Gabapentin Wockhardt 400mg Hard Capsules
PACKAGE LEAFLET: INFORMATION FOR THE USER
(Referred to as Gabapentin Capsules in the remainder of the leaflet)
Read all of this leaflet carefully before you
start taking this medicine because it
contains important information for you.
• Keep this leaflet. You may need to read it again.
• If you have any further questions, ask your doctor or pharmacist.
• This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their signs of illness are the same as yours.
• If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.
What is in this leaflet
1. What Gabapentin Capsules are and what they are used for
2. What you need to know before you take Gabapentin Capsules
3. How to take Gabapentin Capsules
4. Possible side effects
5. How to store Gabapentin Capsules
6. Contents of the pack and other information
Gabapentin Capsules belong to a group of medicines used to treat epilepsy and peripheral neuropathic pain.
Epilepsy: Gabapentin Capsules are used to treat various forms of epilepsy (seizures that are initially limited to certain parts of the brain, whether the seizure spreads to other parts of the brain or not). Your doctor will prescribe Gabapentin Capsules for you to help treat your epilepsy when your current treatment is not fully controlling your condition. You should take Gabapentin Capsules in addition to your current treatment unless told otherwise.
Gabapentin Capsules can also be used on its own to treat adults and children over 12 years of age.
Peripheral neuropathic pain: Gabapentin Capsules are used to treat long-lasting pain caused by damage to the nerves. A variety of different diseases can cause peripheral (primarily occurring in the legs and/or arms) neuropathic pain, such as diabetes or shingles. Pain sensations may be described as: hot, burning, throbbing, shooting, stabbing, sharp, cramping, aching, tingling, numbness, pins and needles etc.
• if you are allergic (hypersensitive) to gabapentin or any of the other ingredients of this medicine (listed in section 6).
Important information about potentially serious reactions
A small number of people taking Gabapentin Capsules get an allergic reaction or potentially serious skin reaction, which may develop into more serious problems if they are not treated. You need to know these symptoms to look out for while you are taking Gabapentin Capsules.
Read the description of these symptoms in section 4 of this leaflet under 'Contact your doctor immediately if you experience any of the following symptoms after taking this medicine as they can be serious'.
Warnings and precautions
Talk to your doctor or pharmacist before taking Gabapentin Capsules
• if you suffer from kidney problems
• if you develop signs such as persistent stomach pain, feeling sick and being sick contact your doctor immediately
• a small number of people being treated with anti-epileptics such as gabapentin have had thoughts of harming or killing themselves. If at any time you have these thoughts, immediately contact your doctor.
Cases of abuse and dependence have been reported for gabapentin from the post-marketing experience. Talk to your doctor if you have a history of abuse or dependence.
Other medicines and Gabapentin Capsules
Please tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines obtained without a prescription.
If you are taking any medicines containing morphine, please tell your doctor or pharmacist as morphine may increase the effect of Gabapentin Capsules. In addition, combination of Gabapentin with opioids may cause symptoms like sleepiness and/or decrease in breathing.
Gabapentin Capsules are not expected to interact with other antiepileptic drugs or the oral contraceptive pill.
Gabapentin Capsules may interfere with some laboratory tests, if you require a urine test tell your doctor or hospital that you are taking Gabapentin Capsules.
Excretion of Gabapentin Capsules are not affected by probenecid.
If Gabapentin Capsules and antacids containing
aluminium and magnesium are taken at the same time, absorption of Gabapentin Capsules from the stomach may be reduced. It is therefore recommended that Gabapentin Capsules are taken at the earliest two hours after taking an antacid.
Gabapentin Capsules with food and drink
Gabapentin Capsules can be taken with or without food.
Pregnancy, breast-feeding and fertility
Ask your doctor or pharmacist for advice before taking any medicine. Gabapentin Capsules should not be taken during pregnancy, unless you are told otherwise by your doctor.
Effective contraception must be used by women of child-bearing potential.
There have been no studies specifically looking at the use of gabapentin in pregnant women, but other medications used to treat seizures have reported an increased risk of harm to the foetus, particularly when more than one seizure medication is taken at the same time.
Therefore, whenever possible and only under the advice of your doctor, you should try to take only one seizure medication during pregnancy.
Do not suddenly discontinue taking this medicine as this may lead to breakthrough seizure, which could have serious consequences for you and your baby.
