Description

Overview

Gabapentin is a prescription medication used to manage nerve pain, seizure disorders, and restless legs syndrome (RLS). It is an anticonvulsant with strong efficacy in neuropathic pain conditions, where nerves are damaged or overly sensitive. Gabapentin is sold under the brand name Neurontin and comes in multiple strengths (100mg, 300mg, 600mg, 800mg) and forms, including capsules, tablets, and liquid.

Uses

Gabapentin is FDA-approved for:

• Partial seizures (adjunct treatment for adults and children 3+)
• Postherpetic neuralgia (pain after shingles)
• Restless Legs Syndrome (RLS) – extended-release forms

Common off-label uses include:

• Diabetic neuropathy
• Fibromyalgia
• Sciatica and chronic back pain
• Migraine prevention
• Anxiety disorders
• Hot flashes during menopause or post-cancer treatment

How It Works

Gabapentin affects calcium channels in the nervous system, reducing overactive nerve signals. Although it does not act directly on GABA receptors, it has a calming effect on nerve activity, which helps control seizures and relieve neuropathic pain.

Dosage & Administration

• Nerve pain: Start with 300mg once daily, increase to 300mg 3 times/day
• Seizures: 300mg Day 1 → 300mg twice/day Day 2 → 300mg 3 times/day Day 3
• Maximum dose: Up to 3,600mg/day, usually split into three doses

Key guidelines:

• Take with or without food
• Maintain consistent dosing times
• Do not stop suddenly to avoid withdrawal or seizure risk

Common Side Effects

• Drowsiness or fatigue
• Dizziness or lightheadedness
• Peripheral edema (swelling)
• Weight gain
• Tremors or coordination issues
• Blurred vision

Side effects often improve over time; report persistent or severe effects to your doctor.

Serious Risks & Warnings

• Mood changes, depression, suicidal thoughts
• Breathing problems, especially with opioids or alcohol
• Severe allergic reactions (face or throat swelling)
• Withdrawal symptoms if discontinued abruptly

Seek immediate medical attention for severe reactions.

Precautions & Interactions

Before use, inform your doctor if you have:

• Kidney disease (Gabapentin is cleared renally)
• History of substance misuse
• Breathing disorders (e.g., COPD)
• Mental health conditions (depression, bipolar disorder)

Drug interactions:

• Opioids – increased sedation and breathing risk
• Antacids – separate dosing by at least 2 hours
• Alcohol – increases drowsiness and overdose risk

Addiction and Safe Use

Gabapentin is generally not a controlled substance, but misuse is possible, particularly with other drugs. Always use as prescribed and never share medication.

Conclusion

Gabapentin is a versatile medication for nerve pain, seizures, and additional off-label uses like anxiety or fibromyalgia. With careful dosing and medical supervision, it can significantly improve quality of life for individuals with chronic pain or neurological conditions.

Delivery options

Click & Collect

£1.50 or free if you spend £15 or more from your choice of 1,800 stores.

Standard Delivery

£3.95 or free when you spend £25 or more.

Next Day Delivery

Order by 10pm (subject to change during promotions), available 7 days a week for £5.95. This may not be available during public holidays or weekends in between public holidays. To be eligible for Next Day Delivery, Pharmacy Medicines must be ordered by 8pm.

Airport Click & Collect

£4.50 - Select a delivery date 3 days before your flight.

Named Day Delivery

£5.75 - choose a weekday within the next 14 days for delivery. Subject to availability.

For more information see our delivery help or view our returns policy.