Horizant
FDA Approves Horizant for Post-Shingles Pain »
"June 8, 2012 -- The FDA has approved a drug currently used for restless leg syndrome to treat a common and painful complication of shingles, according to the medication's manufacturers.
Horizant (gabapentin enacarbil) has been approve"...
Read the FDA Approves Horizant for Post-Shingles Pain article »
Horizant
HORIZANT
(gabapentin enacarbil) Extended-Release Tablets
DRUG DESCRIPTION
HORIZANT (gabapentin enacarbil) is a prodrug of gabapentin. Gabapentin enacarbil is described as (1-{[({(1RS)-1-[(2-Methylpropanoyl)oxy]ethoxy}carbonyl)amino]methyl} cyclohexyl) acetic acid. It has a molecular formula of C16H27NO6 and a molecular weight of 329.39. It is a racemate and has the following structural formula:
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Gabapentin enacarbil is a white to off-white crystalline solid with a melting onset of approximately 64°C and a solubility of 0.5 mg/mL in water and 10.2 mg/mL in phosphate buffer (pH 6.3).
HORIZANT is administered orally. Each HORIZANT Extended-Release Tablet contains 300 mg or 600 mg of gabapentin enacarbil and the following inactive ingredients: colloidal silicon dioxide, dibasic calcium phosphate dihydrate, glyceryl behenate, magnesium stearate, sodium lauryl sulfate, and talc. The 300 mg tablets also contain red ferric oxide.
What are the possible side effects of gabapentin (Gralise, Horizant, Neurontin)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; fever; swollen glands; painful sores in or around your eyes or mouth; difficulty breathing; swelling of your face, lips, tongue, or throat.
Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, depression, or if you feel agitated, hostile, restless, hyperactive (mentally or physically), or have thoughts about suicide or hurting yourself.
Call your doctor at once if you have a serious side effect such...
Read All Potential Side Effects and See Pictures of Horizant »
What are the precautions when taking gabapentin enacarbil extended-release tablets (Horizant)?
Before taking gabapentin enacarbil, tell your doctor or pharmacist if you are allergic to it; or to gabapentin; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, mental/mood problems (such as depression, thoughts of suicide).
This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.
Before having surgery, tell your doctor or dentist about all the...
Last reviewed on RxList: 6/14/2012
This monograph has been modified to include the generic and brand name in many instances.
Additional Horizant Information
Horizant - User Reviews
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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