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Precose (Acarbose)

Precose is a glucosidase inhibitor. Adults who are unable to control their diabetes by diet alone are usually given this drug.
Batch Expiry Date: October 2019
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Drug Uses

Precose is used to treat type 2 diabetes in adults whose diabetes cannot be managed with diet alone. A certain enzyme turns carbohydrates into glucose. Precose slows down that enzyme. This decreases blood sugar levels following a meal.


Medication must always be taken as advised by your medical practitioner/physician. If you are unsure, then please contact your physician for precise instructions. On the other hand, the medicine label usually contains dosage instructions which also may be followed.

Precose must be taken with a meal by mouth. Do not take charcoal or digestive enzyme preparations within 2 to 4 hours before after taking Precose .

Drug Class and Mechanism

Precose falls under glucosidase inhibitor and it works by slowing down the enzyme that turns carbohydrates into glucose; this decreases blood sugar levels following a meal.

Missed Dose

You must maintain a schedule for taking the medicine at the same time each day so that you do not miss out on any doses. But, in the advent of a missed dose, take it as soon as you remember so that you can compensate for the loss of the dose.

But, then you may need to adjust your remaining doses accordingly. And if it is almost time for the next dose, then please skip the missed dose and continue with the normal schedule.

Never try to compensate for the missed dose by taking a double dose together. It may cause adverse effects.


Precose must be stored at a cool and dark place that prevents it from direct exposure to sunlight. It should also be protected from kids and pets. You can store it at room temperature between 68 and 77 degrees F (20 and 25 degrees C).


If you are allergic to any ingredient in Precose (you may check medicine label) then please do not use it without consulting your doctor.

You must also avoid using Precose if you are allergic to any ingredient in Precose;
you have blockage of the stomach or intestine or are at risk for these problems;
you have long-term (chronic) bowel inflammation, colon ulcers, or stomach or intestine problems that interfere with digestion or nutrient absorption;
you have cirrhosis of the liver or unexplained abnormal liver function tests;
you have diabetic ketoacidosis (high ketone levels) or severe kidney problems.

Ensure that your doctor is aware of your past and current medical history before you start any new treatment or medication. This must include any and all diseases that you have suffered /suffer from, all subscription and over the counter medication that you are taking, including vitamins and herbal supplements. This will help avoid a possible interaction or allergy.

In some cases, the medication might be altered or require special attention if you suffer from conditions like

if you are pregnant, planning to become pregnant, or are breast-feeding, if you are taking any prescription or if you have allergies to medicines, foods, or other substances
if you have stomach or intestinal problems, liver problems, or kidney problems.

Certain medicines may interact with this drug like Anticoagulants (eg, warfarin), Calcium channel blockers (eg, verapamil), corticosteroids (eg, prednisone), diuretics (eg, hydrochlorothiazide), estrogen, isoniazid, nicotinic acid, oral contraceptives (birth control pills), phenothiazines (eg, chlorpromazine), phenytoin, sympathomimetics (eg, pseudoephedrine), or thyroid, Insulin or sulfonylureas (eg, glyburide), Digoxin. All these drugs have different interactions with Precose.

Diabetic patients are always advised to carry an ID card on their person that mentions about their diabetic condition and Precoses they are using currently. This information may prove to be invaluable in certain scenarios.

Precose is not to be used for treating Type I diabetes.

Diabetic medications like Precose work most effectively when they are combined with lifestyle changes like regular exercise and a healthy diet.

Constant blood sugar monitoring must be carried out in diabetic patients. If you find that your blood sugar levels are not improving despite using Precose, then contact your physician immediately.

If you are experiencing rapid heartbeats, vision changes, headaches, chills, or tremors, hunger, then please note that these are signs of low blood sugar. This is a common situation that can be avoided by consuming all meals and medications on time. Never skip a meal or a dose of medication.

Also quickly consuming a source of sugar (table sugar, honey, candy, orange juice, or non–diet soda) is the first aid for low blood sugar. Consume it and then seek medical attention.

If you are planning to have a baby or are pregnant already then you must seek advice from your doctor before using Precose. Discuss the effects and possible risks that Precose usage may have on the unborn baby.

If you are breast feeding your child, then too seek medical advice before using Precose. Some drugs may be excreted in the breast milk and may harm the baby.
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