



Syntropac 250mcg Injection
Tetracosactide (250mcg)
Authenticity Assured
required
Stored between 2-8°C
Syntropac 250mcg Injection serves as a diagnostic agent for Addison’s disease. It is injected into the body as an injection and this helps to treat the patient accordingly.
Written By Dr. Syeda Aafia, MBA, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 08 Aug 2026 | 01:09 AM (IST)
Written By Dr. Syeda Aafia, MBA, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 08 Aug 2026 | 01:09 AM (IST)
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General Information
Contains
Tetracosactide (250mcg)
Marketer
Sun Pharmaceutical Industries Ltd
Storage
Store in a refrigerator (2 - 8°C). Do not freeze.
The content is shown in English




Product introduction
This medicine is administered by a trained healthcare professional. Some side effects of this agent include hypersensitivity, psychological disturbances, increased intraocular pressure, salt and water retention. Let the doctor know if any of these bother you or do not go away.
Uses of Syntropac Injection
Benefits of Syntropac Injection
Addison's disease
Addison's disease, also called adrenal insufficiency, is an uncommon disorder that occurs when your body doesn't produce enough of some very essential hormones required for various body functions. Syntropac 250mcg Injection serves as a diagnostic agent to determine the levels of these hormones. This helps the doctor to assess the patient’s condition and plan the treatment.
Addison's disease, also called adrenal insufficiency, is an uncommon disorder that occurs when your body doesn't produce enough of some very essential hormones required for various body functions. Syntropac 250mcg Injection serves as a diagnostic agent to determine the levels of these hormones. This helps the doctor to assess the patient’s condition and plan the treatment.
Side effects of Syntropac Injection
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Syntropac
- Limited data available
How to use Syntropac Injection
Your doctor or nurse will give you this medicine. Kindly do not self administer.
How Syntropac Injection works
Syntropac 250mcg Injection triggers the release of steroids from the adrenal gland, and therefore it is used as a diagnostic agent for the ACTH stimulation test to assess adrenal gland function.
Quick tips
- Inform your doctor immediately if you experience any allergic symptoms like rash, itching, difficulty breathing, or swelling of the face, lips, or tongue.
- Do not receive any immunization or vaccination without your doctor’s approval while taking Syntropac 250mcg Injection.
- If you suffer an injury requiring medical help or are going to have surgery either during treatment with Syntropac 250mcg Injection or within one year after treatment has stopped, tell the doctor, surgeon or anesthetist about this medicine.
- Avoid driving or operating machinery or doing activities that require you to be alert until you know how this medicine affects you.
- Syntropac 250mcg Injection may make you more susceptible to infections, thus, avoid close contact with anyone with an infectious disease.
Safety advice

Alcohol
CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Syntropac 250mcg Injection. Please consult your doctor.

Pregnancy
CONSULT YOUR DOCTOR
Syntropac 250mcg Injection is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.

Breast feeding
CAUTION
Syntropac 250mcg Injection should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from the body.

Driving
UNSAFE
Syntropac 250mcg Injection may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
It may cause dizziness in some people, do not drive if you experience any such symptoms.
It may cause dizziness in some people, do not drive if you experience any such symptoms.

Kidney
CONSULT YOUR DOCTOR
There is limited data available on the use of Syntropac 250mcg Injection in patients with kidney disease. Please consult your doctor.

Liver
CAUTION
Syntropac 250mcg Injection should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Interaction with drugs
Taking Syntropac with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Moderate
Indapamide (Oral Route)
If concurrent use is essential, your doctor may monitor your potassium levels closely.
Moderate
Clonazepam (Oral Route)
If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations.
Moderate
Clonazepam (Injection Route)
If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations.
Frequently asked questions
Syntropac 250mcg Injection is used as a diagnostic test to find out if the adrenal glands, small glands next to the kidneys, are working as well as they should.
Syntropac 250mcg Injection is given as an injection into the muscles by your doctor or a nurse.
For diagnostic test use, you will be given a single injection of Syntropac 250mcg Injection. You will have two blood samples taken, one before the injection and the other 30 minutes after the injection. These blood samples will show whether your adrenal glands are functioning normally or not. For therapeutic use, Syntropac 250mcg Injection will not cure your condition but it may relieve some of the symptoms. The injections can be continued for as long as they are beneficial.
As a doctor or nurse will be administering this medicine, you are unlikely to miss a dose. If you have any doubts, consult your doctor or nurse.
It is advisable to inform your doctor if you are taking medications for diabetes, high blood pressure, and convulsions before the start of the treatment with Syntropac 250mcg Injection. It may be necessary to change the dose or in some cases to stop the medicine.
Fact Box
Chemical Class
Polypeptides
Habit Forming
No
Therapeutic Class
HORMONES
Action Class
Adrenocorticotropic Hormone (ACTH) Analogues
References
- Tetracosactide Hexaacetate [New Zealand Consumer Medicine Information]. Christchurch, New Zealand: Clinect NZ Pty Limited; 2020. [Accessed 25th Nov. 2022] (online) Available from:
- Tetracosactide Acetate [EMC SmPC]. Basildon, UK: Atnahs Pharma UK Ltd.; 2019. [Accessed 25th Nov. 2022] (online) Available from:
- Tetracosactide Zinc. Basildon, United Kingdom: Atnahs Pharma UK Ltd.; 2020. [Accessed 10 Nov. 2025] (online). Available from:
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Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.
Marketer details
Name: Sun Pharmaceutical Industries Ltd
Address: Khasra No. 1335-1340,Near EPIP- I, Vill - Bhatoli Kalan ,Baddi, Solan, Himachal Pradesh, 173205 || Plot no 107/108,Namli block , Ranipool, East Sikkim 737135 || Acme Plaza, Andheri-Kurla Road, Andheri (East), Mumbai, Maharashtra -400059
Address: Khasra No. 1335-1340,Near EPIP- I, Vill - Bhatoli Kalan ,Baddi, Solan, Himachal Pradesh, 173205 || Plot no 107/108,Namli block , Ranipool, East Sikkim 737135 || Acme Plaza, Andheri-Kurla Road, Andheri (East), Mumbai, Maharashtra -400059
Vendor Details
Country of origin: India
Lab tests offered by us
- CBC (Complete Blood Count)
- FBS (Fasting Blood Sugar)
- Thyroid Profile Total (T3, T4 & TSH)
- HbA1c (Glycosylated Hemoglobin)
- PPBS (Postprandial Blood Sugar)
- Lipid Profile
- Vitamin D (25-Hydroxy)
- Urine R/M (Urine Routine & Microscopy)
- Coronavirus Covid -19 test- RT PCR
- LFT (Liver Function Test)
- KFT (Kidney Function Test)
- TSH (Thyroid Stimulating Hormone) Ultrasensitive
- ESR (Erythrocyte Sedimentation Rate)
- Uric Acid, Serum
- Vitamin B12
- CRP (C-Reactive Protein), Quantitative
- Urine C/S (Urine Culture and Sensitivity)
- Serum Electrolytes
- Serum Calcium
- Serum Creatinine
- Diabetes Screening (HbA1C & Fasting Sugar)
- KFT with Electrolytes (Kidney Function Test with Electrolytes)
- Cholesterol - Total
- Hb (Hemoglobin)
- Complete Hemogram (CBC & ESR)
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