Package Leaflet: Information for the User
Acrel Weekly 35mg Film-Coated Tablets
risedronate sodium
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the Package Leaflet
Acrel Weekly belongs to a group of non-hormonal medicines called bisphosphonates, which are used for the treatment of bone diseases. Acrel Weekly acts directly on bones, strengthening them and reducing the likelihood of fractures.
Bone is a living tissue. Old bone tissue in the skeleton is constantly being renewed and replaced by new bone tissue.
Postmenopausal osteoporosis occurs in women after menopause and is when the bone starts to weaken, becomes more fragile, and fractures are more likely to occur after a fall or twist.
Osteoporosis can also affect men due to various causes, including aging and/or low levels of male hormone, testosterone.
The most likely bone fractures are those of the vertebrae, hip, and wrist, although they can occur in any bone in the body. Osteoporosis-related fractures can also cause back pain, loss of height, and a curved back. Some patients with osteoporosis may not have symptoms and may not even know they have it.
What Acrel Weekly is used for
Treatment of osteoporosis in women after menopause, even if osteoporosis is severe. Reduces the risk of vertebral and hip fractures.
Treatment of osteoporosis in men with a high risk of fractures.
Do not take Acrel Weekly
Warnings and precautions
Talk to your doctor or pharmacist before taking Acrel Weekly.
Your doctor will advise you what to do if you take Acrel Weekly and have any of the problems mentioned above.
Children and adolescents
Risedronate sodium is not recommended for use in children under 18 years due to the lack of data on safety and efficacy.
Using Acrel Weekly with other medicines
Medicines containing any of the following substances reduce the effect of Acrel Weekly when taken at the same time:
Take these medicines at least 30 minutes after taking Acrel Weekly.
Tell your doctor or pharmacist that you are using, have recently used, or might use any other medicines.
Taking Acrel Weekly with food and drinks
It is very important that you do not take Acrel Weekly with food or drinks (other than plain water) because they can interfere. In particular, do not take this medicine at the same time as dairy products (such as milk) as they contain calcium (see section 2, "Using Acrel Weekly with other medicines").
Take food and drinks (other than plain water) at least 30 minutes after Acrel Weekly.
Pregnancy and breastfeeding
Do not take Acrel Weekly if you may be pregnant, are pregnant, or plan to become pregnant (see section 2, "Do not take Acrel Weekly"). The potential risk associated with the use of risedronate sodium (the active ingredient in Acrel Weekly) in pregnant women is unknown.
Do not take Acrel Weekly if you are breastfeeding (see section 2, "Do not take Acrel Weekly").
Acrel Weekly can only be used in postmenopausal women and men.
Driving and using machines
It is unknown whether Acrel Weekly affects the ability to drive and use machines.
Acrel Weekly contains lactose
If your doctor has told you that you have an intolerance to certain sugars, consult with them before taking this medicine (see section 2, "Warnings and precautions").
Acrel Weekly contains sodium
This medicine contains less than 1 mmol of sodium (23 mg) per film-coated tablet; this is essentially "sodium-free".
Follow exactly the administration instructions of this medicine given by your doctor or pharmacist. If you are unsure, consult your doctor or pharmacist again.
The recommended dose is one 35 mg film-coated tablet of Acrel Weekly (containing 35 mg of risedronate sodium) once a week.
Choose the day of the week that best suits your schedule. Each week, take the Acrel Weekly tablet on the chosen day.
To facilitate taking the tablet on the same day each week, there are boxes on the back of the blister pack. Mark the day of the week you have chosen to take the Acrel Weekly tablet. Also, write down the dates when you will take the tablet.
When to take Acrel Weekly tablets
Take the Acrel Weekly tablet at least 30 minutes before the first food, drink of the day (except plain water) or other medicine of the day.
How to take Acrel Weekly tablets
Your doctor will tell you if you need to take calcium and vitamin supplements if the amount you get from your diet is not sufficient.
If you take more Acrel Weekly than you should
If you or someone else has accidentally taken more Acrel Weekly tablets than prescribed, drink a full glass of milk and consult a doctor.
In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, phone: 91 562 04 20, indicating the medicine and the amount taken.
If you forget to take Acrel Weekly
If you have forgotten to take the tablet on the chosen day, take it on the day you remember. And take the next tablet the following week, on the day you normally take the tablet.
Do not take a double dose to make up for the forgotten dose.
If you stop taking Acrel Weekly
If you stop treatment, you may start losing bone mass. Please consult your doctor before deciding to stop treatment.
If you have any other questions about the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Stop taking Acrel Weekly and contact your doctor immediatelyif you experience any of the following side effects:
The frequency of this side effect is unknown (cannot be estimated from the available data).
Tell your doctor as soon as possibleif you experience any of the following side effects:
Atypical fractures of the thigh bone (femur) can occur rarely, especially in patients on long-term treatment for osteoporosis. Tell your doctor if you notice pain, weakness, or discomfort in the thigh, hip, or groin, as these may be early symptoms of a possible femur fracture.
However, in clinical studies, the side effects that were observed were generally mild and did not cause the patient to stop treatment.
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)
During post-marketing use, the following have been reported:
Rarely, at the start of treatment, a decrease in phosphate and calcium blood levels has been observed in some patients.
These changes are usually small and do not cause symptoms.
Reporting 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 through the Spanish Pharmacovigilance System for Human Use Medicines: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help protect the environment.
Composition of Acrel
The active substance is risedronate sodium. Each tablet contains 35 mg of risedronate sodium, equivalent to 32.5 mg of risedronic acid.
The other ingredients are:
Tablet core: lactose monohydrate (see section 2), crospovidone A, magnesium stearate, and microcrystalline cellulose.
Film coating: hypromellose, macrogol, hydroxypropylcellulose, colloidal anhydrous silica, titanium dioxide (E171), yellow iron oxide (E172), and red iron oxide (E172).
Appearance and packaging
Acrel Weekly 35 mg film-coated tablets are oval, slightly orange tablets, 11.7 x 5.8 mm in size, with the letters "RSN" on one face and "35 mg" on the other. The tablets are packaged in blisters containing 1, 2, 4, 10, 12, or 16 tablets.
Not all pack sizes may be marketed.
Marketing authorization holder and manufacturer
The marketing authorization holder is
Theramex Ireland Limited
3rd Floor, Kilmore House,
Park Lane, Spencer Dock,
Dublin 1
D01 YE64
Ireland
The manufacturer is
Balkanpharma-Dupnitsa AD
3, Samokovsko Shosse Str.
2600 Dupnitsa
Bulgaria
Local representative:
Theramex Healthcare Spain, S.L.
Calle Martínez Villergas 52, Edificio C, planta 2ª izquierda.
28027 Madrid
Spain
This medicine is authorized in the Member States of the European Economic Area under the following names:
Spain:Acrel Weekly35 mg film-coated tablets
Sweden:Fortipan Septimum35 mg film-coated tablets
Date of last revision of this leaflet:October 2024.
Detailed and up-to-date 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 ACREL SEMANAL 35 mg FILM-COATED TABLETS in October, 2025 is around 19.84 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.