Gabapentin® Capsules for Neuropathic Pain

Gabapentin is a prescription anticonvulsant for nerve pain and partial-onset seizures. This page explains how it works, key safety points, and ways to order with US delivery from Canada. It also outlines payment options for those paying without insurance.

What Gabapentin Is and How It Works

Gabapentin® is an oral therapy in the anticonvulsant class. It binds to the alpha-2-delta subunit of voltage-gated calcium channels in the central nervous system. This action can reduce excitatory neurotransmitter release, which may help ease neuropathic pain and support seizure control.

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This medicine is available as immediate-release capsules, tablets, and an oral solution. It is not an opioid or a benzodiazepine, but it can cause drowsiness and dizziness.

Who It’s For

This treatment is used for nerve pain after shingles, also called Postherpetic Neuralgia. It is also used as adjunctive therapy for partial-onset seizures in adults and children. For broader nerve pain topics, see Neuropathic Pain. Seizure-focused products and guides are listed under Seizures.

Avoid use if you have a known hypersensitivity to any component. A prescriber may adjust plans in kidney impairment, older age, or if you have breathing problems or sleep apnea. Discuss pregnancy, plans to become pregnant, or breastfeeding with a healthcare professional.

Dosage and Usage

Follow your clinician’s directions and the official label. Swallow capsules whole with water. You may take doses with or without food. Some regimens begin with a gabapentin 300 mg oral capsule on the first day, then increase gradually as directed. Do not stop suddenly; a taper may be needed to reduce withdrawal risk and seizure recurrence.

If you use antacids that contain aluminum or magnesium, the label advises separating administration by time. For seizure management strategies, complementary reading includes Epilepsy And The Ketogenic Diet.

Strengths and Forms

Patients previously treated with 300mg Neurontin may be switched to an equivalent generic when appropriate and as directed.

• Capsules: 100 mg, 300 mg, 400 mg
• Tablets: 600 mg, 800 mg
• Oral solution: 250 mg per 5 mL

Availability can vary by manufacturer and dispensing pharmacy.

Missed Dose and Timing

If you miss a dose, take it when remembered unless it is close to the next scheduled time. If it is almost time for the next dose, skip the missed dose. Do not double up. Try to keep consistent spacing across the day for steady effects.

Storage and Travel Basics

Store capsules at room temperature in a dry place, away from excess heat and moisture. Keep medicines in the original, child-resistant container with the label intact. For travel, pack doses in carry-on luggage with a copy of your prescription. Avoid storing medicines in a hot car or a bathroom. Keep out of reach of children and pets.

Benefits

This therapy can help reduce nerve pain symptoms and improve function in daily tasks. As adjunctive therapy, it may aid seizure control when used with other antiepileptic drugs. Flexible strengths support gradual titration based on clinical goals. Widely available generics can improve affordability compared with some branded options.

Side Effects and Safety

• Dizziness or drowsiness
• Fatigue or weakness
• Coordination problems
• Peripheral swelling
• Nausea or upset stomach
• Vision changes such as nystagmus
• Tremor

Serious risks are uncommon but can include allergic reactions, mood or behavior changes including suicidal thoughts, and breathing problems when combined with central nervous system depressants or in respiratory impairment. Seek urgent care for facial swelling, rash, severe dizziness, or trouble breathing. Report new or worsening mood symptoms promptly.

Drug Interactions and Cautions

CNS depressants such as opioids, benzodiazepines, certain sleep medicines, and alcohol can increase drowsiness and breathing risks. Some antacids containing aluminum or magnesium can reduce absorption; the label recommends separating the doses by time. People taking Neurontin 300 mg capsules or the generic should use caution with activities needing alertness until they know how they respond.

Kidney impairment can affect exposure; prescribers may adjust plans accordingly. Tell your healthcare professional about all prescription drugs, OTC products, and supplements you take.

What to Expect Over Time

Drowsiness or dizziness may appear early and can lessen as your body adjusts. For nerve pain, effects develop gradually with consistent dosing. For seizure support, adherence is important to maintain steady levels. Keep follow-up appointments so your prescriber can review response and tolerability, and adjust plans if needed.

Compare With Alternatives

Pregabalin, the active in Lyrica®, is another calcium-channel modulator used for neuropathic pain and seizures. Some patients may be candidates for an SNRI such as Duloxetine for certain nerve pain conditions. The most suitable option depends on diagnosis, comorbidities, and prior therapy; discuss choices with a prescriber.

Pricing and Access

Check current gabapentin 300 mg price and compare options for your dose and quantity. Pricing reflects Canadian supply, and the product Ships from Canada to US for eligible addresses. Cash-pay, insurance, and reimbursement arrangements vary by plan and pharmacy. For those tracking brand alternatives, Neurontin 300 mg price information can help benchmark out-of-pocket costs.

Transparent pricing pages show strengths and pack sizes before checkout. You can review totals before placing an order. Our encrypted checkout supports secure payment.

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Availability and Substitutions

Supply can vary by manufacturer. If a strength is unavailable, a prescriber may recommend a suitable alternative dose form or therapy. When appropriate, generic gabapentin 300 mg can substitute for branded versions if your prescription permits it.

Patient Suitability and Cost-Saving Tips

People who may benefit include adults with postherpetic neuralgia and those requiring adjunctive therapy for partial-onset seizures. Use caution in older adults, those with kidney problems, and patients with respiratory risk. Patients with a history of substance misuse should discuss safety with a clinician. Some conditions treated off-label, such as restless legs, require individualized decisions; see Restless Legs Syndrome for background.

Consider multi-month fills when appropriate to reduce per-fill fees. Set reminder alerts to support adherence. Keep one refill in reserve if allowed by your prescriber and plan. For nerve pain education, see Diabetic Neuropathy Treatment.

Questions to Ask Your Clinician

• Which indication are you treating and what outcomes should I track?
• How should I titrate, and when should I stop increasing doses?
• What signs mean I should contact the office right away?
• Can I take this with my current antacids or pain medicines?
• What activities should I avoid until I know my response?
• How long should I continue therapy before reassessment?
• Are tablets or the oral solution better for my situation?

Authoritative Sources

DailyMed Gabapentin Capsules

Health Canada DPD

Pfizer Neurontin Label

Ready to order? Complete checkout for capsules with express US shipping from Canada; temperature-controlled handling when required. This information is educational and not a substitute for medical advice.