According to NHS guidance, people taking gabapentin may need to dial 999 in certain emergencies related to the drug. Gabapentin, although not strictly categorised as apainkiller, is often prescribed for nerve pain treatment, particularly after an injury.

It can also be used to manage pain associated with conditions likeshingles and diabetes.The drug works by blocking pain signals travelling through the brain and down the spine. However, it's also frequently prescribed for epilepsy treatment and is classified as an anticonvulsant. Typically, gabapentin is consumed in the form of capsules, tablets, or a liquid, usually three times daily.

NHS guidance emphasises that most people taking gabapentin won't experience any side effects. Even those who do will likely find them mild and temporary.

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However, there could be instances where serious side effects related to gabapentin necessitate a 999 call. Minor side effects can include nausea, dry mouth, weight gain, and memory issues.

More severe side effects might include suicidal thoughts or self-harm ideation, unexpected muscle pain or weakness, and hallucinations. Despite this, the NHS advises that symptoms of these typically only warrant an urgent call to a doctor or 111.

Like many medications, it is possible to experience a severe allergic reaction to gabapentin, known as anaphylaxis, which can present a wide range of symptoms such as swelling in the throat and difficulty breathing. The NHS recommends calling 999 if you're taking gabapentin and experience any of the following:

• Sudden swelling of lips, mouth, tongue, or throat


• Fainting, and the person cannot be woken up


• Lips, skin, or tongue turning blue, pale, or grey


• Difficulty breathing or breathing very fast


• Tight feeling in the throat of difficulty swallowing

There is also the risk of becoming addicted to gabapentin, especially if you take it over a longer period. If you experience withdrawal symptoms from stopping the medication, your doctor may advise slowly reducing your dose in order to avoid withdrawal.

The NHS states:"Do not stop taking gabapentin without talking to your doctor. Talk to your doctor if you're concerned about becoming physically dependent on gabapentin."

Keep in mind that the above-mentioned is not a complete list of side effects and full information should be available on the leaflet included in your medicine packet. Further guidance on side effects associated with gabapentin can be found on the NHS website here.