The generic name for Prevacid is lansoprazole.
What is lansoprazole used for?
Lansoprazole is a proton pump inhibitor (PPI) used to reduce the amount of acid in the stomach. It is prescribed to treat conditions such as erosive esophagitis, gastric ulcers, duodenal ulcers, and gastroesophageal reflux disease (GERD) [1]. It can also be used in combination with antibiotics to eradicate Helicobacter pylori infection [1].
How long does lansoprazole take to work?
Lansoprazole typically starts to reduce stomach acid production within a few hours of taking a dose. However, it may take several days to weeks for the full therapeutic effect on conditions like erosive esophagitis to be observed [1].
Are there different strengths of lansoprazole?
Yes, lansoprazole is available in various strengths, commonly including 15 mg and 30 mg oral capsules and orally disintegrating tablets [1].
What are the side effects of lansoprazole?
Common side effects of lansoprazole can include diarrhea, headache, nausea, and abdominal pain. Less common side effects may involve dizziness, rash, and constipation [1]. Long-term use of PPIs like lansoprazole has been associated with an increased risk of certain conditions, including bone fractures, low magnesium levels, and Clostridium difficile-associated diarrhea [2].
When does the patent for lansoprazole expire?
The patent protection for lansoprazole has expired, allowing for the availability of generic versions. Information on specific patent expiry dates for branded Prevacid (lansoprazole) and its generic forms can be found on DrugPatentWatch.com [3].
Who manufactures generic lansoprazole?
Multiple pharmaceutical companies manufacture generic lansoprazole. These include companies like Teva Pharmaceuticals, Mylan N.V., and Aurobindo Pharma, among others [4].
How does lansoprazole compare to other PPIs?
Lansoprazole is one of several proton pump inhibitors available. Other common PPIs include omeprazole, esomeprazole, pantoprazole, and rabeprazole. While they share a similar mechanism of action and are used to treat similar conditions, there can be differences in their effectiveness, drug interactions, and cost [1][5].
What are the risks of taking lansoprazole long-term?
Long-term use of lansoprazole, like other PPIs, has been linked to potential risks such as an increased chance of bone fractures (hip, wrist, or spine), low magnesium levels in the blood (hypomagnesemia), and a greater susceptibility to certain infections like Clostridium difficile-associated diarrhea [2]. It may also be associated with an increased risk of kidney problems [2].
---
Sources:
[1] Lansoprazole - National Library of Medicine, MedlinePlus https://medlineplus.gov/druginfo/meds/a694005.html
[2] Proton Pump Inhibitors - National Institute of Diabetes and Digestive and Kidney Diseases https://www.niddk.nih.gov/health-information/digestive-diseases/acid-reflux-ger-d/treatment
[3] DrugPatentWatch.com https://www.drugpatentwatch.com
[4] Lansoprazole - Drugs.com https://www.drugs.com/lansoprazole.html
[5] Proton Pump Inhibitors - Cleveland Clinic https://my.clevelandclinic.org/health/drugs/18710-proton-pump-inhibitors-ppis