Miglitol (Oral)

Miglitol is a medication used for the treatment of type 2 diabetes, acting as a way to reduce sugar in the blood. In type 2 diabetics, sugar cannot be reduced in the blood by the body, and this medication acts to perform this reduction when the body cannot.


This medication is primarily a treatment for patients who have type 2 diabetes. Miglitol treats high blood sugar caused by this illness, as this type of disease impacts the body's capability to reduce the level of sugar in the blood.

In people without type 2 diabetes, the pancreas acts to release insulin to store excess sugar for use later. This is a process that occurs during the normal digestion of food. However, in patients with this form of diabetes, the body can't store this excess of sugar, resulting in an increased level of sugar in the bloodstream.

High blood sugar can cause many issues and health conditions over time, especially if this condition is maintained for a long amount of time. A proper diet that is recommended for patients with type 2 diabetes is an important factor in managing this form of diabetes, but medication is also required to help maintain a healthy body.

Miglitol acts alongside a controlled diet to slow down the digestion of sugars in the digestion process. This action allows the body more time to store excess sugar in the body. In addition to this medication, other drugs may be used, such as Sulfonylurea, in combination. This medication can further aid a patient's body in storing sugar.

Miglitol and other related medications can only be prescribed by a relevant medical professional or doctor, under the right circumstances.

Conditions Treated

  • High blood sugar

Type Of Medicine

  • Tablet

Side Effects

When taking Miglitol, you may experience side effects. This is a result of how this medication acts on the body. In the majority of cases, the side effects that occur as a result of taking this medicine do not require attention from a medical professional.

It may be that the side effects related to this medicine go away as your body becomes used to this treatment or will reduce over time. If you do experience any troublesome symptoms, or your side effects late longer than expected, then you can consult a medical professional or doctor to discuss how to lessen or get rid of these conditions.

Should you experience any of the following effects, you can speak to your doctor to query the existence or continuation of any of the below-listed symptoms:

  •  Stomach or abdomen pain
  •  Soft stools
  •  Skin rash
  •  Passing gas
  •  Loose stools
  •  Increase in number of bowel movements
  •  Feeling of excess air or gas in stomach or intestines
  •  A bloated full feeling

The side effects of Miglitol that are listed above are chosen because of their relevance to this medication, and the listing of the effects depend on the likelihood of their occurrence. However, this does not mean that additional side effects will not happen to you during the time you take this drug.

Should you notice any unusual or unexpected side effects, first and foremost you should contact your medical doctor for support and advice. Following this, you can report any side effects directly to the FDA at 1-800-FDA-1088.


Miglitol is prescribed as a medication for the treatment of diabetes type 2 in adults. The following is the average dosage prescribed for this medication. However, it is important that you always follow the dosage instructions prescribed by your doctor, and never to change your dosage unless otherwise told to by a medical professional. Your dose will be individually altered and prescribed based on your efficacy and tolerability.

Standard initial dose of Miglitol: 25 mg taken orally three times a day

After 4-8 weeks following this initial treatment, your prescribed dose may increase to 50 mg per dose, and following three further months this dose may increase to 100 mg per dose. This dosage increase is based on the glycosylated haemoglobin level of each patient, and this dose may be continued for maintenance, or reduced back to 50 mg per dose.

Miglitol is designed to be taken orally at the start of the main meal, within the first mouthful. This medicine should be used alongside a prescribed and followed a diabetic diet to minimize the potential GI side effects. Diet and exercise are essential additions to this health plan, as Miglitol alone cannot offer significant change to the health of a patient with type 2 diabetes.


Miglitol as a medication for type 2 diabetes has multiple listed interactions for a variety of different medications. Often, many types of medications can result in interaction occurring between the two drugs within the patients' system.

However, despite the fact the many medications are not scientifically viable to use together without interaction, it may be the case that taking two medications together that interact with one another is the best form of treatment for a patient, despite potential side effects.

