Side Effects of Gabapentin: Explore Gabapentin Symptoms

Medical Providers:
Dr. Michael Vines, MD
Alex Spritzer, FNP, CARN-AP, PMHNP
Clinical Providers:
Natalie Foster, LPC-S, MS
Last Updated: January 1, 2026

Gabapentin is commonly prescribed, with more than 64 million prescriptions each year in the United States. While it effectively treats nerve pain and seizures, many patients experience side effects that can range from mild to severe.

Understanding the side effects of gabapentin is crucial for those who rely on this medication. Common symptoms include dizziness and fatigue, while more serious side effects may require immediate medical attention.

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What Are Gabapentin Common Side Effects?

Gabapentin’s a medication that’s often used to handle nerve pain and seizures, and honestly, it’s pretty well-tolerated by a lot of people. But like with any drug, it can bring on some side effects. Getting a handle on these common ones is important if you’re taking it, so you can manage your health better. From what we’ve seen in practice, these are the ones that show up most often.

icon depicting dizziness which is one of the side effects of addiction

Dizziness

Many patients report feeling lightheaded or unsteady while taking gabapentin.

icon depicting tiredness or feeling weak

Fatigue

Gabapentin can cause a significant sense of tiredness and lack of energy.

icon depicting drowsiness the side effects of addiction

Drowsiness

Feeling unusually sleepy or lethargic is a common side effect of this medication.

Bluish Skin Or Fingertips

Swelling in the hands and feet

Some patients experience edema, causing their extremities to swell.

Icon Impaired Coordination

Coordination problems

Gabapentin can affect motor skills, leading to clumsiness or difficulty with coordination.

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Blurred vision

Visual disturbances, such as blurred vision, are reported by some users.

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Dry mouth

A reduction in saliva production can lead to an uncomfortable dry mouth sensation.

heavy weight have slower metabolism

Weight gain

Some individuals may notice an increase in their weight while taking gabapentin.

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Tremors

Involuntary shaking or tremors can occur as a side effect of the medication.

icon showing vomiting which is a cause of drug abuse

Gastrointestinal issues such as nausea and diarrhea

Digestive problems, including nausea and diarrhea, are also common complaints.

How Long Do Gabapentin Side Effects Last?

Gabapentin side effects can stick around from a few days to several weeks, really depending on the person and how much they’re taking. Some, like dizziness or drowsiness, might ease up as your body gets used to the medication. But if they hang on or get worse, you have to talk to your doctor about it. What does this mean for you? It means monitoring how you feel and not ignoring persistent issues.

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Gabapentin helps with conditions like nerve pain and seizures, but it doesn’t come without a range of symptoms. We’ve noticed in many cases that these can vary quite a bit from one person to another.

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You might get frequent or pretty severe headaches, which can throw off your daily routine and how you feel overall.

photo of woman experiencing anxiety

Some people feel more anxious or nervous while on it, it’s not rare.

woman with eyes closed touching her forehead

Difficulty remembering things or concentrating can crop up, affecting how you think day to day.

Gabapentin could ramp up your hunger, changing how you eat.

Speech might get slurred or slower for some.

Seeing double can interfere with anything that needs clear sight

prozac withdrawal

A bump in body temperature or actual fever happens to a few individuals.

You may develop itching or a rash on different parts of your body.

Body Pain

Muscle aches or cramps can affect how you move and stay comfortable.

Respiratory Issues

Breathing might get tougher, or you could feel short of breath sometimes.

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What Are the Short Term Side Effects of Gabapentin?

Gabapentin works well for nerve pain and seizures, but as your body adjusts, it can cause several short-term side effects. Knowing about them ahead of time can help you deal with them better from experience, that’s often the case.

  • Dizziness: Many start feeling dizzy right after beginning gabapentin.
  • Fatigue: Feeling unusually tired or wiped out is common early on.
  • Drowsiness: It can make you really drowsy, impacting how alert you are.
  • Nausea: Some get that queasy feeling when they first take it.
  • Headache: Headaches might pop up while your body’s adapting.
  • Blurred vision: Vision can get temporarily fuzzy.
  • Dry mouth: That dry sensation in your mouth from less saliva.
  • Coordination problems: Balance and coordination often take a hit.
  • Swelling in the hands and feet: Extremities might swell for some.
  • Tremors: Shakes or tremors as a short-term thing.

What Are the Long Term Side Effects of Gabapentin?

While gabapentin’s great for managing conditions over the long haul, using it extended periods can lead to side effects that stick around or build up. Understanding these is crucial for keeping your health in check.

  • Weight gain: Long-term use often results in noticeable weight increase.
  • Memory issues: Problems with memory and focus can develop over time.
  • Depression: There’s a link to higher chances of depression with prolonged use.
  • Muscle weakness: You might feel ongoing weakness and fatigue in muscles.
  • Sexual dysfunction: Issues like lower libido can come up.
  • Peripheral edema: Swelling in hands and feet that doesn’t go away.
  • Coordination problems: Balance issues that persist.
  • Gastrointestinal issues: Chronic stuff like constipation or diarrhea.
  • Respiratory issues: In rarer cases, it affects breathing long-term.
  • Dependency: Extended use can lead to physical dependency, which means withdrawal could be tough.

Reviews from places like Drugs.com and MedlinePlus point out these long-term risks, including vision changes and dependency concerns. So what’s the difference between short and long term? Short ones usually fade, but long ones might need adjustments to your treatment. For support with dependency or misuse, The Hope House’s gabapentin addiction treatment offers specialized care.

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Gabapentin Side Effects in Men

Gabapentin can hit men with side effects that might differ from what women experience. Getting a sense of these gender-specific ones can make managing the medication way easier.

  • Erectile dysfunction: This can be a real issue for some men.
  • Reduced libido: Desire might drop off.
  • Weight gain: Often shows up.
  • Drowsiness: Makes you sleepy.
  • Dizziness: Unsteadiness is common.
  • Coordination problems: Clumsiness follows.
  • Fatigue: Tiredness lingers.
  • Gastrointestinal issues (nausea, diarrhea): Digestive woes.
  • Depression: Mood can dip.
  • Memory problems: Concentration suffers.

Gabapentin Side Effects in Women

For women, gabapentin’s side effects can play out differently too. Recognizing them helps in handling health during treatment – we’ve seen that make a big difference.

  • Weight gain: A frequent one.
  • Menstrual irregularities: Cycles might get off track.
  • Drowsiness: Sleepiness hits hard.
  • Dizziness: Lightheaded feelings.
  • Coordination problems: Balance issues.
  • Fatigue: Energy drains.
  • Dry mouth: That parched sensation.
  • Gastrointestinal issues (nausea, diarrhea): Stomach troubles.
  • Depression: Emotional lows.
  • Memory problems: Forgetfulness creeps in.

Sources like PMC articles note potential differences, though not always stark, including things like myopathy or sexual effects.

Need guidance on Gabapentin use? Consult with our specialists now.

If you’re dealing with gabapentin addiction or some serious side effects, reaching out to addiction treatment pros can really help. The Hope House, a top recovery center in Scottsdale, Arizona, is dedicated to supporting people through overcoming addiction. They provide personalized plans, including dual diagnosis programs, to guide the recovery journey. For solid assistance on getting to a healthier spot, talking to healthcare experts is a smart move. Here’s why this matters: it can prevent things from getting worse and offer practical steps forward.

Sometimes, adjusting the dose or switching meds under a doctor’s watch can ease side effects. Other times, therapy or support groups make a difference. What usually happens is that with the right help, people get back on track. For severe dependency,
inpatient drug detox is often a critical first step.

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