Medicine guide

Pregabalin Zentiva

·

  • Prescription status not stated
  • Pain, sleep, mood, epilepsy and the brain
Active substance
Pregabalin
Made by
Zentiva k.s.

Quoted from the official source. Not yet reviewed by Mediclarum — the leaflet in your pack is authoritative.

What it is for

  • Pregabalin Zentiva belongs to a group of medicines used to treat epilepsy, neuropathic pain and generalised anxiety disorder (GAD) in adults.
  • Peripheral and central neuropathic pain Pregabalin Zentiva is used to treat long lasting pain caused by damage to the nerves. A variety of diseases can cause peripheral 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. Peripheral and central neuropathic pain may also be associated with mood changes, sleep disturbance, fatigue (tiredness), and can have an impact on physical and social functioning and overall quality of life.
  • Epilepsy Pregabalin Zentiva is used to treat a certain form of epilepsy (partial seizures with or without secondary generalisation) in adults. Your doctor will prescribe Pregabalin Zentiva for you to help treat your epilepsy when your current treatment is not controlling your condition. You should take Pregabalin Zentiva in addition to your current treatment. Pregabalin Zentiva is not intended to be used alone, but should always be used in combination with other anti-epileptic treatment.
  • Generalised anxiety disorder Pregabalin Zentiva is used to treat generalised anxiety disorder (GAD). The symptoms of GAD are prolonged excessive anxiety and worry that are difficult to control. GAD can also cause restlessness or feeling keyed up or on edge, being easily fatigued (tired), having difficulty concentrating or mind going blank, feeling irritable, having muscle tension or sleep disturbance. This is different to the stresses and strains of everyday life.

From the package leaflet in EMA’s product information, p. 59–60 · 2026-02-16

How it works

This product’s leaflet is published as a scanned document. This section quotes the US prescribing label for the same active substance (pregabalin). It describes the substance, not this Bulgarian product — its uses and doses can differ.

Pregabalin binds with high affinity to the alpha 2 -delta site (an auxiliary subunit of voltage-gated calcium channels) in central nervous system tissues.

Although the mechanism of action of pregabalin has not been fully elucidated, results with genetically modified mice and with compounds structurally related to pregabalin (such as gabapentin) suggest that binding to the alpha 2 -delta subunit may be involved in pregabalin’s anti-nociceptive and antiseizure effects in animals.

Peak level after1.5 h
Half-life6 h
Mostly cleared after≈ 30 hfive half-lives — our arithmetic
PeakHalf gone30 h0
The shape is a standard model drawn from the two times above, not a measurement. How fast a medicine acts and wears off also depends on the dose, the form and the person.
How the body breaks it down

Therefore, an increase in the metabolism of coadministered CYP1A2 substrates (e.g. theophylline, caffeine) or CYP 3A4 substrates (e.g., midazolam, testosterone) is not anticipated.

With food

The rate of pregabalin absorption is decreased when given with food, resulting in a decrease in C max of approximately 25% to 30% and an increase in T max to approximately 3 hours.

Quoted from the prescribing label, sections “Mechanism of Action” and “Pharmacokinetics”. DailyMed · 2026-04-07

Do not take it if

• if you are allergic to pregabalin or any of the other ingredients of this medicine (listed in section 6).

From the package leaflet in EMA’s product information, p. 60.

How to take it

These directions are for this exact strength and form. Another one is different.

  • Always take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you are not sure. Do not take more medicine than prescribed.
  • Your doctor will determine what dose is appropriate for you.
  • Pregabalin Zentiva is for oral use only.
  • Peripheral and central neuropathic pain, epilepsy or generalised anxiety disorder Take the number of hard capsules as instructed by your doctor.
  • The dose, which has been adjusted for you and your condition, will generally be between 150 mg and 600 mg each day.
  • Your doctor will tell you to take Pregabalin Zentiva either twice or three times a day. For twice a day take Pregabalin Zentiva once in the morning and once in the evening, at about the same time each day.
  • For three times a day take Pregabalin Zentiva once in the morning, once in the afternoon and once in the evening, at about the same time each day.
  • If you have the impression that the effect of Pregabalin Zentiva 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 Pregabalin Zentiva 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.
  • Swallow the capsule whole with water.
  • Continue taking Pregabalin Zentiva until your doctor tells you to stop.
  • If you take more Pregabalin Zentiva than you should Call your doctor or go to the nearest hospital emergency unit immediately. Take your box of Pregabalin Zentiva hard capsules with you. You may feel sleepy, confused, agitated, or restless as a result of taking more Pregabalin Zentiva than you should. Fits and unconsciousness (coma) have also been reported.
  • If you forget to take Pregabalin Zentiva It is important to take your Pregabalin Zentiva hard capsules regularly at the same time each day.
  • If you forget to take a dose, take it as soon as you remember unless it is time for your next dose.
  • In that case, just carry on with the next dose as normal. Do not take a double dose to make up for a forgotten dose.
  • If you stop taking Pregabalin Zentiva Do not suddenly stop taking Pregabalin Zentiva. If you want to stop taking Pregabalin Zentiva, discuss this with your doctor first. They will tell you how to do this. If your treatment is stopped it should be done gradually over a minimum of 1 week.
  • After stopping a short or long term treatment with Pregabalin Zentiva, you need to know that you may experience certain side effects, so called withdrawal effects. These effects include, trouble sleeping, headache, nausea, feeling anxious, diarrhoea, flu-like symptoms, convulsions, nervousness, depression, thoughts of harming or killing yourself, pain, sweating, and dizziness. These effects may occur more commonly or severely if you have been taking Pregabalin Zentiva for a longer period of time. If you experience withdrawal effects, you should contact your doctor.
  • If you have any further questions on the use of this medicine, ask your doctor or pharmacist.

