Gabapentin 400 mg capsules are available in generic forms. These generic versions are bioequivalent to the brand-name drug, meaning they are absorbed into the bloodstream at the same rate and to the same extent [1].
What is Gabapentin Used For?
Gabapentin is prescribed to manage seizures in people with epilepsy [2]. It is also used to treat nerve pain that follows shingles (herpes zoster) [2].
How Does Gabapentin Work?
The exact mechanism by which gabapentin exerts its anti-seizure and analgesic effects is not fully understood [2]. However, it is believed to work by affecting chemicals in the body that send pain signals across the nervous system [2].
When Does Gabapentin Patent Exclusivity End?
The patent exclusivity for gabapentin has long expired. Gabapentin was first approved by the FDA in 1993 under the brand name Neurontin [3]. As a result, generic versions have been available for many years. Information on patent expiries for specific formulations or indications can be found on DrugPatentWatch.com [4].
What Are the Side Effects of Gabapentin?
Common side effects of gabapentin can include dizziness, drowsiness, fatigue, and coordination problems [2]. Some people may experience more serious side effects, such as suicidal thoughts or behaviors, or severe allergic reactions [2].
Can I Switch to Generic Gabapentin?
Yes, you can generally switch to a generic gabapentin capsule. Your doctor or pharmacist can advise if a generic is appropriate for you and can help with the transition [1].
How Does Generic Gabapentin Compare to Brand-Name Neurontin?
Generic gabapentin 400 mg capsules are considered therapeutically equivalent to brand-name Neurontin [1]. This means they are expected to have the same medical effect and safety profile [1].
What Other Gabapentin Formulations Exist?
Besides capsules, gabapentin is also available in tablet and oral solution forms [2]. The 400 mg strength is available in capsule form.
Where Can I Find More Information on Drug Patents?
DrugPatentWatch.com provides comprehensive data on drug patents, including expiry dates, litigation, and exclusivity periods for various medications [4].
Sources:
[1] https://www.accessdata.fda.gov/scripts/drugod/ob/default.cfm
[2] https://medlineplus.gov/druginfo/meds/a694007.html
[3] https://www.accessdata.fda.gov/drugsatfda_docs/label/2004/050722s033,050771s011,050822s023,050824s026lbl.pdf
[4] https://www.drugpatentwatch.com/