Description
Prebasun (Pregabalin) 450 mg
Prebasun 450 mg is a pregabalin capsule product. Pregabalin is a prescription medicine used in several conditions involving nerve pain, seizure control and, in some countries, generalized anxiety disorder in adults.
Active Ingredient and Medicine Class
The verified active ingredient is pregabalin. It belongs to the gabapentinoid class and is classified as an antiepileptic medicine. Regulatory labels also describe it as a treatment for neuropathic pain and fibromyalgia, depending on the jurisdiction.
Established Medical Uses
Official prescribing information supports pregabalin for neuropathic pain associated with diabetic peripheral neuropathy, postherpetic neuralgia, adjunctive treatment of partial-onset seizures, and fibromyalgia. In some regions, pregabalin is also approved for generalized anxiety disorder in adults. Approved uses vary by country and product label.
How It Works
Pregabalin binds to the alpha-2-delta subunit of voltage-gated calcium channels in the nervous system. This reduces the release of certain excitatory neurotransmitters and may lessen abnormal nerve signaling that contributes to pain, seizures and anxiety symptoms.
Important Safety Information
Pregabalin is not suitable for everyone. Important safety concerns include hypersensitivity or angioedema, and caution is needed in people with a history of substance misuse or respiratory impairment. Regulatory labeling warns that pregabalin can cause suicidal thoughts or behaviour, and respiratory depression may occur, especially with other central nervous system depressants. Clinically significant interactions can occur with opioids, benzodiazepines, alcohol and other sedating medicines, which may increase drowsiness and breathing-related risk. Sudden discontinuation has been associated with withdrawal symptoms.
Possible Side Effects
Common adverse effects include dizziness, sleepiness, blurred vision, dry mouth, swelling, weight gain and difficulty with attention or thinking. Less common but serious reactions can include severe allergic swelling, mood changes, breathing problems and marked unsteadiness.
Scientific Evidence
Clinical trials and systematic reviews support pregabalin’s benefit in several neuropathic pain conditions and as adjunctive therapy for partial seizures. Reviews in generalized anxiety disorder report that pregabalin can reduce anxiety symptoms in adults, while also noting tolerability issues such as dizziness and somnolence. Meta-analyses consistently identify these adverse effects as among the most frequent treatment-related events.
Medical Information Notice
This page is an educational summary based on sources available at the time of review and does not replace the official patient leaflet, product label or assessment by a qualified health professional.
Medical Sources
- U.S. National Library of Medicine, DailyMed: PREGABALIN capsule prescribing information. View source
- U.S. Food and Drug Administration: LYRICA (pregabalin) Capsules, CV / Oral Solution, CV prescribing information. View source
- Frampton JE et al. Pregabalin: a review of its use in adults with generalized anxiety disorder. CNS Drugs. 2014. PubMed




