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  3. Semabrex 4mg Injection

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Quick summary
Quick Summary

Semabrex 4mg Injection

Prescription Required
Cold Chain Required
semaglutide
Written By:Naina BoruahMSc Biomedical Science Reviewed By:Dr. Tejashwin AdigaMBBS

Last updated on 01 Oct 2026 | 05:03 AM (IST)

₹1173

MRP: ₹1290

(You Save ₹117)

1 VIAL(s)

9% OFF
Semabrex 4mg Injection
Preview
4.8 ⭐️ On Google

Semabrex 4mg Injection


Prescription Required
Required
Cold Chain Required
Cold Chain
Info

Salt Composition

SEMAGLUTIDE

Marketer

NATCO PHARMA LTD


Prepaid Only. Non-Returnable.

Info

9% OFF

Semabrex 4mg Injection
Preview
We are Rated 4.8 ⭐️ On Google

₹1173

MRP: ₹1,290.00

Inclusive of all taxes

9% Off

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1 Vial(s)

1 Vial(s)

₹ 293.3/Unit

1 VIAL(s)


Prescription Required
Prescription Required
Cold Chain Required
Cold Chain
Info

Salt Composition

SEMAGLUTIDE

Marketer

NATCO PHARMA LTD


Prepaid Only. Non-Returnable.

Info
Dispatch Date Icon

Dispatch: Today

Care delivered without the wait. Your order is prioritized for rapid dispatch to ensure it reaches your doorstep on time.

Substitutes

Semafull 4mg Injection

NATCO PHARMA LT...

₹ 293.25/injection

0% cheaper

Semanat 4mg Injection

NATCO PHARMA LT...

₹ 293.25/injection

0% cheaper

Sundae 4mg Injection Vial

ERIS LIFESCIENC...

₹ 294.50/injection

1% costlier

GLIPIQ 4mg Injection

GLENMARK PHARMA...

₹ 295.50/injection

1% costlier

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Introduction

Semabrex 4 mg/3 mL Injection contains semaglutide 4 mg in 3 mL. It is supplied as a multi-dose vial for subcutaneous use and is intended to be administered once weekly as directed by the doctor.

Semaglutide is a GLP-1 receptor agonist that helps improve blood glucose control in people with type 2 diabetes mellitus. The Semabrex pack contains one vial along with four disposable syringes and four alcohol swabs.

Uses of Semabrex 4 mg/3 mL

Semabrex may be used for:

  • Improving blood glucose control in adults with type 2 diabetes mellitus

  • Managing type 2 diabetes along with diet and exercise

The doctor decides the appropriate dose and duration of treatment.

How Semabrex 4 mg/3 mL Works

Semabrex contains semaglutide, which mimics the action of GLP-1, a hormone involved in blood glucose regulation.

It stimulates insulin release when blood glucose levels are elevated and reduces glucagon secretion. It also slows gastric emptying and can reduce appetite. These effects help improve blood glucose control.

Interactions of Semabrex 4 mg/3 mL with Other Medicines

Tell your doctor about all medicines you take before starting Semabrex.

  • Insulin or sulfonylureas: Using semaglutide with these medicines can increase the risk of low blood sugar. Their doses may need adjustment.

  • Oral medicines: Semaglutide can delay gastric emptying and may affect the absorption of some medicines taken by mouth.

  • Warfarin or other coumarin medicines: Your doctor may recommend closer monitoring of blood clotting when semaglutide treatment is started.

  • Other semaglutide-containing medicines or GLP-1 receptor agonists: Do not use them together with Semabrex unless specifically advised by your doctor.

Storage Conditions

  • Store Semabrex in a refrigerator at 2°C to 8°C.

  • Do not freeze.

  • After first use, the semaglutide injection vial can be stored for 42 days when kept at a temperature not exceeding 30°C or refrigerated at 2°C to 8°C.

  • Protect the vial from heat and light.

  • Keep it out of reach of children.

  • Dispose of the vial after the applicable 42-day period following first use.

How to Use

  • Semabrex is administered as a subcutaneous injection.

  • The pack states that it is administered once weekly.

  • Use the dose prescribed by your doctor.

  • The product is supplied as a multi-dose vial.

  • Use the disposable syringe supplied with the pack as instructed by your doctor or healthcare professional.

  • The pack contains one vial, four disposable syringes and four alcohol swabs.

  • Do not reuse a disposable syringe or share your syringe with another person.

  • Do not change the dose or injection frequency on your own.

  • Follow the instructions provided with the product for handling and administration.

Safety Advice

Pregnancy-Unsafe

Pregnancy

Unsafe

Semaglutide should not be used during pregnancy. If you are planning a pregnancy, speak to your doctor. Semaglutide should be stopped at least 2 months before a planned pregnancy.

Breast Feeding-Consult Your Doctor

Breast Feeding

Consult Your Doctor

Tell your doctor if you are breastfeeding before using Semabrex. Your doctor will decide whether treatment is appropriate.

