Gabapentin starting dose?

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Regular Member

Date Joined Mar 2008
Total Posts : 72
   Posted 7/31/2008 5:10 PM (GMT -6)   
Last Thursday my pcp prescribed my first trial of gabapentin. I followed the prescription dosage and took 300mg. 3 times per day. By Day 2, I was dizzy and disoriented and since the pcp had left for 2 weeks of holidays, called the pharmacist. His suggestion was that I keep taking it in the same dosage for a few more days to see whether the symptoms would go away. Instead of decreasing, they escalated coming to a point where I could barely navigate at all. I then called another pharmasist who was horrified at the dosage and told me to see a doctor within 24 hours.
I did see an on-call physician and her advice was that once I was feeling better(?)I should take one 300mg dose / day preferably at bedtime. I haven't taken any dose since Tuesday.
What is the typical starting dose of this drug?
Is there anyone out there who's had a similar experience with Neurontin/Gabbapentin?

Regular Member

Date Joined Jul 2008
Total Posts : 58
   Posted 7/31/2008 5:16 PM (GMT -6)   
i started that drug at 300mg 3x a day i didn't have a prob but now since that isn't enough i'm on 900 mg 3x a day but that isn't working either , it made me  a little dizzy but it went away i hope you are ok

Regular Member

Date Joined Mar 2008
Total Posts : 72
   Posted 7/31/2008 5:50 PM (GMT -6)   

Thanks for your reply. If you started on 300mg 3x per day, and had no problem, I wonder what the heck's going on with me? Different tolerances for different people? Interactions with other meds? Sure would be nice to know.

Thanks for your help.


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Date Joined Apr 2005
Total Posts : 17897
   Posted 7/31/2008 6:22 PM (GMT -6)   
Afterglo, the starting dose is usually 300 mg 3x a day, just as your doctor prescribed.  Here is a link to Neurontin.  Gabapentin is the generic of this so the information should fit.  Maybe it is interacting with something else you are taking.  Anyway, hope this helps you.
Forum Moderator/ Fibromyalgia
Fibromyalgia, Crohn's Disease, Ostomy, Diabetes, Autoimmune Inner Ear Disease, Osteoporosis
God does not give us a spirit of fear, but of power and of love and of a sound mind.    2 Timothy 1:7

Regular Member

Date Joined Mar 2008
Total Posts : 72
   Posted 7/31/2008 9:57 PM (GMT -6)   
Thanks, Sherrine, for that valuable link! The only other med that I can see it adversely interacting with is Naproxen.
I'll discuss this with the pharmacist before I resume taking it once/day.
The symptoms were so frighteningly severe after 4 days, I was sure I'd overdosed, and caused organ damage eyes
Thanks for the re-assurance! yeah

New Member

Date Joined Jul 2012
Total Posts : 2
   Posted 7/25/2012 12:39 PM (GMT -6)   
Gabapentin is one hell of a drug. The problem is that a truly effective dosage is likely in the 900 range. But you cannot take that large of a dosage because it will give you brutal side effects. Even the smallest Gabapentin dosage will give you side effects just like you experienced. Gabapentin takes 1-2 months to be truly effective because that is how long it takes to completely ramp up your dosage.

New Member

Date Joined Jul 2012
Total Posts : 19
   Posted 7/25/2012 5:42 PM (GMT -6)   
Thanks for the link Qi. Maybe you're one of the people who need to start at a very small dose Afterglo? It might make a big difference to the amount and severity of side effects. Some people with fibro are very drug sensitive.

I've recently started taking gabapentin. The regime the pain specialist prescribed is 300mg 3 times a day for 2 weeks, 600mg 3 times a day in week 3, 900mg 3 times a day in week 4 (which is where I'm up to), and increasing for a final time to 1,2000mg 3 times a day in week 5. I'm fortunate in that I'm not at all drug sensitive. I'm the opposite so this regime is tolerable.

I'm definitely experiencing side effects - dry mouth, feeling drugged sometimes, ataxia (balance problems), quite bad proprioception problems (flash way of saying I've become as clumsy as heck), memory loss or problem accessing memory when it comes to things I used do without thinking (e.g. making a cup of coffee, driving my car - I now have to consciously concentrate and often have to give myself instructions about how to do what I'm doing out loud), not being able to find words mid sentence, forgetting what I've walked into a room to do (lots of these things are the same s fibro fog which gabapentin is making way way worse) and heartburn.

