International Drug Mart

Horizant vs Gabapentin

Horizant vs Gabapentin
Horizant
Gabapentin

Class

Prodrug of gabapentin
Anticonvulsant, neuropathic pain agent

FDA Approved Uses

Moderate-to-severe restless legs syndrome (RLS) - Postherpetic neuralgia (in adults)
Postherpetic neuralgia - Epilepsy (adjunctive therapy) - Neuropathic pain associated with diabetic peripheral neuropathy

Formulation

Extended-release tablets
Capsules, tablets, oral solution

Dosage Forms

600 mg
100 mg, 300 mg, 400 mg, 600 mg, 800 mg

Mechanism of Action

Prodrug that is converted to gabapentin, which binds to the ?2? subunit of voltage-gated calcium channels
Similar to Horizant; directly binds to the ?2? subunit of voltage-gated calcium channels

Side Effects

Dizziness - Somnolence - Headache - Nausea - Fatigue - Insomnia
Dizziness - Somnolence - Headache - Fatigue - Nausea - Insomnia

Administration

Once or twice daily depending on the indication
Three times a day or as prescribed

Absorption/Bioavailability

Improved bioavailability due to extended-release formulation
Variable, 27-60% (decreases with increasing dose)

Drug Interactions

Antacids containing aluminum or magnesium - Alcohol can increase the risk of CNS depression
Antacids containing aluminum or magnesium - Alcohol can increase the risk of CNS depression - Other CNS depressants

Cost

Generally more expensive due to brand status
Less expensive, available as generic

Special Considerations

Not recommended for patients who need to sleep during the daytime, as it could impair their ability to operate machinery or perform hazardous tasks - Should not be used in patients who require sleep during the daytime
Dose needs adjustment in renal impairment - Withdrawal should be gradual to avoid adverse effects
Coupon
Coupon Code
IDMBLG30
Use This Coupon To Buy
Coupon Code
IDMBLG30
Use This Coupon To Buy

Frequently Asked Questions

How much gabapentin is in Horizant?

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Horizant contains gabapentin enacarbil, a prodrug of gabapentin. Each 600 mg tablet of Horizant, once metabolized, is equivalent to about 600 mg of gabapentin. This formulation allows for an extended-release, providing a controlled conversion to gabapentin in the body.

Can Horizant cause weight gain?

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Weight gain is not commonly reported as a side effect of Horizant. However, like its counterpart gabapentin, individual responses can vary. If you\'re experiencing unusual weight changes while taking Horizant, consult your healthcare provider for personalized advice.

How does Horizant make you feel?

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Horizant can help alleviate symptoms of RLS and nerve pain, making you feel more comfortable and less distressed by these conditions. However, it may cause side effects such as dizziness and drowsiness, which could affect your overall feeling of alertness and well-being.

Is gabapentin good for anxiety?

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Gabapentin is often prescribed off-label for anxiety due to its calming effect on the nervous system. It is particularly noted for easing anxiety that accompanies other conditions like bipolar disorder or epilepsy. Consult with a healthcare professional to determine if it\'s suitable for your specific anxiety symptoms.

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