Package Leaflet: Information for the Patient
Zytram 300 mg prolonged-release tablets
Tramadol, hydrochloride
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the pack
These tablets have been prescribed for you by your doctor to relieve moderate to severe pain over a 24-hour period. The tablets contain tramadol as the active substance, which is a potent pain reliever (analgesic) belonging to a group of medicines called opioids.
These tablets are for use in adults and adolescents over 12 years of age only.
Do not take Zytram
Warnings and precautions
Talk to your doctor or pharmacist before starting to take these tablets if:
Respiratory disorders related to sleep
Zytram tablets may cause sleep-related respiratory disorders such as central sleep apnea (pauses in breathing during sleep) and sleep-related hypoxemia (low oxygen levels in the blood). These symptoms may include pauses in breathing during sleep, nocturnal awakenings due to difficulty breathing, difficulty maintaining sleep, or excessive daytime sleepiness. If you or someone else notices these symptoms, consult your doctor. Your doctor may consider reducing the dose.
Tolerance, dependence, and addiction
This medicine contains tramadol, which is an opioid medicine. Repeated use of opioids can make the medicine less effective (you get used to it, which is known as tolerance). Repeated use of Zytram can also lead to dependence, abuse, and addiction, which can cause a potentially life-threatening overdose. The risk of these side effects may increase with a higher dose and longer duration of use.
Dependence or addiction can make you feel like you no longer have control over the amount of medicine you need to take or how often you need to take it.
The risk of becoming dependent or addicted varies from person to person. You may have a higher risk of becoming dependent or addicted to Zytram if:
If you notice any of the following signs while taking Zytram, it could be a sign that you have become dependent or addicted:
If you notice any of these signs, talk to your doctor to address the best treatment strategy for your case, including when it is appropriate to stop taking it and how to do so safely (see section 3, If you stop taking Zytram).
Tramadol is converted in the liver by an enzyme. Some people have a variation of this enzyme, and this can affect each person differently. In some people, sufficient pain relief may not be achieved, while others are more likely to experience serious side effects. If you notice any of the following side effects, you must stop taking this medicine and consult a doctor immediately: slow or shallow breathing, confusion, drowsiness, constricted pupils, general malaise, or vomiting, constipation, loss of appetite.
There is a slight risk that you may experience a serotonin syndrome that can occur after taking tramadol in combination with certain antidepressants or tramadol alone. Consult a doctor immediately if you experience any symptoms related to this serious syndrome (see section 4 "Possible side effects").
Talk to your doctor or pharmacist if you experience any of the following symptoms while taking Zytram: extreme fatigue, loss of appetite, severe abdominal pain, nausea, vomiting, or low blood pressure. This may indicate that you have adrenal insufficiency (low cortisol levels). If you experience any of these symptoms, inform your doctor, who will decide whether you should take a hormonal supplement.
Occasionally, an increase in sensitivity to pain (hyperalgesia) may occur, which does not respond to an additional increase in the dose of tramadol, especially at high doses. It may be necessary to reduce the dose of tramadol or switch to an alternative opioid.
Children and adolescents
Use in children with respiratory problems
Tramadol is not recommended for use in children with respiratory problems, as the symptoms of tramadol toxicity can worsen in these children.
Other medicines and Zytram prolonged-release tablets
Tell your doctor or pharmacist if you are taking or have recently taken or might take any other medicines. If you are taking other medicines with these tablets, the effect of these tablets or the other medicine may be altered.
Concomitant use of Zytram and sedative medicines such as benzodiazepines or related medicines increases the risk of drowsiness, breathing difficulties (respiratory depression), coma, and can be fatal. Due to this, concomitant use should only be considered when other treatment options are not possible.
However, if your doctor prescribes Zytram with sedative medicines, your doctor must limit the dose and duration of concomitant treatment.
Tell your doctor about all sedative medicines you are taking and follow your doctor's recommendations regarding the dose. It may be helpful to inform friends or family members so they are aware of the signs and symptoms mentioned above. Inform your doctor when you experience such symptoms.