Apart from the potential for disaster when driving I'm not too bothered about the side effects. I'm not working at the moment and my kids are adults so I'm not looking after small children. Some people call neurontin morontin and I can see why lol.

I'm going to keep taking it for a couple of months so I can reasonably assess it's effectiveness. For some folks it's a real Godsend and for others it's ineffective or the side effects are intolerable. Let us know what you decide to do re dosage etc and how you're getting on.

All the very best to you Afterglo,

Regular Member

Date Joined Jan 2012
Total Posts : 76
   Posted 7/27/2012 8:38 AM (GMT -6)   
Ive started on Gabapentin 300mg at night for almost a month now and lately upped to twice daily.  Besides feelin and lookin worse than a crap, it did nothin for my fibro pain and backaches.
Im also allergic to all NSAIDs and Acetaminophen so currently there's no meds suitable yet.
Will see the Pain Specialist on Monday and hope they can help me.
Just sharing.

Veteran Member

Date Joined Dec 2008
Total Posts : 2386
   Posted 7/27/2012 9:36 PM (GMT -6)   
the dizzy ness passed with me after a copule weeks

gabapentin is basically a pain killer for verves

OI dor, I so understand your allergies! I have the reverso ones.... salicylates (including asprin) , and seriously so many antibiotics. I have only 4 known antibiotics that I can take in the entire world. We rotate between the four just to keep my body not adjusting to become immune to it.

Oh, I've heard about Lyrica. If I believe its for fibro (coulda sworn I saw it on tv) maybe someone here takes it?
"The Walking Medical Mystery"

Too many Allergies / Too many RXs & DXs

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Veteran Member

Date Joined May 2012
Total Posts : 619
   Posted 7/27/2012 9:56 PM (GMT -6)   
I had started gabapentin at 300 mg 3/day which was quickly ramped up to 600 mg 3x/day. It drove my blood sugar up to about double what it had been (made my fasting sugar 215 up from 107) so I stopped taking it.
Chronic pain, Depression, Fibromyalgia, Tennis Elbow (both arms), Arthritis (knees and fingers), Diabetes. Ruptured disk L-4, Severe degenerative damage L5-S1, ACDF C5-C6

Regular Member

Date Joined Jan 2012
Total Posts : 76
   Posted 7/28/2012 4:08 AM (GMT -6)   
After being on Gabapentin for a month and since it don't seem to be workin.
Any ideas on anythin better than this?

Regular Member

Date Joined Mar 2011
Total Posts : 100
   Posted 7/29/2012 1:03 PM (GMT -6)   
I started with a low dose as well. I am now on 600 to 800 mg 3 x a day. Most days I take the 600 dosage. For me it benefits the allydonia.
Fibromyalgia, Anxiety Disorder, Sad, GAD, Degenerative disc disease, TMJ, ADD, Allydonia
Lexapro, Adderall, Nortryptiline, Melatonin, Ambium (as needed), Gabapentin (Neurontin), Tramadal (as needed),Traxadol, Vitamins B, CALCIUM, D, FISH OIL, MAGNESIUM, Malic Acid, Apple Cider Vinegar, TYLENOL, Probiotics, B complex.

"I have Fibro - Fibro doesn't have me"

Regular Member

Date Joined Jan 2012
Total Posts : 76
   Posted 7/30/2012 8:32 AM (GMT -6)   
Thank you so much for your replies.
Today the Pain doc rx Lyrica 75mg twice daily to replace the Gabapentin.  Hope it works for me.

Veteran Member

Date Joined Mar 2005
Total Posts : 1544
   Posted 3/8/2018 9:21 AM (GMT -6)   
I know this is a very old post, but I just want to say that I can't believe that docs think "the usual dose", is a one-size-fits-all. My internal med doc and I were talking about this patient's get put initially on high doses, and then have horrible side-effects, and give up. I hope now-a-days, more docs realize that it's wise to start out slowly, and go from there.
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