Consumer Information for: DOM-GABAPENTIN

Consumer Information

Information about the product including what the product is used for, dosage, warnings, proper use and side effects. This summary will not tell you everything about the product. Contact your healthcare professional if you have any questions about the product.


What the medication is used for

Dom-GABAPENTIN (gabapentin) belongs to the family of medicines called antiepileptic drugs and is used for treating epilepsy (seizures).

What it does

Dom-GABAPENTIN has been prescribed for you by your doctor to reduce your number of seizures.

When it should not be used

Do not use Dom-GABAPENTIN if you are allergic to it or any of the components in the formulation (see list of components under nonmedicinal ingredients). Stop taking the drug and contact your doctor immediately if you experience an allergic reaction or any severe or unusual side effects while taking the drug.

What the medicinal ingredient is

Gabapentin

What the non-medicinal ingredients are

Capsules: Corn Starch, Gelatin, Lactose, Red Iron Oxide (400 mg), Talc, Titanium Dioxide and Yellow Iron Oxide (300 mg and 400 mg).
Tablets: Copovidone, Magnesium Stearate, Microcrystalline Cellulose, Polyethylene Glycol, Polysorbate 80, Polyvinyl Alcohol, Sodium Starch Glycolate, and Talc.

What dosage form it comes in

Capsules: 100 mg, 300 mg or 400 mg
Tablets: 600 mg or 800 mg

Warnings and precautions

SBEFORE you use Dom-GABAPENTIN, tell your doctor or pharmacist:

  • Any health conditions or problems you may have, including kidney disease, breathing or lung problem.
  • If you are taking any other medicines (prescription and non-prescription).
  • If you have ever had an allergic reaction to medication, food, etc.
  • If you are pregnant or thinking about becoming pregnant.
  • If you are breast-feeding.
  • If you have a history of alcohol or drug abuse.
  • Your habits of alcohol consumption.
  • If you drive a vehicle or perform hazardous tasks during your work.
  • A small number of people being treated with anti-epileptics have had thoughts of harming or killing themselves. If at any time you have these thoughts when taking Dom-GABAPENTIN, contact your doctor immediately.

It is important for your doctor to have all of the above information before prescribing treatment and dosage.

Interactions with this medication

Tell your doctor if you start or stop taking opioids such as morphine or hydrocodone. Opioids may increase the levels of Dom-GABAPENTIN in your blood.

Tell your doctor immediately if you experience increased side effects such as drowsiness or slowed breathing while taking Dom-GABAPENTIN with an opioid or other sedatives and tranquilizers. The dose of these drugs or Dom-GABAPENTIN may need to be adjusted.

Avoid alcoholic drinks while taking Dom-GABAPENTIN.

Proper use of this medication

Usual Dose

  • It is very important that you take Dom-GABAPENTIN exactly as your doctor has instructed.
  • Dom-GABAPENTIN may be taken with or without food.
  • You should not increase or decrease the amount of Dom-GABAPENTIN you are taking unless your doctor tells you to.
  • Do not stop taking it abruptly because your seizures may increase.

Overdose

If you think you have taken too much Dom-GABAPENTIN, contact your healthcare professional, hospital emergency department or Regional Poison Control Centre immediately, even if there are no symptoms.

Signs of overdose may include: dizziness, drowsiness, unusually weak breathing, loss of consciousness.

Missed Dose

If you miss a dose, take it as soon as possible. However, if it is within 4 hours of your next dose do not take the missed dose and return to your regular dosing schedule. Do not allow more than 12 hours to go by between doses because your seizures may increase. If that happens, consult your doctor as soon as possible.

REMINDER: This medicine has been prescribed only for you. Do not give it to anybody else, as they may experience undesirable effects, which may be serious.

Side effects and what to do about them

This is not a complete list of side effects. For any unexpected effects while taking Dom-GABAPENTIN, contact your doctor or pharmacist.

