Find out how pregabalin treats epilepsy, anxiety and nerve pain and how to take it. NHS medicines information on pregabalin – what it's used for, side effects, dosage and who can take it. Pregabalin (Lyrica) is a medication that treats nerve pain by calming overactive nerves. It can also treat epilepsy. Pregabalin is used with other medicines to help control partial-onset seizures (convulsions) in the treatment of epilepsy in patients 1 month of age and older. This medicine will not cure epilepsy and will only work to control seizures for as long as you continue to take it. Pregabalin is used to treat certain types of nerve pain, fibromyalgia, or seizures. Common side effects may include dizziness, sleepiness, fluid retention, and blurred vision. View pregabalin information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding and important safety information. What Is Pregabalin and How Does It Work? Pregabalin is used to treat pain caused by nerve damage due to diabetes or to shingles (herpes zoster) infection. It may also be used to treat nerve pain caused by spinal cord injury. This medication is also used to treat pain in people with fibromyalgia. Detailed Pregabalin dosage information for adults and children. Includes dosages for Fibromyalgia, Neuropathic Pain, Diabetic Neuropathy and more; plus renal, liver and dialysis adjustments. Pregabalin, sold under the brand names Axalid and Lyrica among others, is an anticonvulsant, analgesic, and anxiolytic amino acid medication used to treat epilepsy, neuropathic pain, fibromyalgia, restless legs syndrome, opioid withdrawal, generalized anxiety disorder (GAD), and postherpetic neuralgia (a type of nerve damage that can result. Pregabalin is used to treat pain caused by fibromyalgia, or nerve pain in people with diabetes (diabetic neuropathy), herpes zoster (post-herpetic neuralgia), or spinal cord injury. Pregabalin capsules and oral solution are used along with other medications to treat certain types of seizures in adults and children 1 month of age and older. Pregabalin is in a class of medications called anticonvulsants.