Package Leaflet: Information for the User
RELERT 40mg film-coated tablets
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the pack
Relert contains eletriptan as the active substance. Relert belongs to a group of medicines called serotonin receptor agonists. Serotonin is a naturally occurring substance found in the brain and helps to narrow blood vessels.
Relert can be used to treat migraine attacks with or without aura in adults. Before a migraine attack, you may experience a phase called "aura", in which vision disturbances, numbness, and language disturbances may occur.
Do not takeRelert:
Tell your doctor and do not take Relert if you currently have or have had any of these conditions.
Warnings and precautions
Consult your doctor or pharmacist before starting to take Relert if:
Repeated use of migraine medications
If you repeatedly use Relert or any migraine medication for several days or weeks, this can cause long-lasting daily headaches. Tell your doctor if you have experienced this, as you may need to stop treatment for a while.
Using Relert with other medicines
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.
Taking Relert with some medicines can cause serious side effects. Do not take Relert if:
Some medicines may affect how Relert works, or Relert may reduce the effectiveness of other medicines taken at the same time. This includes:
The herbal preparation containing St. John's Wort (Hypericum perforatum) should not be taken at the same time as this medicine. If you are already taking St. John's Wort, consult your doctor before stopping the St. John's Wort preparation.
Tell your doctor before starting treatment with eletriptan if you are taking certain medicines (commonly known as SSRIs* or SNRIs**) for depression or other mental disorders. These medicines may increase the risk of developing serotonin syndrome during combined use with certain migraine medications. See Section 4 "Possible side effects" for more information on serotonin syndrome symptoms.
*SSRIs – Selective serotonin reuptake inhibitors.
**SNRIs – Serotonin and norepinephrine reuptake inhibitors.
Taking Relert with food and drinks
Relert can be taken before or after eating and drinking.
Pregnancy and breastfeeding
Consult your doctor or pharmacist before taking any medicine.
If you are pregnant or breastfeeding, think you may be pregnant, or are planning to have a baby, ask your doctor for advice before taking this medicine.
Breastfeeding is not recommended in the 24 hours following administration of this medicine.
Driving and using machines
Relert, or the migraine itself, can cause drowsiness. This medicine can also cause a feeling of dizziness. For this reason, you should avoid driving and using machines during the migraine attack or after taking the medicine.
Relert contains lactose, yellow-orange aluminum lake (E110), and sodium
Lactose is a type of sugar. This medicine contains lactose. If your doctor has told you that you have an intolerance to some sugars, consult them before taking this medicine.
This medicine may cause allergic reactions because it contains yellow-orange aluminum lake (E110). It can cause asthma, especially in patients allergic to acetylsalicylic acid.
This medicine contains less than 23 mg of sodium (1mmol) per tablet; it is essentially "sodium-free".
Follow exactly the administration instructions of this medicine given by your doctor. In case of doubt, consult your doctor or pharmacist again.
Adults
You can take the medicine at any time after the onset of the migraine headache, but it is best to take it as soon as possible. However, you should only take Relert during the headache phase of the migraine. Do not take this medicine to prevent a migraine attack.
Use in children and adolescents under 18 years
Relert tablets are not recommended for use in children and adolescents under 18 years.
Elderly over 65 years
Relert tablets are not recommended for use in patients over 65 years.
Renal impairment
This medicine can be used in patients with mild or moderate kidney problems. In these patients, the recommended initial dose is 20 mg (one 20 mg Relert tablet) and the total daily dose should not exceed 40 mg (two 20 mg Relert tablets or one 40 mg Relert tablet).
Hepatic impairment
This medicine can be used in patients with mild or moderate liver problems. No dose adjustment is required for mild or moderate hepatic impairment.
If you take more Relert than you should
If you accidentally take more Relert than you should, contact your doctor immediately or go to the emergency department of the nearest hospital. Always take the medicine package with you, even if it is empty. The adverse effects of overdose with Relert include high blood pressure and heart problems.
Consult your doctor immediately, pharmacist, or call the Toxicology Information Service, phone 91 562 04 20, indicating the medicine and the amount taken.
It is recommended to take the medicine package and leaflet to the healthcare professional.
If you forget to take Relert
If you forget to take a dose, take it as soon as you remember, unless it is close to the time for the next dose. Do not take a double dose to make up for forgotten doses.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Tell your doctor immediatelyif you experience any of the following symptoms after taking the medicine.
Other side effects that may occur are:
Common side effects:
(may affect up to 1 in 10 people)
Uncommon side effects:
(may affect up to 1 in 100 people)
Rare side effects:
(may affect up to 1 in 1,000 people)
Other side effects reported include fainting, high blood pressure, large intestine inflammation, vomiting, blood vessel and brain accidents, inadequate blood supply to the heart, heart attack, artery and heart muscle spasms.
Your doctor may perform regular blood tests to check for increased liver enzymes or any blood problems.
Reporting of side effects
If you experience 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 to the Spanish Medicines Agency's Pharmacovigilance System for Human Use: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.
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 carton. The expiry date refers to the last day of the month shown.
PVC/Aclar/Aluminum blisters: No special storage conditions are required.
HDPE bottles: Store in the original package. Keep the bottle tightly closed to protect from moisture.
Medicines should not be disposed of via wastewater or household waste. Return any unused medicine to a pharmacy for proper disposal. If you are unsure, ask your pharmacist how to dispose of unused medicines. This will help protect the environment.
Composition of Relert 40 mg film-coated tablets
The active substance is eletriptan (as eletriptan hydrobromide).
Each Relert 40 mg film-coated tablet contains 40 mg of eletriptan (in the form of hydrobromide).
The other ingredients are: microcrystalline cellulose, lactose monohydrate, sodium croscarmellose, magnesium stearate, titanium dioxide (E-171), hypromellose, glycerol triacetate, and yellow-orange aluminum lake (E110) (see section 2).
Appearance of the product and pack contents
Relert tablets are orange and round film-coated tablets.
Relert 40 mg film-coated tablets are marked with "VLE" on one side and "REP 40" on the other.
Relert is available in opaque PVC/Aclar/Aluminum blisters containing 2, 3, 4, 5, 6, 10, 18, 30, and 100 tablets, or in HDPE bottles with a child-resistant HDPE/PP cap containing 30 and 100 tablets.
Not all pack sizes may be marketed.
Marketing authorization holder and manufacturer
Marketing authorization holder
Viatris Healthcare, S.L.
Calle General Aranaz, 86, 3rd floor
28027 Madrid
Spain
Manufacturer
Pfizer Italia S.r.l.,
Località Marino del Tronto
63100 Ascoli Piceno
Italy
Local representative
Viatris Pharmaceuticals, S.L.U.
Calle General Aranaz, 86
28027 Madrid
Spain
This medicine is authorized in the Member States of the European Economic Area under the following names:
Relert 20 mg and 40 mg film-coated tablets: Belgium, Finland, Luxembourg, Portugal, Spain, United Kingdom.
Relpax 20 mg and 40 mg film-coated tablets: Austria, Denmark, France, Germany, Greece, Iceland, Ireland, Italy, Norway, Spain, Sweden, Netherlands, United Kingdom.
Date of last revision of this leaflet: January 2021
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 RELERT 40 mg FILM-COATED TABLETS in October, 2025 is around 17.59 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.