Like all medications, Dom-GABAPENTIN can cause some side effects. You may not experience any of them. For most patients these side effects are likely to be minor and temporary. However, some may be serious. Some of these side effects may be dose related. Consult your doctor if you experience these or other side effects, as the dose may need to be adjusted.

  • Call your doctor immediately if your seizures get worse.
  • When you first begin taking Dom-GABAPENTIN you may experience some side effects such as agitation, drowsiness, dizziness, lack of muscle coordination, and fatigue. Consult your doctor if you experience any of these, as the dose may have to be adjusted.
  • If your epilepsy is not controlled, it is very important not to perform any potentially hazardous tasks, such as driving a car or operating dangerous machines. If your epilepsy is controlled, it is important to refrain from potentially dangerous tasks until you are sure this medication does not affect your mental alertness or physical coordination.
  • The following side effects have been reported when gabapentin is abruptly stopped: anxiety, sleeplessness, nausea, pain, and sweating.
SERIOUS SIDE EFFECTS, HOW OFTEN THEY HAPPEN AND WHAT TO DO ABOUT THEM
Symptom / effect Talk with your doctor or pharmacist only if severe Talk with your doctor or pharmacist in all cases Seek Emergency Medical Attention
Common
Edema: Swelling of legs, ankles or feet    
Uncommon
Severe allergic reactions: fever, rash, swollen lymph nodes, hives, sore mouth, sore eyes or swelling of lips, throat or tongue, difficulty breathing.    
Respiratory Depression: slow, shallow or weak breathing    
Heart palpitations    
Chest pains    
Seizures    
Hallucinations    
Unusual changes in mood    
Suicidal thoughts or hurting yourself    
Jaundice: ellowing of skin, dark urine    
Rhabdomyolysis: Unusual muscle movement or tone; unexplained muscle pain or tenderness or weakness, dark urine, nausea and/or vomiting    
Incontinence: inability to control urination    
Ringing or whistling in the ears    
Unknown
Sleeplessness    
Confusion    
Loss of consciousness    
Hyponatremia (low sodium in the blood): lethargy, confusion, muscular twitching or worsening of convulsions    
Hypoglycemia or Hyperglycemia    
Blood glucose fluctuations (for patients suffering from diabetes)    

This is not a complete list of side effects. If you have any unexpected effects while taking Dom-GABAPENTIN, contact your doctor or pharmacist.

How to store
  • Keep all medicines out of the reach and sight of children.
  • Store capsules and tablets between 15°C and 30°C.
  • Do not use this medicine after the expiry date, which is printed on the package label.
  • If your doctor tells you to stop taking Dom-GABAPENTIN, or if you find that they have passed their expiry data, please return any left over medicine to you pharmacist.
Reporting side effects

You can help improve the safe use of health products for Canadians by reporting serious and unexpected side effects to Health Canada. Your report may help to identify new side effects and change the product safety information.
3 ways to report:

  • Online at www.healthcanada.gc.ca/medeffect;
  • By calling 1-866-234-2345 (toll-free);
  • By completing a Consumer Side Effect Reporting Form and sending it by:
    • Fax to 1-866-678-6789 (toll-free), or
    • Mail to: Canada Vigilance Program
      Health Canada
      Postal Locator 1908C
      Ottawa, ON K1A 0K9
  • Postage paid labels, Canada Vigilance Reporting Form and the adverse reaction reporting guidelines are available on the MedEffectTM Canada Web site at www.healthcanada.gc.ca/medeffect.

NOTE: Contact your health professional if you need information about how to manage your side effects. The Canada Vigilance Program does not provide medical advice.

More information

This document plus the full product monograph, prepared for health professionals, can be obtained by contacting Dominion Pharmacal at 1-888-550-6060.

This leaflet was prepared by
Dominion Pharmacal
Montréal Québec
H4P 2T4



Last revised: August 11, 2017