Contact your doctor immediately if you become pregnant, think you might be pregnant or are planning to become pregnant while taking Gabapentin Capsules.
Gabapentin, the active substance of Gabapentin Capsules, is excreted in human milk.
Because the effect on the nursing infant is unknown, it is not recommended to breast-feed your baby while using Gabapentin Capsules.
There is no effect on fertility in animal studies. Driving and using machines
Gabapentin Capsules may produce dizziness, drowsiness and tiredness. You should not drive, operate complex machinery or engage in other potentially hazardous activities until you know whether this medication affects your ability to perform these activities.
Gabapentin Capsules contain lactose.
If you have been told by your doctor that you have an intolerance to some sugars. Contact your doctor before taking this medicinal product.
Always take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you are not sure. Your doctor will determine what dose is appropriate for you.
If you have the impression that the effect of Gabapentin Capsules is too strong or too weak, talk to your doctor or pharmacist.
If you are an elderly patient (over 65 years of age), you should take Gabapentin Capsules normally except if you have problems with your kidneys.
Your doctor may prescribe a different dosing schedule and/or dose if you have problems with your kidneys.
Always swallow the capsules whole with plenty of water.
Continue taking Gabapentin Capsules until your doctor tells you to stop.
• Peripheral Neuropathic Pain:
Take the number of capsules as instructed by your doctor. Your doctor will usually build up your dose gradually. The starting dose will generally be between 300 mg and 900 mg each day. Thereafter, the dose may be increased stepwise up to a maximum of 3600 mg each day and your doctor will tell you to take this in 3 divided doses, i.e. once in the morning, once in the afternoon and once in the evening.
Adults and adolescents:
Take the number of capsules as instructed.
Your doctor will usually build up your dose gradually. The starting dose will generally be between 300 mg and 900 mg each day. Thereafter, the dose may be increased stepwise up to a maximum of 3600 mg each day and your doctor will tell you to take this in 3 divided doses, i.e. once in the morning, once in the afternoon and once in the evening.
Children aged 6 years and above:
The dose to be given to your child will be decided by your doctor as it is calculated against your child's weight. The treatment is started with a low initial dose which is gradually increased over a period of approximately 3 days. The usual dose to control epilepsy is 25-35 mg/kg/day. It is usually given in 3 divided doses, by taking the capsule(s) each day, usually once in the morning, once in the afternoon and once in the evening.
Gabapentin Capsules are not recommended for use in children below 6 years of age.
If you or someone else accidentally takes too many capsules or if you think a child has swallowed any, contact your doctor or go to the nearest hospital casualty department immediately. Take along any capsules that are left, the container and the label so that the hospital can easily tell what medicine you have taken. As Gabapentin capsules may make you drowsy, it is recommended that you ask someone else to drive you to the doctor or hospital or that you call an ambulance. Symptoms of an overdose are dizziness, double 2-,-^ vision, slurred speech, loss of consciousness, drowsiness and mild diarrhoea.
If you forget to take Gabapentin Capsules
If you forget to take a dose, take it as soon as you remember unless it is time for your next dose. Do not take a double dose to make up for a forgotten dose.
If you stop taking Gabapentin Capsules
Do not stop taking Gabapentin Capsules unless your doctor tells you to. If your treatment is stopped it should be done gradually over a minimum of 1 week.
If you stop taking Gabapentin Capsules suddenly or before your doctor tells you, there is an increased risk of seizures.
If you have any further questions on the use of this product, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Contact your doctor immediately if you experience any of the following symptoms after taking this medicine as they can be serious.
Gabapentin Capsules may cause a serious or life-threatening allergic reaction that may affect your skin or other parts of your body such as your liver or blood cells. You may or may not have a rash when you get this type of reaction.
It may cause you to be hospitalized or to stop Gabapentin Capsules.
Call your doctor right away if you have any of the following symptoms:
- skin rash
- swollen glands that do not go away
- swelling of your lip and tongue
- unusual bruising or Bleeding
- yellowing of your skin or of the whites of the eyes
- severe fatigue or weakness
- unexpected muscle pain
- frequent infections.
These symptoms may be the first signs of a serious reaction. A doctor should examine you to decide if you should continue taking Gabapentin Capsules.
If you are on haemodialysis, tell your doctor if you develop muscle pain and/or weakness.
Very common: may affect more than 1 in 10 people
• Feeling drowsy, dizziness, lack of coordination
• Viral infection
• Feeling tired, fever.
