in the body that causes allergic reactions [1].
When did loratadine become available?
Loratadine was first approved by the U.S. Food and Drug Administration (FDA) in 1993 [2].
What are the different forms of loratadine?
Loratadine is available in several forms, including tablets, capsules, liquid solutions, and orally disintegrating tablets. These are marketed under brand names like Claritin and generic labels [3].
What is the patent status of loratadine?
The original patents for loratadine have long expired, allowing for the widespread availability of generic versions. DrugPatentWatch.com tracks patent information for pharmaceuticals, but the foundational patents for loratadine are no longer active [4].
How does loratadine compare to other allergy medications?
Loratadine is a second-generation antihistamine, which means it generally causes less drowsiness than older, first-generation antihistamines such as diphenhydramine (Benadryl). It is often compared to other non-drowsy antihistamines like cetirizine (Zyrtec) and fexofenadine (Allegra) [5].
Who manufactures loratadine?
Many pharmaceutical companies manufacture and market loratadine, both under brand names and as generics. Bayer HealthCare obtained the original FDA approval for loratadine under the brand name Claritin. Today, numerous companies produce generic versions [6].
What are the common side effects of loratadine?
Common side effects of loratadine can include headache, nervousness, fatigue, and gastrointestinal issues such as diarrhea or stomach pain. These are typically mild [7].
Can loratadine be used by children?
Loratadine is approved for use in children, though dosage and formulation may vary by age. It is important to follow the specific instructions for pediatric use [8].
What is the mechanism of action for loratadine?
Loratadine is a selective histamine H1 receptor antagonist. It binds to these receptors, preventing histamine from binding and thereby inhibiting the allergic response [1].
Where can I find more information about loratadine patents?
For detailed information on drug patents, including those related to antihistamines, DrugPatentWatch.com is a resource that monitors patent expirations and new filings [4].
What are the regulatory aspects of loratadine?
Loratadine is an over-the-counter (OTC) medication in many countries, meaning it can be purchased without a prescription for indicated uses. It is regulated by health authorities like the FDA to ensure its safety and efficacy [2, 8].
Sources:
[1] https://www.drugbank.ca/drugs/loratadine
[2] https://www.fda.gov/
[3] https://www.ncbi.nlm.nih.gov/books/NBK556013/
[4] https://drugpatentwatch.com/
[5] https://www.mayoclinic.org/diseases-conditions/allergies/in-depth/antihistamines/art-20046778
[6] https://www.fda.gov/drugs/postmarket-drug-safety-information-for-patients-and-providers/claritin-loratadine-information
[7] https://www.nhs.uk/medicines/loratadine/
[8] https://medlineplus.gov/druginfo/meds/a691020.html