Lyrica 300mg contains the active ingredient Pregabalin and is prescribed to treat various conditions including neuropathic pain associated with diabetic neuropathy, postherpetic neuralgia, fibromyalgia, and as an adjunctive therapy for partial onset seizures in adults. buy Pregabalin 300mg online works by reducing the abnormal electrical activity in the brain that causes seizures and by modifying the release of neurotransmitters involved in pain signaling. Common side effects may include dizziness, drowsiness, weight gain, and dry mouth. It is important to follow medical advice regarding dosage and potential interactions with other medications.