These tablets must not be used with a monoamine oxidase inhibitor (MAOI) or if you have taken this type of medicine in the last two weeks (see section 2, "Do not take Zytram").
The risk of side effects increases:
Tell your doctor or pharmacist if you are taking:
Taking Zytram tablets with alcohol
Talk to your doctor or pharmacist if you drink or plan to drink alcohol while taking this medicine.
Pregnancy, breastfeeding, and fertility
If you are pregnant or breastfeeding, think you may be pregnant, or plan to become pregnant, consult your doctor or pharmacist before using this medicine.
Pregnancy
Do not take this medicine if you are pregnant. Depending on the dose and duration of treatment with tramadol, the newborn may experience slow and shallow breathing (respiratory depression) or withdrawal symptoms.
Breastfeeding
Tramadol is excreted in breast milk. For this reason, you should not take Zytram more than once during breastfeeding, or if you take Zytram more than once, you should interrupt breastfeeding.
Babies born to mothers who have used Zytram prolonged-release tablets during pregnancy may experience withdrawal symptoms, including high-pitched crying, irritability, and restlessness, agitation (shaking), feeding difficulties, and sweating.
Driving and using machines
These tablets can cause a number of side effects, such as drowsiness, blurred vision, and dizziness, which may affect your ability to drive or use machines (see section 4 for a complete list of side effects). These effects are more noticeable when you start treatment with the tablets or when the dose is increased. If you are affected, do not drive or use machines.
Zytram tablets contain lactose
This medicine contains lactose. If your doctor has told you that you have an intolerance to some sugars, consult your doctor before taking this medicine.
Follow exactly the administration instructions of this medicine given by your doctor or pharmacist. In case of doubt, ask your doctor or pharmacist. Before starting treatment and regularly during treatment, your doctor will discuss with you what you can expect from the use of Zytram, when and for how long you should take it, when to contact your doctor, and when to stop it (see also section 2).
The dose should be adjusted according to the intensity of the pain and individual sensitivity. Normally, the lowest possible dose that produces pain relief should be used.
Adults and adolescents over 12 years of age
The usual initial dose is one 150 mg tablet once a day. However, your doctor will prescribe the dose required to treat the pain you are experiencing. Do not exceed the recommended dose prescribed by your doctor. If you find that you still have pain while taking the tablets, consult your doctor. You should not take more than 400 mg per day.
The tablets should be swallowed whole with water. Do not break, crush, or chew them.
Zytram tablets are designed to provide adequate treatment over 24 hours when taken whole. If the tablet is broken, crushed, or chewed, the full 24-hour dose may be absorbed quickly by your body, which can be dangerous and cause serious problems, including a potentially fatal overdose.
You should take the tablets at the same time every day. For example, if you take a tablet at 8 am, you should take the next tablet at 8 am the following day.
Elderly patients
In elderly patients (over 75 years of age), the elimination of tramadol may be slow. If this applies to you, your doctor may recommend reducing the dose.
Patients with liver or kidney impairment/patients on dialysis
If you have severe liver or kidney disease, treatment with Zytram tablets is not recommended. If you have mild or moderate liver or kidney disease, your doctor may recommend reducing the dose.
Children under 12 years of age
Children under 12 years of age should not take this medicine.
If you take more Zytram tablets than you should or someone takes them accidentally
Contact your doctor or the nearest hospital immediately. People who have taken an overdose may experience excessive drowsiness, feel very unwell, or very dizzy. They may have seizures, tremors, or convulsions. They may also have breathing difficulties that can lead to loss of consciousness or even death and may require emergency treatment in the hospital. If you need medical attention, make sure to bring this leaflet and the remaining tablets with you.
In case of overdose or accidental ingestion, consult the Toxicology Information Service (Tel. 91.562.04.20), indicating the product and the amount ingested.
