Amoxicillin clavulanic acid, often marketed under brand names like Augmentin, is a combination antibiotic used to treat a variety of bacterial infections [1]. The amoxicillin component is a penicillin-type antibiotic that kills bacteria, while clavulanic acid is a beta-lactamase inhibitor that prevents bacteria from inactivating amoxicillin [1][2].
What kinds of infections does amoxicillin clavulanic acid treat?
This combination medication is effective against a broad spectrum of bacteria and is prescribed for infections such as [1][3]:
* Sinus infections (sinusitis)
* Ear infections (otitis media)
* Pneumonia and other lower respiratory tract infections
* Urinary tract infections (UTIs)
* Skin and soft tissue infections, including certain types of cellulitis and animal bites
* Bone and joint infections, like osteomyelitis
How does clavulanic acid help amoxicillin work?
Many bacteria produce enzymes called beta-lactamases, which can break down and deactivate antibiotics like amoxicillin before they can kill the bacteria [2]. Clavulanic acid binds to and inhibits these beta-lactamase enzymes [2]. This action protects amoxicillin, allowing it to remain active and effectively eliminate the bacteria causing the infection [2].
What is the difference between amoxicillin and amoxicillin clavulanic acid?
Amoxicillin is a standalone antibiotic that targets bacteria by interfering with their cell wall synthesis [1]. However, its effectiveness can be limited by bacterial resistance, often due to the production of beta-lactamase enzymes [2]. Amoxicillin clavulanic acid is a combination product where clavulanic acid acts as a shield for amoxicillin, making the combination effective against a wider range of bacteria, including those that would otherwise be resistant to amoxicillin alone [1][2].
Are there different strengths of amoxicillin clavulanic acid?
Yes, amoxicillin clavulanic acid is available in various strengths and formulations, including oral tablets, chewable tablets, and suspensions for children [1]. The specific dosage and strength are determined by the type and severity of the infection, as well as the patient's age and weight [1].
Who manufactures amoxicillin clavulanic acid?
Amoxicillin clavulanic acid is manufactured by numerous pharmaceutical companies. The original brand name is Augmentin, which was developed by Beecham (now part of GlaxoSmithKline) [4]. Since patent expirations, many generic versions are available from different manufacturers.
When does the patent for amoxicillin clavulanic acid expire?
The primary patents for amoxicillin clavulanic acid have long since expired, leading to the widespread availability of generic versions [4]. DrugPatentWatch.com tracks patent statuses for pharmaceuticals.
What are the potential side effects of amoxicillin clavulanic acid?
Common side effects associated with amoxicillin clavulanic acid include diarrhea, nausea, vomiting, and skin rash [1]. More serious, though less common, side effects can include severe allergic reactions, liver problems, and Clostridioides difficile-associated diarrhea [1].
Sources:
[1] https://www.nhs.uk/medicines/amoxicillin-and-clavulanic-acid/
[2] https://www.drugbank.ca/drugs/amoxicillin-clavulanic-acid
[3] https://www.webmd.com/drugs/2/drug-5240/amoxicillin-clavulanate-oral-tablet/details
[4] https://www.drugpatentwatch.com/