Lungs-Consult Your Doctor

Lungs

Consult Your Doctor

Tell your doctor if you have a lung condition or are scheduled for general anaesthesia or deep sedation. Semaglutide can delay gastric emptying and may increase the risk of aspiration during such procedures.

Liver-Consult Your Doctor

Liver

Consult Your Doctor

Tell your doctor if you have liver disease before using Semabrex. Your doctor will determine whether it is suitable for you.

Alcohol-Consult Your Doctor

Alcohol

Consult Your Doctor

Alcohol can affect blood glucose control and may worsen gastrointestinal symptoms such as nausea and vomiting. Discuss alcohol consumption with your doctor.

Driving-Safe

Driving

Safe

Semaglutide does not usually affect driving ability. However, low blood sugar may affect your ability to drive safely, particularly when Semabrex is used with insulin or a sulfonylurea.

Side Effects

Semabrex may cause gastrointestinal side effects, particularly when treatment is started or the dose is increased.

Common side effects

  • Nausea

  • Vomiting

  • Diarrhoea

  • Constipation

  • Abdominal pain

  • Decreased appetite

  • Indigestion

  • Headache

  • Dizziness

Serious side effects

Contact your doctor promptly if you develop:

  • Severe or persistent abdominal pain, which may indicate pancreatitis

  • Persistent vomiting or diarrhoea with signs of dehydration

  • Symptoms of low blood sugar, particularly when using insulin or a sulfonylurea

  • Sudden changes in vision

  • Symptoms of a serious allergic reaction, such as swelling of the face or throat or difficulty breathing

  • Severe abdominal pain that may indicate gallbladder problems.

Expert Tips

  • Use Semabrex exactly as prescribed by your doctor.

  • Take your injection on the same day each week.

  • Use the disposable syringe supplied with the product as directed.

  • Do not reuse or share a disposable syringe.

  • Rotate injection sites as instructed by your healthcare professional.

  • Do not change the prescribed dose or injection frequency yourself.

  • Keep the vial refrigerated at 2°C to 8°C before use.

  • After first use, keep the vial according to the stated storage conditions and discard it after 42 days.

  • Tell your doctor if you use insulin or a sulfonylurea because your risk of low blood sugar may increase.

  • Inform your doctor if you have a history of pancreatitis, gallbladder disease, diabetic eye disease or severe gastrointestinal problems.

FAQs

Q1.

What is Semabrex 4 mg/3 mL Injection used for?

Semabrex contains semaglutide and is used to improve blood glucose control in adults with type 2 diabetes mellitus, along with diet and exercise.

Q2.

What type of injection is Semabrex 4 mg/3 mL?

Semabrex is a multi-dose vial containing semaglutide 4 mg in 3 mL. It is intended for subcutaneous use.

Q3.

How often is Semabrex given?

The Semabrex injection is administered once weekly. Your doctor will decide the appropriate dose.

Q4.

How many syringes are supplied with Semabrex?

The pack contains one vial, four disposable syringes and four alcohol swabs.

Q5.

How should Semabrex be stored after first use?

After first use, the vial can be stored for 42 days at a temperature not exceeding 30°C or in a refrigerator at 2°C to 8°C. It should be protected from heat and light.

Q6.

Can Semabrex 4 mg/3 mL cause low blood sugar?

Semaglutide alone has a low risk of causing low blood sugar. The risk is higher when it is used with insulin or sulfonylureas.

Q7.

Can Semabrex be used with insulin?

Semabrex may be prescribed with insulin, but using them together can increase the risk of low blood sugar. Your doctor may adjust the insulin dose.

Q8.

What should I do if I miss a dose of Semabrex?

Follow the missed-dose instructions provided by your doctor or with the product information. Do not take an extra dose to make up for a missed injection.

Q9.

What should I tell my doctor before using Semabrex?

Tell your doctor if you are pregnant, planning pregnancy or breastfeeding, or if you have pancreatitis, gallbladder disease, diabetic eye disease, kidney or liver disease or severe gastrointestinal problems. Also provide a list of all medicines and supplements you take.

Fact Box

Molecule name

Semaglutide

Therapeutic class

Antidiabetic medicine

Pharmacological class

GLP-1 receptor agonist

Indications

Type 2 diabetes mellitus

References

  1. https://www.medicines.org.uk/emc/product/9750/smpc

  2. https://www.medicines.org.uk/emc/product/13801/smpc

Disclaimer

MrMed’s primary intention is to ensure that its consumers get information that is reviewed by experts, accurate and trustworthy. The information and contents of this website are for informational purposes only. They are not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please seek the advice of your doctor and discuss all your queries related to any disease or medicine. Do not disregard professional medical advice or delay in seeking it because of something you have read on MrMed. Our mission is to support, not replace, the doctor-patient relationship.

Did you find this information helpful?

Author Details
Naina Boruah

Written By

Naina Boruah

MSc Biomedical Science


Dr. Tejashwin Adiga

Reviewed By

Dr. Tejashwin Adiga

MBBS


Last updated : 01 Oct 2026 | 05:03 AM (IST)

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Want to know more?
Read Our Editorial Policy

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