


Ask a doctor about a prescription for ARIXTRA 5 mg/0.4 mL Injectable Solution, Prefilled Syringe
Package Leaflet: Information for the User
Arixtra 5 mg/0.4 ml Solution for Injection
Arixtra 7.5 mg/0.6 ml Solution for Injection
Arixtra 10 mg/0.8 ml Solution for Injection
sodium fondaparinux
Read all of this leaflet carefully before you start using this medicine because it contains important information for you.
Contents of the pack:
Arixtra is a medicine used to treat or help prevent the formation of blood clots in blood vessels (an antithrombotic agent).Arixtra contains a synthetic substance called sodium fondaparinux. This stops the effect of coagulation factor Xa in the blood and thus prevents the formation of unwanted blood clots (thrombi) in blood vessels.
Arixtra is used to treat adults who have blood clots in the blood vessels of their legs (deep vein thrombosis)and/or lungs (pulmonary embolism).
Do not use Arixtra:
Arixtra.
Warnings and precautions:
Talk to your doctor or pharmacist before you start using Arixtra:
Children and adolescents
Arixtra has not been tested in children and adolescents under 17 years of age.
Using Arixtra with other medicines
Tell your doctor or pharmacist if you are using, have recently used or might use any other medicines, including those obtained without a prescription.
The use of other medicines may affect how Arixtra works or be affected by Arixtra.
Pregnancy and breast-feeding
Arixtra should not be given to pregnant women unless clearly necessary. Breast-feeding is not recommended during treatment with Arixtra. If you are pregnant, or think you might be pregnant, or are planning to become pregnant, consult your doctor or pharmacist before using this medicine.
Arixtra contains sodium
This medicine contains less than 23 mg of sodium per dose; it is essentially “sodium-free”.
The Arixtra syringe contains latex
The needle protector of the syringe contains latex, which may cause allergic reactions in people sensitive to latex.
Tell your doctorif you are allergic to latex before being treated with Arixtra.
Follow exactly the instructions of administration of this medicine given by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist.
Your weight  | Normal dose  | 
Less than 50 kg  | 5 mg once a day  | 
Between 50 and 100 kg  | 7.5 mg once a day  | 
More than 100 kg  | 10 mg once a day. This dose may be reduced to  | 
7.5 mg once a day if you have moderate kidney disease.  | |
It should be injected at approximately the same time each day.
How to administer Arixtra
For how long should you use Arixtra
You should use Arixtra for the period of time that your doctor has told you, as Arixtra prevents you from having a serious illness.
If you inject more Arixtra than you should
Contact your doctor or pharmacist immediately because there is an increased risk of bleeding.
If you forget to use Arixtra
If you stop using Arixtra
If you stop treatment before your doctor has told you to, the blood clot may not have been treated properly and you may be at risk of developing a new blood clot in a vein in your leg or in the lung. Before stopping treatment, contactyour doctor or pharmacist.
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.
Symptoms to look out for
Severe allergic reactions(anaphylaxis): are very rare (up to 1 in 10,000) in patients using Arixtra. The symptoms include:
Common side effects
These may affect more than 1 in 100 patientstreated with Arixtra.
Uncommon side effects
These may affect up to 1 in 100 patientstreated with Arixtra.
Rare side effects
These may affect up to 1 in 1,000 patientstreated with Arixtra.
If you experience side effects, talk to your doctor or pharmacist, even if they are not listed in this leaflet.
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.
Do not use this medicine:
Disposal of syringes
Medicines or syringes should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines or syringes no longer required. This will help protect the environment.
Arixtra Composition
The active ingredient:
The other components are sodium chloride, water for injectable preparations, and hydrochloric acid and/or sodium hydroxide to adjust the pH (see section 2).
Arixtra does not contain any animal products.
Product Appearance and Container Contents