From the package leaflet in EMA’s product information, p. 62–63.

Warnings and precautions

  • Talk to your doctor or pharmacist before taking Pregabalin Zentiva.
  • Some patients taking pregabalin have reported symptoms suggesting an allergic reaction. These symptoms include swelling of the face, lips, tongue, and throat, as well as diffuse skin rash.
  • Should you experience any of these reactions, you should contact your physician immediately.
  • Serious skin rashes including Stevens-Johnson syndrome and toxic epidermal necrolysis have been reported in association with pregabalin. Stop using pregabalin and seek medical attention immediately if you notice any of the symptoms related to these serious skin reactions described in section 4.
  • Pregabalin has been associated with dizziness and somnolence, which could increase the occurrence of accidental injury (fall) in elderly patients. Therefore, you should be careful until you are used to any effect the medicine might have.
  • Pregabalin may cause blurring or loss of vision, or other changes in eyesight, many of which are temporary. You should immediately tell your doctor if you experience any changes in your vision.
  • Some patients with diabetes who gain weight while taking pregabalin may need an alteration in their diabetic medicines.
  • Certain side effects may be more common, such as sleepiness, because patients with spinal cord injury may be taking other medicines to treat, for example, pain or spasticity, that have similar side effects to pregabalin and the severity of these effects may be increased when taken together.
  • There have been reports of heart failure in some patients when taking pregabalin; these patients were mostly elderly with cardiovascular conditions. Before taking this medicine you should tell your doctor if you have a history of heart disease.
  • There have been reports of kidney failure in some patients when taking pregabalin. If while taking Pregabalin Zentiva you notice decreased urination, you should tell your doctor as stopping the medicine may improve this.
  • Some patients being treated with anti-epileptics such as pregabalin have had thoughts of harming or killing themselves or shown suicidal behaviour. If at any time you have these thoughts or show such behaviour, immediately contact your doctor.
  • When pregabalin is taken with other medicines that may cause constipation (such as some types of pain medicines) it is possible that gastrointestinal problems may occur (e.g. constipation, blocked or paralysed bowel). Tell your doctor if you experience constipation, especially if you are prone to this problem.
  • Before taking this medicine, tell your doctor if you have ever abused or been dependent on alcohol, prescription medicines or illegal drugs; it may mean you have a greater risk of becoming dependent on Pregabalin Zentiva.
  • There have been reports of convulsions when taking pregabalin or shortly after stopping pregabalin. If you experience a convulsion, contact your doctor immediately.
  • There have been reports of reduction in brain function (encephalopathy) in some patients taking pregabalin when they have other conditions. Tell your doctor if you have a history of any serious medical conditions, including liver or kidney disease.
  • There have been reports of breathing difficulties. If you have nervous system disorders, respiratory disorders, renal impairment, or you are older than 65, your doctor may prescribe you a different dosing regimen. Contact your doctor if you experience trouble breathing or shallow breaths.
  • Dependence Some people may become dependent on Pregabalin Zentiva (a need to keep taking the medicine).
  • They may have withdrawal effects when they stop using Pregabalin Zentiva (see section 3, “How to take Pregabalin Zentiva” and “If you stop taking Pregabalin Zentiva”). If you have concerns that you may become dependent on Pregabalin Zentiva, it is important that you consult your doctor.
  • If you notice any of the following signs whilst taking Pregabalin Zentiva, it could be a sign that you have become dependent:
  • you need to take the medicine for longer than advised by your prescriber
  • you feel you need to take more than the recommended dose
  • you are using the medicine for reasons other than prescribed
  • you have made repeated, unsuccessful attempts to quit or control the use of the medicine
  • when you stop taking the medicine you feel unwell, and you feel better once taking the medicine again If you notice any of these, speak to your doctor to discuss the best treatment pathway for you, including when it is appropriate to stop and how to do this safely.
  • Children and adolescents The safety and efficacy in children and adolescents (under 18 years of age) has not been established and therefore, pregabalin should not be used in this age group.

