Januvia (Sitagliptin)

Complete patient guide for uses, dosage, side effects, and safety information

Prescription Required

Quick Facts

Generic Name
sitagliptin
Drug Class
DPP-4 inhibitors
Used For
Lowering blood sugar levels in adults with type 2 diabetes mellitus
How Taken
Oral tablet once a day, with or without food

What Is Januvia Used For?

Januvia is a medication that helps manage blood sugar levels in adults diagnosed with type 2 diabetes mellitus.

Primary Uses

It is primarily used to lower blood sugar levels in adults with type 2 diabetes, either alone or in combination with other diabetes medications.

How It Works

Januvia works by inhibiting the enzyme DPP-4, which increases levels of incretin hormones, leading to reduced blood sugar levels.

Good to know: Januvia is not addictive.

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How to Take Januvia

Januvia should be taken as prescribed by your doctor, typically once a day.

Dosage Instructions

The usual dosage is once daily, with or without food. If you have kidney issues, your doctor may adjust your dose.

What If You Miss a Dose?

If you miss a dose, take it as soon as you remember. If it's close to your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose.

Important: Never double the dose to make up for a missed one.

Available Tablet Strengths

25mg
25mg Tablet Pink, Round • 221
50mg
50mg Tablet Light beige, Round • 112
100mg
100mg Tablet Beige, Round • 277

Side Effects

Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.

Common Side Effects

These side effects occur relatively frequently and usually don’t require emergency care:

  • Signs of respiratory infections such as runny nose, sore throat, cough, headache, and flu-like symptoms
  • Stomach discomfort, vomiting, diarrhea, or constipation
  • Muscle aches or joint pain
  • Itching or skin blisters

Seek immediate medical attention if you experience:

  • Allergic reactions including rash, hives, and swelling of the face, lips, tongue, or throat
  • Severe stomach pain, possibly indicating pancreatitis
  • Low blood sugar when combined with sulfonylureas or insulin
  • Severe skin blistering or erosion
  • Kidney problems that may require dialysis

Important Warnings

There are several important warnings to consider before taking Januvia.

Who Should Not Take Januvia

Do not take Januvia if you are allergic to sitagliptin or any of its ingredients.

Medical Conditions to Discuss

Discuss with your doctor if you have a history of type 1 diabetes, diabetic ketoacidosis, or any kidney problems.

Pregnancy and Breastfeeding

Januvia is not recommended during pregnancy or while breastfeeding. Consult your doctor if you are pregnant or plan to become pregnant.

Drug Interactions

Some medications may interact with Januvia and affect its effectiveness.

  • Sulfonylureas
  • Insulin

Alcohol & Driving

There are no specific warnings regarding alcohol consumption or driving while taking Januvia.

Alcohol

No specific alcohol warnings were mentioned.

Driving and Operating Machinery

There is no information suggesting that Januvia affects your ability to drive or operate machinery.

Storage

Store Januvia in its blister pack in a cool, dry place below 25°C, away from moisture, heat, and sunlight.

Overdose Information

If you suspect an overdose of Januvia, seek immediate medical attention by contacting your doctor or going to the nearest emergency department.

Frequently Asked Questions

Januvia starts to lower blood sugar levels shortly after taking it, but the full effect may take several weeks.

Yes, you can take Januvia with or without food.

No, Januvia is not considered addictive.

Do not stop taking Januvia suddenly without consulting your doctor, as it may affect your blood sugar control.

There are no specific warnings about alcohol consumption while taking Januvia, but it's best to consult your doctor.

Januvia is not known to cause weight gain; in fact, it may help with weight management.

Elderly patients should consult their doctor before taking Januvia, especially if they have other medical conditions.

If you miss a dose, take it as soon as you remember, but skip it if it's almost time for your next dose.

Important Disclaimer

This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.

If you think you may have a medical emergency, call your doctor or emergency services immediately.

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