Arixtra is a clear and colorless or slightly yellowish injectable solution. It is presented in a pre-filled syringe for single use, equipped with a safety system that helps prevent accidental needlesticks after use.
It is presented in packs of 2, 7, 10, and 20 pre-filled syringes. Only some pack sizes may be marketed.
Marketing Authorization Holder and Manufacturer
Marketing Authorization Holder:
Viatris Healthcare Limited, Damastown Industrial Park, Mulhuddart, Dublin 15, DUBLIN, Ireland
Manufacturer:
Aspen Notre Dame de Bondeville, 1 rue de l'Abbaye, F-76960 Notre Dame de Bondeville, France.
Date of Last Revision of this Leaflet:
Other Sources of Information
Detailed information on this medicinal product is available on the European Medicines Agency website http://www.ema.europa.eu
You can request more information about this medicinal product by contacting the local representative of the marketing authorization holder.
België/Belgique/Belgien Viatris Tél/Tel: + 32 (0)2 658 61 00 България Вятрис Тел.: +359 2 44 55 400 Ceská republika Viatris CZ s.r.o. Tel: + 420 222 004 400  | Lietuva Viatris UAB Tel: +370 5 205 1288 Luxembourg/Luxemburg Viatris Tél/Tel: + 32 (0)2 658 61 00 (Belgique/Belgien) Magyarország Viatris Healthcare Kft.Tel.: + 36 1 465 2100  | 
Danmark Viatris ApS Tlf: +45 28 11 69 32  | Malta V.J. Salomone Pharma Ltd Tel: + 356 21 22 01 74  | 
Deutschland Viatris Healthcare GmbH Tel: +49 800 0700 800  | Nederland Mylan Healthcare BV Tel: +31 (0)20 426 3300  | 
Eesti Viatris OÜ Tel: + 372 6363 052  | Norge Viatris AS Tlf: + 47 66 75 33 00  | 
Ελλάδα Viatris Hellas Ltd Τηλ: +30 2100 100 002  | Österreich Mylan Österreich GmbH Tel: +43 1 86390  | 
España Viatris Pharmaceuticals, S.L. Tel: +34 900 102 712  | Polska Mylan Healthcare Sp. z o.o. Tel.: + 48 22 546 64 00  | 
France Viatris Santé Tél: + 33 (0)4 37 25 75 00  | Portugal Viatris Healthcare, Lda. Tel: + 351 21 412 72 00  | 
Hrvatska Viatris Hrvatska d.o.o. Tel: +385 1 23 50 599  | România BGP Products SRL Tel: +40 372 579 000  | 
Ireland Mylan Ireland Limited Tel: +353 1 8711600  | Slovenija Viatris d.o.o. Tel: + 386 1 23 63 180  | 
Ísland Icepharma hf Sími: +354 540 8000  | Slovenská republika Viatris Slovakia s.r.o. Tel: +421 2 32 199 100  | 
Italia Viatris Italia S.r.l. Tel: + 39 02 612 46921  | Suomi/Finland Viatris Oy Puh/Tel: +358 20 720 9555  | 
Κύπρος Varnavas Hadjipanayis Ltd Τηλ: +357 2220 7700  | Sverige Viatris AB Tel: + 46 (0)8 630 19 00  | 
Latvija Viatris SIA Tel: +371 676 055 80  | United Kingdom (Northern Ireland) Mylan IRE Healthcare Limited +353 18711600  | 
Drawing 3. Syringe with a manualneedle protection system with the safety cap covering the needle AFTER USE
USE
Types of Safety Syringes:
There are two types of safety syringes for Arixtra, designed to protect against accidental needlesticks after use. One type of syringe has an automaticneedle protection system and the other has a manualsystem.
Syringe Components:
? Plunger
? Grip zone (with fingers)
Drawing 1.Syringe with an automaticneedle protection system

Syringe with a manualneedle protection system
Drawing 2. Syringe with a manualneedle protection system

DESCRIPTION OF ARIXTRA USE MODEInstructions for Use
These instructions apply to both types of syringes (with automatic and manual needle protection systems).
When there is a different instruction between syringes, it will be specified clearly.
For each injection, alternate the left and right sidesof the lower abdomen. This will help reduce discomfort at the injection site.
If injection in the lower abdomen is not possible, ask your doctor.

Drawing A
B1) and then by pulling out from the syringe body (drawing B2).
Discard the needle protector.
Important Note
Drawing B1

Drawing B
Drawing C

Drawing D

Drawing E
Syringe with automatic system

Drawing F
Syringe with manual system
Do not dispose of the used needlein the trash can.Dispose of it following the instructions given by your doctor or pharmacist.
The average price of ARIXTRA 5 mg/0.4 mL Injectable Solution, Prefilled Syringe in November, 2025 is around 164.86 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.
The best alternatives with the same active ingredient and therapeutic effect.
Discuss dosage, side effects, interactions, contraindications, and prescription renewal for ARIXTRA 5 mg/0.4 mL Injectable Solution, Prefilled Syringe – subject to medical assessment and local rules.