Common: may affect up to 1 in 10 people
• Pneumonia, respiratory infection, urinary tract infection, infection, inflammation of the ear
• Low white blood cell counts
• Anorexia, increased appetite
• Anger towards others, confusion, fluctuation in mood, depression, anxiety, nervousness
• Convulsions, jerky movements, difficulty with speaking, loss of memory, tremor, difficulty sleeping, headache, sensitive skin, decreased sensation, difficulty with coordination, unusual eye movement, increased, decreased or absent reflexes
• Blurred vision, double vision
• High blood pressure, flushing or dilation of blood vessels
• Difficulty breathing, bronchitis, sore throat, cough, dry nose
• Vomiting (being sick), nausea (feeling sick), problems with teeth, inflamed gums, diarrhoea, stomach pain, indigestion, constipation, dry mouth or throat, flatulence
• Facial swelling, bruises, rash, itch, acne
• Joint pain, muscle pain, back pain, twitching
• Difficulties with erection
• Swelling in the legs and arms or swelling that may involve the face, trunk and limbs, difficulty with walking, weakness, pain, feeling unwell, flu-like symptoms
• Decrease in white blood cells, increase in weight
• Accidental injury, fracture, abrasion.
Uncommon: may affect up to 1 in 100 people
• Difficulty with thinking
• High blood sugar (most often observed in patients with diabetes)
• Mental impairment
Rare: may affect up to 1 in 1,000 people
• Decreased platelets (blood clotting cells)
• Allergic reaction such as hives
• Loss of consciousness
• Problems with abnormal movements such as writhing, jerking movements and stiffness
• Ringing in the ears
• Racing heartbeat
• Inflammation of the pancreas
• Inflammation of the liver, yellowing of the skin and eyes
• Acute kidney failure
• Severe skin reactions that require immediate medical attention, swelling of the lips and face, skin rash and redness, hair loss
• Adverse events following the abrupt discontinuation of gabapentin (anxiety, difficulty sleeping, feeling sick, pain, sweating), chest pain
• Low blood sugar (most often observed in patients with diabetes), abnormal blood test results suggesting problems with the liver.
Side effects for which the frequency cannot be estimated based on the available data are listed below:
• Low blood sodium
• A group of side effects that could include swollen lymph nodes (isolated small raised lumps under the skin), fever, rash, and inflammation of liver occurring together
• Breakdown of muscle fibers (Rhabdomyolysis)
• Problems with abnormal movements such as writhing, jerking movements and stiffness
• Increased breast tissue, breast enlargement
• Problems with sexual functioning including inability to achieve a sexual climax, delayed ejaculation
• Change in blood test results (creatine phosphokinase increased)
Additionally in clinical studies in children, aggressive behaviour and jerky movements were reported commonly.
Reporting of side effects
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at www.mhra.gov.uk/yellowcard. By reporting side effects you can help provide more information on the safety of this medicine.
Do not use this medicine after the expiry date which is stated on the carton. The expiry date refers to the last day of that month.
Store below 25°C. Store in the original package.
Do not throw away medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
• The active substance is gabapentin.
• Each capsule, hard contains either 100mg, 300mg or 400mg gabapentin.
• The other ingredients are lactose monohydrate, talc, maize starch, gelatin, titanium dioxide (E171), sodium lauryl sulfate, yellow iron oxide (E172) [300mg capsules only] and red iron oxide (E172) [400mg capsules only].
• The capsule printing ink contains shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, black iron oxide (E172) and purified water.
What Gabapentin Capsules look like and the contents of the pack
100mg: white, gelatin capsules marked with GA100.
300mg: yellow, gelatin capsules marked with GA300.
400mg: orange, gelatin capsules marked with GA400.
Gabapentin Capsules are available in transparent blister packs of 20, 50, 100 and 200 capsules, although not all pack sizes may be marketed.
Marketing Authorisation Holder:
Wockhardt UK Ltd, Ash Road North,
Wrexham, LL13 9UF, UK
CP Pharmaceuticals Ltd, Ash Road North, Wrexham, LL13 9UF, UK.
Other sources of information:
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Gabapentin Wockhardt 100mg Hard Capsules
Gabapentin Wockhardt 300mg Hard Capsules
Gabapentin Wockhardt 400mg Hard Capsules
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This leaflet was last revised in 04/2016