Antiepileptic Drugs for Neuropathic Pain & Fibromyalgia | Cochrane Reviews
Explore how antiepileptic drugs, often used for epilepsy, offer potential relief for neuropathic pain and fibromyalgia. Gabapentin and pregabalin show promising results, especially for diabetic neuropathy and postherpetic neuralgia, though effectiveness varies widely; some experience significant pain reduction while others see little to no change. These medications commonly bring side effects. Discover the nuanced efficacy of these drugs, understanding the varying patient responses. This research, available on News Directory 3, highlights the importance of further studies to pinpoint which patients benefit most. Discover what’s next in pain management.
Antiepileptic Drugs: A Potential Treatment for Neuropathic Pain and Fibromyalgia
Updated June 11, 2025
Antiepileptic drugs, also known as anticonvulsants, are typically prescribed for epilepsy but are sometimes used to treat neuropathic pain and fibromyalgia. Neuropathic pain arises from damaged nerves, unlike pain from tissue damage. Consequently, common pain relievers like acetaminophen or ibuprofen are often ineffective. However, certain antidepressants and antiepileptics can provide relief for some individuals.
A review of existing research indicates that gabapentin and pregabalin have demonstrated effectiveness in treating long-term nerve pain associated with diabetes (painful diabetic neuropathy) and pain following shingles (postherpetic neuralgia). Pregabalin has also shown promise in managing central neuropathic pain, frequently enough experienced after a stroke, and fibromyalgia. These drugs can significantly reduce pain for some, but the level of relief varies. Studies suggest that only 10% to 25% of patients experience a 50% reduction in pain, depending on the specific condition and medication. Many individuals may not experience any pain relief.
The use of antiepileptic drugs is frequently accompanied by side effects,with approximately one in four individuals discontinuing treatment due to intolerable reactions. However, serious side effects are no more prevalent with antiepileptic drugs than with placebos.
The available evidence does not consistently meet current standards, potentially overstating the benefits. Notably, there is a lack of considerable evidence supporting the use of most antiepileptic drugs for various types of neuropathic pain and fibromyalgia. Lacosamide and lamotrigine, for example, have shown a lack of effect. Other antiepileptic drugs, including carbamazepine, clonazepam, phenytoin, and valproate, have either insufficient or no evidence of effectiveness.
What’s next
Further research is needed to identify which patients are most likely to benefit from specific antiepileptic drugs for neuropathic pain and fibromyalgia, and to better understand the long-term effects and optimal use of these medications.