From the package leaflet in EMA’s product information, p. 60–61.

Pregnancy and breastfeeding

  • Pregabalin Zentiva should not be taken during pregnancy or when breast-feeding, unless you are told otherwise by your doctor. Pregabalin use during the first 3 months of pregnancy may cause birth defects in the unborn child that require medical treatment. In a study reviewing data from women in Nordic countries who took pregabalin in the first 3 months of pregnancy, 6 babies in every 100 had such birth defects. This compares to 4 babies in every 100 born to women not treated with pregabalin in the study. Abnormalities of the face (orofacial clefts), the eyes, the nervous system (including the brain), kidneys and genitals have been reported.
  • Effective contraception must be used by women of childbearing potential. If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.

From the package leaflet in EMA’s product information, p. 61–62.

Other medicines

  • Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.
  • Pregabalin Zentiva and certain other medicines may influence each other (interaction). When taken with certain other medicines, which have sedative effects (including opioids), pregabalin may potentiate these effects, and could lead to respiratory failure, coma and death. The degree of dizziness, sleepiness and decreased concentration may be increased if pregabalin is taken together with medicines containing:
  • oxycodone (used as a pain-killer)
  • lorazepam (used for treating anxiety)
  • alcohol Pregabalin Zentiva may be taken with oral contraceptives.
  • Pregabalin Zentiva with food, drink and alcohol Pregabalin Zentiva hard capsules may be taken with or without food.
  • It is advised not to drink alcohol while taking Pregabalin Zentiva.

From the package leaflet in EMA’s product information, p. 61.

Driving and using machines

  • Pregabalin may produce dizziness, sleepiness and decreased concentration. You should not drive, operate complex machinery or engage in other potentially hazardous activities until you know whether this medicine affects your ability to perform these activities.
  • Pregabalin Zentiva contains lactose monohydrate If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicine.

From the package leaflet in EMA’s product information, p. 62.