If you forget to take Zytram tablets
If you remember within the next 10 hours of the time you should have taken the tablet, take the missed tablet immediately. Then take the next tablet at the usual time. If more than 10 hours have passed, it is best to consult your doctor.
Do not take a double dose to make up for the missed dose.
If you stop taking Zytram tablets
Do not stop taking this medicine suddenly unless your doctor tells you to. If you want to stop taking your medicine, talk to your doctor first, especially if you have been taking it for a long time. Your doctor will inform you when and how to stop it, which can be done by gradually reducing the dose to reduce the likelihood of unnecessary side effects (withdrawal symptoms). If you stop taking these tablets suddenly, you may experience withdrawal symptoms such as agitation, anxiety, nervousness, difficulty sleeping, unusual hyperactivity, tremors, or gastrointestinal disorders, e.g., upset stomach.
If you have any further questions on the use of these tablets, ask your doctor or pharmacist.
Like all medicines, this medicine can cause adverse effects, although not all people suffer from them.
All medicines can cause allergic reactions, even if severe allergic reactions are rare. Contact your doctor immediately if you suddenly experience shortness of breath, difficulty breathing, swelling of the eyelids, face, or lips, or itching, especially if it affects the whole body.
The most severe adverse effect is that in which slower or weaker breathing than usual is observed (respiratory depression).
As with all potent analgesics, there is a risk of addiction or dependence on these tablets.
Very Common:may affect more than 1 in 10 patients
Common:may affect up to 1 in 10 patients
Uncommon:may affect up to 1 in 100 patients
Rare:may affect up to 1 in 1,000 patients
Very Rare:may affect up to 1 in 10,000 patients
Frequency Not Known(frequency cannot be estimated from available data)
In some cases, the tablet matrix may be observed in the stool, which does not affect the efficacy of the tablets.
Reporting of Adverse Effects
If you experience any type of adverse effect, consult your doctor or pharmacist, even if it is an adverse effect that is not listed in this prospectus. You can also report them directly through the Spanish Pharmacovigilance System for Human Use Medicines https://www.notificaram.es.
By reporting adverse effects, you can contribute to providing more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Store this medicine in a safe place, where other people cannot access it. It can cause serious harm and be fatal to people who have not been prescribed it.
Do not take these tablets after the expiration date shown on the blister pack and carton. The expiration date is the last day of the month indicated.
Do not store above 30°C.
Medicines should not be disposed of via wastewater or household waste. Deposit the packaging and medicines you no longer need at the SIGRE collection point in the pharmacy. In case of doubt, ask your pharmacist how to dispose of the packaging and medicines you no longer need. This way, you will help protect the environment.
Composition of Zytram Tablets
The active ingredient is tramadol hydrochloride. Each tablet contains 300 mg of tramadol hydrochloride.
The other ingredients are:
Appearance of the Product and Package Contents
This medicine is presented in the form of film-coated tablets, white, oval, marked with a T followed by the dosage (300), with an approximate length of 17 mm.
Each carton contains 2, 7, 10, 14, 15, 20, 28, 30, 50, 56, 60, or 100 tablets.
Only some pack sizes may be marketed.
Marketing Authorization Holder and Manufacturer
Marketing Authorization Holder
Mundipharma Pharmaceuticals, S.L.
Bahía de Pollensa, 11
28042 Madrid
Spain
Manufacturer
Mundipharma DC B.V.
Leusderend 16
3832 RC Leusden
Netherlands
or
Zambón Switzerland LTD
Via Industria, 13 (Campedino)
CH-6814 – Switzerland
or
MEDA Pharma GmbH & Co. KG
Benzstrasse 1
61352 Bad Homburg
Germany
This medicine is authorized in the Member States of the European Economic Area under the following names:
Austria Adamon® long retard - Filmtabletten
Portugal TRAVEX® Long
Spain Zytram®
Date of the Last Revision of this Prospectus:May 2024
Detailed and updated information on this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.gob.es/
The average price of ZYTRAM 300 mg PROLONGED-RELEASE TABLETS in October, 2025 is around 17.37 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.