What is glucose?


Generic Name: Glucose Brand Name(s): Generics only. No brands available.

Know the basics

What is glucose used for?

Glucose is used for:

Providing fluids containing various amounts of sugars to your body when you are not able to drink enough liquids or when additional fluids are needed. It may also be used as a way to give other injectable medicines.

Glucose is a sterile solution injected intravenously (IV, into the vein).

How should I take glucose?

Use Glucose as directed by your doctor. Check the label on the medicine for exact dosing instructions.

Glucose is usually administered as an injection at your doctor’s office, hospital, or clinic. If you are using Glucose at home, carefully follow the injection procedures taught to you by your health care provider.

Keep this product, as well as syringes and needles, out of the reach of children and away from pets. Do not reuse needles, syringes, or other materials. Dispose of properly after use. Ask your doctor or pharmacist to explain local regulations for proper disposal.

If Glucose contains particles or is discolored, or if the vial is cracked or damaged in any way, do not use it.

Do not administer through the same intravenous set at the same time as blood.

If you miss a dose of Glucose, contact your doctor immediately.

Ask your health care provider any questions you may have about how to use Glucose.

How do I store glucose?

Glucose is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store glucose in the bathroom or the freezer. There may be different brands of glucose that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush glucose down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Know the precautions & warnings

What should I know before using glucose?

Before using this medication, tell your doctor if:

  • you are allergic to any ingredient in glucose gel.

Is it safe to take glucose during pregnancy or breast-feeding?

There are no adequate studies in women for determining risk when using this medication during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking this medication. This medication is pregnancy risk category C according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk,
  • B=No risk in some studies,
  • C=There may be some risk,
  • D=Positive evidence of risk,
  • X=Contraindicated,
  • N=Unknown

Know the side effects

What are the side effects of glucose?

 All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Increased urination; pain, redness, or swelling at injection site.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; muscle twitching; seizures; swelling of the hands or feet; weakness.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.

Know the interactions

What drugs may interact with glucose?

Glucose may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Glucose increases blood glucose levels and reduces the effect of diabetes medications.

Does food or alcohol interact with glucose?

Glucose may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with glucose?

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco, especially:

  • if you are in a coma (caused by diabetes or liver complications);
  • if you have confusion, memory problems, or bleeding in your head or spine;
  • if you have diabetes or high levels of galactose in the blood.

Understand the Dosage

The information provided is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist before using this medication.

What is the dose of Glucose for an adult?

Oral glucose tolerance test
Adult: Take fasting plasma glucose, then admin 75 g of oral anhydrous glucose. A second plasma glucose level is taken 2 hr after oral glucose load.
Adult: Give 15-20 g glucose orally, response to glucose treatment should be apparent in 10-20 min. Test plasma glucose in 60 min time as further treatment may be needed.
Fluid depletion
Adult: Glucose 5% solution administered via the peripheral vein.
Carbohydrate depletion
Adult: Glucose >5% solution, usually admin via a central vein.
Severe hypoglycaemia
Adult: Glucose 50% solution admin via the central vein.

What is the dose of Glucose for a child?


Dilute before intravenous administration, may give more concentrated solution peripherally in emergency (ie, 12.5-25%)

Less than 6 months

0.25-0.5 g/kg/dose (1-2 mL/kg/dose of 25% solution) intravenous; not to exceed 25 g/dose

Infants greater than 6 months and Children

0.5-1 g/kg up to 25 g (2-4 mL/kg/dose of 25% solution) intravenous; not to exceed 25 g/dose


intravenous: 10-25 g (ie, 20-50 mL 50% solution or 40-100 mL of 25%)

Oral: 4-20 g as a single dose; may repeat after 15 min if self-monitoring of blood glucose shows continued hypoglycemia

How is glucose available?

Glucose is available in the following dosage forms and strengths:

Chewable Tablet: 1 gm, 4 gm, 5 gm; Tablet: 4 gm,;

Oral Gel/Jelly: 15 gm;

Intravenous solution/Injection: 2.5 %, 5 %, 10 %, 20 %, 25 %, 30 %, 40 %, 50 %, 70 %

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of glucose, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

You might also like