Patient Information Leaflet: Information for the Patient
Acarbosa Viatris 50 mg tablets
Read this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the pack:
The active substance of this medicine is acarbosa, which belongs to a group of medicines called alpha-glucosidase inhibitors. It is used to treat adults with non-insulin-dependent diabetes mellitus (type 2 diabetes). Your doctor may prescribe acarbosa when diet and exercise alone are not enough to control your blood sugar levels. Acarbosa works by slowing down the digestion of carbohydrates (complex sugars) after each meal, which reduces blood sugar levels.
Do not take Acarbosa Viatris:
Warnings and precautions
Talk to your doctor or pharmacist before taking acarbosa if you have had a gastric resection.
During treatment
If you notice fatigue, nervousness, and tremors, and have a rapid heartbeat, cold sweating, and an urgent need to eat while taking this medicine, you may have low blood sugar levels (hypoglycemia). You should take glucose as soon as possible to avoid worsening symptoms. If your blood sugar levels continue to decrease, you may experience significant mental confusion (delirium), convulsions, loss of self-control, shallow breathing, decreased pulse, and you may lose consciousness. Because acarbosa delays the absorption of sucrose, do not take sucrose or artificial sweeteners. You can find glucose tablets, syrups, or candies at the pharmacy.
If you suffer from persistent constipation, decreased appetite, stomach bloating, and vomiting, you may have an intestinal obstruction. You should contact your doctor or go to the nearest emergency room immediately.
You should regularly check your blood and urine sugar levels.
Your doctor may need to check your liver function frequently, especially in the first 6-12 months of treatment.
You should continue to follow any dietary advice given by your doctor and make sure to eat carbohydrates regularly throughout the day.
Children and adolescents
Because the information available on the effects and tolerability in children and adolescents under 18 years is still insufficient, it is not recommended to take Acarbosa Viatris 50 mg in patients under 18 years.
Taking Acarbosa Viatris with other medicines
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.
Acarbosa may alter the effect of other medicines, or alternatively, some medicines may alter the effect of acarbosa.
Taking Acarbosa Viatris with food and drinks
Sucrose (cane sugar) and foods containing sucrose can cause stomach upset or even diarrhea due to the fermentation of carbohydrates in the colon during treatment with acarbosa.
Pregnancy and breastfeeding
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.
Do not take acarbosa if you are pregnant or breastfeeding.
It is not known if acarbosa is present in breast milk.
Driving and using machines
Taking acarbosa alone (monotherapy) does not cause low blood sugar levels (hypoglycemia) and therefore does not affect your ability to drive or operate machines.
Taking acarbosa in combination with other medicines called sulfonylureas, insulin, or metformin for the treatment of diabetes may cause hypoglycemia and therefore affect your ability to drive and operate machines or work safely. Do not drive or operate machines if you feel affected.
Follow exactly the administration instructions of this medicine given by your doctor or pharmacist. Ask your doctor or pharmacist if you have any questions.
Unless your doctor tells you otherwise, the recommended dose is:
Adults
Take one Acarbosa Viatris 50 mg tablet three times a day (corresponding to 150 mg daily).
To reduce the possibility of stomach upset, some patients may start with one Acarbosa Viatris 50 mg tablet one or two times a day (corresponding to 50 mg or 100 mg daily). Your doctor may gradually increase the dose as needed up to 2 Acarbosa Viatris 50 mg tablets or 1 Acarbosa Viatris 100 mg tablet three times a day (corresponding to 300 mg daily). The maximum recommended dose is 2 Acarbosa 100 mg tablets three times a day (corresponding to 600 mg per day).
The tablets can be taken whole with a glass of water immediatelybefore a meal or chewed with the first bite of food.
The score line on the 50 mg tablet is only to help you break the tablet if you have difficulty swallowing it whole.
If you take more Acarbosa Viatris than you should
You may notice side effects such as stomach bloating, strong flatulence, or diarrhea if you have taken acarbosa with drinks or foods that contain carbohydrates. In this case, do not eat or drink foods or drinks that contain carbohydrates for the next 4 to 6 hours. Contact your doctor, 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 packaging and the leaflet of the medicine to the healthcare professional.
If you forget to take Acarbosa Viatris
Do not take a double dose to make up for forgotten doses. Take the next dose with your next meal.
If you stop taking Acarbosa Viatris
If you stop taking Acarbosa Viatris suddenly, your blood sugar levels may increase. Talk to your doctor before stopping this medicine.
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.
If you experience any of the following side effects, stop taking this medicine and contact your doctor or go to the emergency room immediately:
Other possible side effects:
Very common (may affect more than 1 in 10 people):
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Common (may affect up to 1 in 10 people):
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These side effects usually occur after eating foods that contain sugar (sucrose). You can reduce the symptoms by avoiding foods and drinks that contain sugar (sucrose, cane sugar). If your diarrhea does not disappear, your doctor may reduce the dose or, in some cases, stop the treatment. Do not take remedies to relieve indigestion as treatment for the above side effects, as they may worsen the symptoms.
Uncommon (may affect up to 1 in 100 people):
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Rare (may affect up to 1 in 1,000 people):
Not known(frequency cannot be estimated from the available data)
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Additionally, side effects such as liver disorder, abnormal liver function, and liver damage have been reported, especially in Japan. Individual cases of a type of rapid and fatal liver disease have been reported in Japan, but it is not clear if they are due to the administration of acarbosa.
Reporting of side effects
If you experience any side effects, talk to your doctor or pharmacist, even if it is possible side effects not listed in this leaflet. You can also report side effects directly through the Spanish Medicines Monitoring 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 out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the packaging and on the blister, after ‘EXP’. The expiry date is the last day of the month stated.
Do not store above 25°C. Store in the original packaging to protect from moisture.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. Dispose of the packaging and any unused medicine in the SIGRE collection point at your pharmacy. This will help protect the environment.
Composition of Acarbosa Viatris
The active substance is acarbosa. Each tablet contains 50 mg of acarbosa.
The other ingredients are microcrystalline cellulose (E460), corn starch, colloidal anhydrous silica (E551), and magnesium stearate (E572).
Appearance and packaging of Acarbosa Viatris
The tablets are white to off-white, round, marked with “AA (score line) 50” on one side and “G” on the other.
Acarbosa Viatris is available in blister packs containing 20, 21, 30, 40, 50, 90, 100, 105, 120, and 180 tablets, and multi-packs containing 105 (3 packs of 35) tablets.
Not all pack sizes may be marketed.
Marketing authorisation holder
Viatris Limited
Damastown Industrial Park
Mulhuddart, Dublin 15
Dublin
Ireland
Manufacturer
McDermott Laboratories Ltd. t/a Gerard Laboratories
35/36 Baldoyle Industrial Estate. Grange Road (Dublin) – 13 – Ireland
or
Mylan Hungary Kft
H-2900 Komárom
Mylan utca 1
Hungary
You can request more information about this medicine by contacting the local representative of the marketing authorisation holder:
Viatris Pharmaceuticals, S.L.U.
C/ General Aranaz, 86
28027 - Madrid
Spain
This medicine is authorised in the Member States of the EEA under the following names:
Czech Republic Akarboza Mylan
Germany Acarbose dura 50 mg Tabletten
Hungary Acarbose Mylan 50 mg tablet
Italy Acarphage
Poland AcarGen
Portugal Acarbosa Mylan
Spain Acarbosa Viatris 50 mg tablets
Date of last revision of this leaflet: February 2018
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 ACARBOSA VIATRIS 50 mg TABLETS in October, 2025 is around 7.65 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.