Side effects

  • Like all medicines, this medicine can cause side effects, although not everybody gets them.
  • If you experience swollen face or tongue or if your skin turns red and starts to blister or peel, you should seek immediate medical advice.
  • Very common: may affect more than 1 in 10 people
  • Dizziness, drowsiness, headache.
  • Common: may affect up to 1 in 10 people
  • Increased appetite.
  • Feeling of elation, confusion, disorientation, decrease in sexual interest, irritability.
  • Disturbance in attention, clumsiness, memory impairment, loss of memory, tremor, difficulty with speaking, tingling feeling, numbness, sedation, lethargy, insomnia, fatigue, feeling abnormal.
  • Blurred vision, double vision.
  • Vertigo, problems with balance, fall.
  • Dry mouth, constipation, vomiting, flatulence, diarrhoea, nausea, swollen abdomen.
  • Difficulties with erection.
  • Swelling of the body including extremities.
  • Feeling drunk, abnormal style of walking.
  • Weight gain.
  • Muscle cramp, joint pain, back pain, pain in limb.
  • Sore throat.
  • Uncommon: may affect up to 1 in 100 people
  • Loss of appetite, weight loss, low blood sugar, high blood sugar.
  • Change in perception of self, restlessness, depression, agitation, mood swings, difficulty finding words, hallucinations, abnormal dreams, panic attack, apathy, aggression, elevated mood, mental impairment, difficulty with thinking, increase in sexual interest, problems with sexual functioning including inability to achieve a sexual climax, delayed ejaculation.
  • Changes in eyesight, unusual eye movement, changes in vision including tunnel vision, flashes of light, jerky movements, reduced reflexes, increased activity, dizziness on standing, sensitive skin, loss of taste, burning sensation, tremor on movement, decreased consciousness, loss of consciousness, fainting, increased sensitivity to noise, feeling unwell.
  • Dry eyes, eye swelling, eye pain, weak eyes, watery eyes, eye irritation.
  • Heart rhythm disturbances, increased heart rate, low blood pressure, high blood pressure, changes in heart beat, heart failure.
  • Flushing, hot flushes.
  • Difficulty breathing, dry nose, nasal congestion.
  • Increased saliva production, heartburn, numb around mouth.
  • Sweating, rash, chills, fever.
  • Muscle twitching, joint swelling, muscle stiffness, pain including muscle pain, neck pain.
  • Breast pain.
  • Difficulty with or painful urination, incontinence.
  • Weakness, thirst, chest tightness.
  • Changes in blood and liver test results (blood creatinine phosphokinase increased, alanine aminotransferase increased, aspartate aminotransferase increased, platelet count decreased, neutropaenia, increase in blood creatinine, decrease in blood potassium).
  • Hypersensitivity, swollen face, itchiness, hives, runny nose, nose bleed, cough, snoring.
  • Painful menstrual periods.
  • Coldness of hands and feet.
  • Rare: may affect up to 1 in 1 000 people
  • Abnormal sense of smell, swinging vision, altered perception of depth, visual brightness, vision loss.
  • Dilated pupils, cross eyes.
  • Cold sweat, tightness of the throat, swollen tongue.
  • Inflammation of the pancreas.
  • Difficulty in swallowing.
  • Slow or reduced movement of the body.
  • Difficulty with writing properly.
  • Increased fluid in the abdomen.
  • Fluid in the lungs.
  • Convulsions.
  • Changes in the recording of electrical changes (ECG) in the heart which correspond to heart rhythm disturbances.
  • Muscle damage.
  • Breast discharge, abnormal breast growth, breast growth in males.
  • Interrupted menstrual periods.
  • Kidney failure, reduced urine volume, urinary retention.
  • Decrease in white blood cell count.
  • Inappropriate behaviour, suicidal behaviour, suicidal thoughts.
  • Allergic reactions which may include difficulty breathing, inflammation of the eyes (keratitis)
  • and serious skin reactions characterized by reddish non-elevated, target-like or circular patches on the trunk, often with central blisters, skin peeling, ulcers of mouth, throat, nose, genitals and eyes. These serious skin rashes can be preceded by fever and flu-like symptoms (Stevens- Johnson syndrome, toxic epidermal necrolysis).
  • Jaundice (yellowing of the skin and eyes).
  • Parkinsonism, that is symptoms resembling Parkinson’s disease; such as tremor, bradykinesia (decreased ability to move), and rigidity (muscle stiffness).
  • Very rare: may affect up to 1 in 10 000 people
  • Liver failure.
  • Hepatitis (inflammation of the liver).
  • Not known: frequency cannot be estimated from the available data
  • Becoming dependent on Pregabalin Zentiva (‘drug dependence’).
  • After stopping a short or long-term treatment with Pregabalin Zentiva, you need to know that you may experience certain side effects, so-called withdrawal effects (see “If you stop taking Pregabalin Zentiva”).
  • Certain side effects may be more common, such as sleepiness, because patients with spinal cord injury may be taking other medicines to treat, for example, pain or spasticity, that have similar side effects to pregabalin and the severity of these effects may be increased when taken together.
  • The following adverse reaction has been reported in the post-marketing experience: Trouble breathing, shallow breaths.
  • 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 national reporting system listed in Appendix V. By reporting side effects, you can help provide more information on the safety of this medicine.

From the package leaflet in EMA’s product information, p. 63–65.

How to store it

  • Keep this medicine out of the sight and reach of children.
  • Do not use this medicine after the expiry date which is stated on the blister and carton after “EXP”.
  • The expiry date refers to the last day of that month.
  • Do not store above 25 °C.
  • Do not throw away any 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.

From the package leaflet in EMA’s product information, p. 65.

Same active substance, strength and form in other countries

Matched on active substance, strength and kind of form only. This is not a statement that the products are equivalent or interchangeable: other ingredients, release and approved uses can differ — ask a pharmacist before swapping.

Medicine passport: one printable page to show a pharmacist abroad

United StatesNo exact match for this strength and form

BulgariaNo exact match for this strength and form

SpainNo exact match for this strength and form

CanadaNo exact match for this strength and form

NetherlandsNo exact match for this strength and form

SwitzerlandNo exact match for this strength and form

Details

Made byZentiva k.s.
Active substancePregabalin
Used inPain, sleep, mood, epilepsy and the brain
ClassificationN02BF02 · Pain, sleep, mood, epilepsy and the brain
GenericYes — a generic medicine, according to the register
Authorised on2015-07-17
Last updated by the regulator2026-02-16
EMA product numberEMEA/H/C/003900

Source: European Medicines Agency — medicine data · 2026-09-30 · not reviewed by a clinician

Source: European Medicines Agency (EMA). Product information as published by EMA. Reuse terms: EMA legal notice (reproduction authorised).

Same active substance

These contain the same substance. That does not mean one can replace another — ask a pharmacist.