Some people have thoughts about suicide while taking this medicine. Stay alert to changes in your mood or symptoms. Report any new or worsening symptoms to your doctor.
Do not stop using Horizant suddenly, even if you feel fine.
Before taking this medicine
You should not use Horizant if you are allergic to gabapentin.
To make sure Horizant is safe for you, tell your doctor if you have ever had:
lung disease, such as chronic obstructive pulmonary disease (COPD);
kidney disease (or if you are on dialysis);
diabetes;
depression, a mood disorder, or suicidal thoughts or actions;
a seizure (unless you take gabapentin to treat seizures);
liver disease;
heart disease; or
(for patients with RLS) if you are a day sleeper or work a night shift.
Some people have thoughts about suicide while taking this medicine. Your doctor should check your progress at regular visits. Your family or other caregivers should also be alert to changes in your mood or symptoms.
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
Gabapentin enacarbil can pass into breast milk, but effects on the nursing baby are not known. Ask your doctor about any risk.
How should I take Horizant?
Take Horizant exactly as prescribed by your doctor. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Do not cut, crush, chew, or break an extended-release Horizant tablet. Swallow the tablet whole.
If your doctor changes your brand, strength, or type of gabapentin, your dosage needs may change. Ask your pharmacist if you have any questions about the new kind of gabapentin you receive at the pharmacy.
Do not stop using Horizant suddenly, even if you feel fine. Follow your doctor's instructions about tapering your dose.
This medicine can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using gabapentin enacarbil.
Store Horizant extended-release tablets at room temperature away from light and moisture.
