Gabapentin (Neurontin, Gralise, Horizant) is a medicine used to help manage certain epileptic seizures. It also is used to relieve pain for some conditions, such as shingles. Dizziness and drowsiness are common side effects of gabapentin. Some other possible side effects include weight gain and Weight gain is not considered a common side effect of gabapentin. In clinical trials, only about 2% of people reported weight gain with its use. In people who do gain weight while on gabapentin, a research study showed a weight gain of about 5.5 pounds after 1.5 months of use. Gabapentin may cause weight gain, but it is an uncommon side effect. Studies have shown that a small number of people taking gabapentin, a drug used to treat epilepsy and postherpetic neuralgia, experienced weight gain. People who do gain weight may gain about 5 pounds after 6 weeks of use. See what Gabapentin users say about weight gain. Out of 2584 reviews, 99 (3.8%) mention weight gain. Read firsthand experiences. Abstract The authors reviewed changes in body weight in 44 patients treated with Gabapentin (GPN) for a period of 12 or more months. All patients had a seizure disorder and the dose of GPN was increased aiming at complete seizure control or until side effects limited further increase. Twenty-eight patients were receiving GPN dosages of > 3000 mg/day. Observed changes in body weight were as See what Gabapentin users say about weight gain. Out of 2584 reviews, 99 (3.8%) mention weight gain. Read firsthand experiences. Gabapentin (Neurontin, Gralise, Horizant) is a medicine used to help manage certain epileptic seizures. It also is used to relieve pain for some conditions, such as shingles. Dizziness and drowsiness are common side effects of gabapentin. Some other possible side effects include weight gain and trouble with movement. NHS medicines information on side effects of gabapentin and what you can do to cope. Although it’s uncommon, edema from gabapentin may lead to weight gain. If you experience edema or weight gain while taking gabapentin, let your prescriber know, but don’t stop taking the medication until you speak with them. It is advisable to avoid activities that require alertness until you know how gabapentin affects you. In addition to the aforementioned side effects, gabapentin can also cause dry mouth, constipation, weight gain, and blurred vision. Learn about the side effects of Horizant (gabapentin enacarbil), from common to rare, for consumers and healthcare professionals. To avoid weight gain from gabapentin, make sure you’re taking the dose your prescriber recommends. Taking higher doses of gabapentin increases your risk of weight gain and severe side effects like extreme drowsiness. Gabapentin is thought to cause weight gain by increasing patients’ appetites and causing fatigue that reduces their physical activity. It can also cause water retention, with swelling (edema) of the hands, arms, feet, and legs, which may contribute to weight gain. Gabapentin can help control seizures as well as nerve pain from shingles. It may sometimes cause side effects, especially if you misuse it. Learn more. Gabapentin is available as: Gabapentin tablets. It’s available as 300- and 600-milligram tablets (Gralise) and 600- and 800-milligram tablets (Neurontin or generic gabapentin). Gabapentin oral solution. The oral solution contains 250 millgrams of gabapentin per 5 milliliter (50 mg per mL) Neurontin or generic gabapentin. Gabapentin capsules. Depending on your response to gabapentin, your prescriber may slowly increase your dosage to 600 mg 3 times a day (for a total of 1,800 mg per day). The maximum dosage of gabapentin is 3,600 mg per day. However, doses greater than 1,800 mg per day haven’t been shown to be more effective than lower doses. This piece looks at how Gabapentin and weight gain are connected. You'll learn about why these changes might happen and what you can do about them. We'll get into the scientific evidence, risk factors, and practical ways to maintain a healthy weight while taking this medication. Does Gabapentin (neurontin) cause weight gain? Weight gain as a side effect of gabapentin isn't commonly talked about, but it does happen - especially when taking higher doses. Learn what you can do here. Research has shown that gabapentin can cause changes in weight, particularly weight gain, in some individuals. This is attributed to increased hunger and appetite, leading to consuming more calories. Weight gain can occur for several reasons when taking gabapentin. It can stimulate appetite, slow metabolism, or cause fluid retention. Recognizing these factors helps in devising a plan to combat unwanted pounds. It’s essential to take a proactive approach to manage weight while on this medication.
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