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Nervous System Disorders
Question #25374
45 days ago
85

how gabapentin works - #25374

Divya

I am really confused about how gabapentin works. My doctor prescribed it for my neuropathic pain after I was in a car accident last year, and honestly, I'm not sure I really get the mechanism. I read a little about how gabapentin works, but I can't wrap my head around it. I’ve been taking it for a couple months now and while the pain is a bit better, I still have these weird tingling sensations in my legs! My friend said that how gabapentin works is that it calms the nerves down or something like that. Is that true? Like, does it block pain signals or does it do something else entirely? Plus, I heard it can affect your mood, which makes me worry. I’ve been a bit more exhausted than I used to be, and I don't know if it's the gabapentin or just life stress. How long does it take for it to really kick in, or does it work differently for everyone? I just wanna make sure I understand how gabapentin works because I don’t want to keep taking something that might not be right for me. Any advice?

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Doctors' responses

Gabapentin works by modifying the way your brain senses pain, specifically in cases of neuropathic pain, like what you are experiencing after your accident. It was originally developed as an anti-epileptic drug, but has been found effective in reducing types of nerve pain. The exact mechanism isn’t fully understood, but it is believed that gabapentin reduces abnormal excitability and conduction in nerves. It binds to a specific subunit of voltage-gated calcium channels in the central nervous system, which likely decreases the release of certain pain neurotransmitters like glutamate and substance P. Instead of directly blocking pain signals, it dampens the abnormal firing of sensory nerves, which can calm down the perception of pain, hence your friend’s comment about calming the nerves.

Gabapentin does not directly affect mood, though changes in mood can occasionally be a side effect. Feeling more exhausted might be related to gabapentin, as drowsiness is a common side effect. Each person may react differently to the medication, and it can take a few weeks for the full effects to be felt. It’s important to give it some time and see if it improves your symptoms while keeping track of any side effects. If you’re feeling more exhausted, it’s worth discussing this with your doctor to determine if it’s the medication or other factors like stress.

In terms of your continued tingling sensations, gabapentin may reduce them over time, but it varies from person to person. If you’re concerned about whether it’s the right medication for you, especially with persistent side effects or if your symptoms aren’t adequately managed, talk to your doctor. They might adjust your dosage or consider alternate treatments. It’s crucial to not stop or adjust the dosage on your own due to withdrawal risks. They may also investigate other potential causes for your symptoms, ensuring nothing else is at play.

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