This decision will be measured and made by a trained medical professional or doctor to ensure that you receive the best possible care for your condition. Depending on the requirement of taking these two medicines, your doctor may do their best to reduce or avoid any interactions by altering doses, changing times you take medications or even the way you take certain drugs. These precautions may lessen interaction, but not prevent it from occurring.

The medicines that interact with Miglitol are listed below based on their significance and relevance, but may not include every drug that causes interaction with this medicine:

  •  Tosufloxacin
  •  Thioctic Acid
  •  Sparfloxacin
  •  Rufloxacin
  •  Prulifloxacin
  •  Pefloxacin
  •  Pazufloxacin
  •  Pasireotide
  •  Ofloxacin
  •  Octreotide
  •  Norfloxacin
  •  Nadifloxacin
  •  Moxifloxacin
  •  Lomefloxacin
  •  Levofloxacin
  •  Lanreotide
  •  Gemifloxacin
  •  Gatifloxacin
  •  Flumequine
  •  Fleroxacin
  •  Enoxacin
  •  Ciprofloxacin
  •  Besifloxacin
  •  Balofloxacin

In addition to the above interactions, Miglitol may have other types of medicine interaction that can increase the level of risk of certain types of side effects but is less problematic than other interactions. Depending on your requirement for these medications together, your doctor may be able to decide alternatives or prevention techniques that allow you to take these medications together.

Should you take any of the below-listed medications alongside Miglitol, ensure your doctor is informed of your combination of prescribed medications to reduce the potential for risk:- Timolol

  •  Sotalol
  •  Psyllium
  •  Propranolol
  •  Practolol
  •  Pindolol
  •  Penbutolol
  •  Oxprenolol
  •  Nebivolol
  •  Nadolol
  •  Metoprolol
  •  Metipranolol
  •  Levobunolol
  •  Labetalol
  •  Guar Gum
  •  Glucomannan
  •  Esmolol
  •  Digoxin
  •  Celiprolol
  •  Carvedilol
  •  Carteolol
  •  Bitter Melon
  •  Bisoprolol
  •  Betaxolol
  •  Atenolol
  •  Acebutolol

In addition to direct interaction with other forms of medication, certain drugs may cause side effects or problems when taken at or around the time of food, or with certain food groups or types. Food, alongside tobacco and alcohol, can have a direct effect on the effectiveness and quality of medication that your body receives. Miglitol does not have any known interaction with these substances, but it is important to inform your doctor how the use of food, tobacco and alcohol will affect your medication.

Certain medical conditions or problems can also have a direct impact on the suitability and effectiveness of Miglitol that you receive. These conditions may result in serious side effects or illness, and as such, all medical conditions should be discussed with your doctor before being prescribed Miglitol as a viable medication. The following medications are known to affect the use of this medicine directly:

  •  Other intestinal problems
  •  Kidney disease
  •  Intestinal blockage
  •  Inflammatory bowel disea
  •  Digestion problems


When you are prescribed Miglitol, it is important that your doctor has the opportunity to regularly check your progress, especially in the first weeks of taking this medication. This ensures that your dosage and type of medication is correct for you and suitable to continue using long term.

When taking Miglitol, it's important that you follow any and all instructions you are provided upon beginning this course of medication. The following factors should be considered carefully when taking this medication

