Find out the usual and maximum doses of gabapentin for adults and children with different conditions, such as epilepsy, postherpetic neuralgia, and restless legs syndrome. Learn how to adjust the dose based on renal function and liver status. During the controlled epilepsy trials in patients older than 12 years of age receiving doses of gabapentin up to 1,800 mg daily, somnolence, dizziness, and ataxia were reported at a greater rate in patients receiving gabapentin compared to placebo: i.e., 19% in drug versus 9% in placebo for somnolence, 17% in drug versus 7% in placebo for For oral dosage forms (capsules, liquid, and tablets): For epilepsy: Adults and children 12 years of age and older—At first, 300 milligrams (mg) 3 times per day. Your doctor may adjust your dose as needed and tolerated. However, the dose is usually not more than 1800 mg per day (600 mg 3 times per day). Initial dose: 300 mg on day one, 300 mg twice daily on day two, and 300 mg three times daily on day three. Maintenance dose: 900-1800 mg per day, divided into three doses. Treatment is typically long-term. Initial dose: 300 mg once daily, with gradual increases as needed. Maintenance dose: 900-3600 mg per day, divided into three doses. Effective Dose: Reached by upward titration over a period of approximately 3 days; the effective dose in patients 5 years of age and older is 25 to 35 mg/kg/day in divided doses (3 times a day). The effective dose in pediatric patients ages 3 and 4 years is 40 mg/kg/day and given in divided doses (3 times a day). Gabapentin capsules are usually taken orally three times a day (morning, afternoon, and evening) with plenty of water, with or without food. Gabapentin is available in 100 mg, 300 mg, and 400 mg capsules, and in 600 mg and 800 mg tablets. For healthcare professionals. Applies to gabapentin: compounding powder, oral capsule, oral solution, oral tablet, oral tablet extended release. General adverse events. The most common adverse reactions associated with the use of this drug were dizziness, somnolence, and peripheral edema. Gabapentin is available as Gralise, Neurontin, and generic gabapentin in the following dosage forms that are taken by mouth. How should I store gabapentin? Oral Tablet and Oral Capsule. Gabapentin During the controlled epilepsy trials in patients older than 12 years of age receiving doses of gabapentin up to 1800 mg daily, somnolence, dizziness, and ataxia were reported at a greater rate in patients receiving gabapentin compared to placebo: i.e., 19% in drug versus 9% in placebo for somnolence, 17% in drug versus 7% in placebo for Gabapentin for dogs is commonly prescribed for pain, anxiety, or seizures. It's generally safe, but there are some known side effects to be aware of. A 2023 analysis from Brigham and Women’s Hospital in Boston. which evaluated the cost efficacy of gabapentin in treating OA, reported that gabapentin was only "modesty effective" and that the benefits of treatment largely outweighed the high rate of side effects. Elimination Gabapentin is eliminated from the systemic circulation by renal excretion as unchanged drug. Gabapentin is not appreciably metabolized in humans. Gabapentin elimination half-life is 5 to 7 hours and is unaltered by dose or following multiple dosing. During the controlled epilepsy trials in patients older than 12 years of age receiving doses of gabapentin up to 1800 mg daily, somnolence, dizziness, and ataxia were reported at a greater rate in patients receiving gabapentin compared to placebo: i.e., 19% in drug versus 9% in placebo for somnolence, 17% in drug versus 7% in placebo for For adults, your gabapentin dosage varies depending on your medical conditions and which form you’re taking. The maximum dosage is 3,600 mg per day. For children, the dosage is based on age and body weight. Gabapentin is available as a lower-cost generic. But certain products are brand-only. Like all medications, gabapentin can cause side effects, both common and rare. Typically mild, but more common gabapentin side effects include: Tiredness. Dizziness. Tremors. Nystagmus (rapid eye movements you can’t control) Fluid buildup. Weight gain. Rare, but potentially serious side effects of gabapentin include: Depression The usual dose to treat nerve pain in adults is 900mg to 3,600mg a day, split into 3 doses. Changes to your dose. To prevent side effects, your doctor will prescribe a low dose to start with and then increase it over a few days. Once you find a dose that suits you, it will usually stay the same. How to take it Adults, normal: 5 to 7 hours; increased half-life with decreased renal function; anuric adult patients: 132 hours; adults during hemodialysis: 3.8 hours. <3% In CrCl <30 mL/minute, half-life is approximately 52 hours (immediate release). Side Effects Common side effects of gabapentin. Gabapentin can cause several common side effects, including dizziness, drowsiness, and fatigue. Other commonly reported side effects include headache, nausea, and blurred vision. These side effects are usually mild and tend to improve over time as the body adjusts to the medication. Dosage Forms: Gabapentin for humans is available in various forms, including capsules, tablets, extended-release tablets, and oral solutions (liquids). For pets, you will also find capsules and sometimes compounded flavored liquids or small tablets formulated specifically for animals. What dosage strengths and forms does gabapentin come in? 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.
Articles and news, personal stories, interviews with experts.
Photos from events, contest for the best costume, videos from master classes.
![]() | ![]() |
![]() | ![]() |
![]() | |
![]() | ![]() |
![]() | ![]() |
![]() | ![]() |