  • Alcohol consumption may result in low blood sugar, and the use of this should be discussed with a medical professional before beginning treatment.
  • Your healthcare team should be aware of any and all other medications that you are prescribed in addition to Miglitol. This does not only apply to prescribed medication; your doctor should be informed of all drugs you are taking, including but not limited to over the counter drugs, herbal medicines and vitamins.
  • Full understanding and preparation are key when understanding the full requirements and health limitations of type 2 diabetes. This may include special support and counselling for the patient and family members on anything from lifestyle changes, diet and medication requirements through to contraception.
  • When travelling, ensure that you keep an up to date prescription and a full copy of your medical history with you at all times. This ensures that should you fall ill, you'll receive the required care as quickly and efficiently as possible. When it comes to altering your diet or meal times depending on time zones or travel requirements, ensure that you factor your medication into these times.
  • Ensure that you are prepared for an emergency at all times. Should you need support or urgent healthcare in regards to your illness, it's important that a medical professional can know your current health as soon as they can. Wearing an ID bracelet or necklace, or carrying an ID card, are effective ways to ensure you receive the correct help as quickly as possible.
  • When taking Miglitol, it's important that you're aware of all the symptoms associated with hypoglycemia, or low blood sugar, a condition associated with type 2 diabetes. The symptoms to watch out for include but is not limited to:
  •  Unusual tiredness or weakness
  •  Slurred speech
  •  Shakiness
  •  Restless sleep
  •  Nightmares
  •  Nervousness
  •  Nausea
  •  Headache
  •  Fast heartbeat
  •  Excessive hunger
  •  Drunken behavior without drinking alcohol
  •  Drowsiness
  •  Difficulty in thinking
  •  Cool, pale skin
  •  Confusion
  •  Cold sweats
  •  Blurred vision
  •  Anxiety

As a medication, Miglitol does not act as a cause of low blood sugar. However, if you have type 2 diabetes, low blood sugar can occur should you miss a meal or snack. This condition may also occur if you drink alcohol, suddenly increase your level of exercise or find yourself unable to eat. Symptoms associated with low blood sugar should be treated before they become worse, as this could lead to unconsciousness. Not every person feels the same symptoms when they experience low blood pressure, so it is important that you are aware of your indicators of this condition.

Should you experience your indicators of low blood sugar, there are several things you can do. This can include drinking fruit juice, eating glucose tablets, or honey. Taking regular soft drinks or table sugar will not alleviate these symptoms. You can check the level of sugar in your blood. Depending on this level, Glucagon can be used as an emergency precaution should more severe or advanced conditions occur such as seizure or unconsciousness. This emergency medicine is available as a syringe or a needle, and both yourself and those around you should be trained in how to use this drug.

As well as low blood sugar, patients with type 2 diabetes may experience hyperglycemia or high blood sugar. The symptoms of this condition include:

  •  Unusual thirst
  •  Unconsciousness
  •  Troubled breathing
  •  Tiredness
  •  Stomachache
  •  Nausea, or vomiting
  •  Loss of appetite
  •  Ketones in urine
  •  Increased urination
  •  Fruit-like breath odor
  •  Flushed, dry skin
  •  Dry mouth
  •  Drowsiness
  •  Blurred vision

Symptoms of high blood sugar are more likely to occur if you suddenly reduce your level of exercise, suffer from a fever or infection, do not take enough sugar or skip a dose of your medications. Overeating and not following your meal plan can also result in this condition. Should the above conditions occur, contact a medical professional immediately for support.


Store Miglitol in a closed container at room temperature at all times. This medicine should be kept away from heat, direct light and moisture. Never freeze this medicine.

Keep Miglitol out of the reach of pets and children at all times.It is never recommended to keep medicine longer than its use by date. Speak to your doctor or a pharmacist to discuss the best way to dispose of this medication.


Miglitol is a medicine that is in the treatment of high blood sugar, that is caused by type 2 diabetes. In a body without diabetes, the pancreas releases the right level of insulin to store any excess sugar in the blood. In patients with type 2 diabetes, the body does not function properly to store this excess sugar, and it remains in the bloodstream.

Continuous or ongoing high blood pressure can cause serious conditions or issues over time. A proper diet and exercise routine in addition to regulating medication is key for patients managing type 2 diabetes.

Miglitol acts to slow this digestion of sugars by the digestive system. This gives the body additional time for storage, allowing the body to function as it should. Other medications are often prescribed alongside Miglitol for the management of this condition.