A B Phylline Caps
Sun Pharma - Capsule - 15 S
₹300
Prescription required
Prescription requiredSun PharmaGYNAECOLOGICAL
Susten SR 400
Progesterone (Natural Micronized) (400mg)
Susten SR 400 is used for treatment of Female infertility Hormone replacement therapy.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026
₹745
100% genuine medicinesPharmacist-verified orderDelivered across India
Key details
Salt: Progesterone (Natural Micronized) (400mg)
Available variants: NA 10`S
Best price: ₹745
Prescription: Required
Manufacturer: SUN PHARMA
Ordering notes
Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy
Composition of Susten SR 400
Susten SR 400 contains Progesterone (Natural Micronized) (400mg).
Uses of Susten SR 400
Treatment of Female infertility Hormone replacement therapy
Key benefits
- In Treatment of Female infertility SustEN SR 400 Tablet contains progesterone
- a female hormone that is important in the regulation of ovulation and menstruation. It is used to cause menstrual periods in women who have not reached menopause but are not having periods due to a lack of natural progesterone in the body. This medicine helps to prepare the uterus for pregnancy by causing the uterus lining (endometrium) to thicken. This increases the chance of a successful pregnancy. You should use the medicine as prescribed for it to be effective. You may be asked to continue with this treatment for a period after becoming pregnant. In Hormone replacement therapy Hormone placement therapy (HRT) is a treatment to relieve symptoms of menopause such as hot flushes
- night sweats
- mood swings
- vaginal dryness
- and reduced sex drive. Since menopause can last for several years
- this treatment can make a big improvement to your daily life and mood. Progesterone is one of two important hormones (the other being is estrogen) used in this treatment. However
- it may not treat all your symptoms
- consult with your doctor. You should use this medicine as it is prescribed
- and for as long as it is prescribed by your doctor. Show More
How Susten SR 400 works
SustEN SR 400 Tablet is a progesterone (female hormone). It helps to establish and maintain pregnancy. It also prevents the increase in thickness of the endometrium (lining of the uterus) caused by estrogen.
How to take Susten SR 400
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. SustEN SR 400 Tablet should be taken with or after food.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Missed dose and overdose
If you miss a dose
If you miss a dose of SustEN SR 400 Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
If you take too much
Taking more Susten SR than prescribed can be harmful. If you suspect an overdose, contact a doctor or go to the nearest emergency department at once, and carry the pack or strip with you. In India the emergency number is 112.
Side effects of Susten SR 400
Most side effects of Susten SR are mild and settle as the body adjusts. Reported side effects include:
- 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
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
Safety advice for Susten SR 400
| Pregnancy | Pregnancy SAFE IF PRESCRIBED |
|---|---|
| Breastfeeding | Breast feeding CAUTION |
| Alcohol | Alcohol CAUTION |
| Driving | Driving UNSAFE |
| Kidney | Kidney CONSULT YOUR DOCTOR |
| Liver | Liver CAUTION |
| Habit forming | No |
Interactions with other medicines
Tell your doctor or pharmacist about every medicine you take, including over-the-counter products, vitamins and herbal or ayurvedic preparations, before starting Susten SR. Some combinations can change how Susten SR works or raise the chance of side effects.
How to store Susten SR 400
Store Susten SR below 30°C in a cool, dry place away from direct sunlight and moisture. Keep the pack tightly closed and out of the reach of children. Do not use it after the expiry date printed on the pack.
Expert advice for Susten SR 400
SustEN SR 400 Tablet may also be used in the treatment of problems related to the menstrual period, such as amenorrhea (absence of periods). It also helps in the maintenance of pregnancy in women who are at higher risk of miscarriage. It should be taken with food. It may cause sleepiness or drowsiness. If this happens to you, do not drive or use machinery.
Manufacturer and class
- Manufacturer:
- SUN PHARMA
- Therapeutic class:
- GYNAECOLOGICAL
- Chemical class:
- Gluco/mineralocorticoids, progestogin derivative
Substitutes for Susten SR 400
Medicines with the same active ingredient (Progesterone (Natural Micronized) (400mg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Susten SR 400 |
|---|---|---|---|
| Naturogest SR 400ZYDUS HEALTHCARE PHARMA | 10`S | ₹855 | 15% more |
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Susten SR 400 FAQs
What is Susten SR 400 used for?
Susten SR 400 is commonly used for Treatment of Female infertility Hormone replacement therapy. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Susten SR 400?
Susten SR 400 contains Progesterone (Natural Micronized) (400mg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Susten SR 400?
Take this medicine in the dose and duration as advised by your doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Susten SR 400 work?
SustEN SR 400 Tablet is a progesterone (female hormone).
Is Susten SR 400 a prescription medicine?
Yes. Susten SR 400 is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Susten SR 400?
The side effects reported most often with Susten SR are 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. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Susten SR 400 be taken during pregnancy?
Pregnancy SAFE IF PRESCRIBED Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Susten SR.
Can I drink alcohol while taking Susten SR 400?
Alcohol CAUTION
What if I miss a dose of Susten SR 400?
If you miss a dose of SustEN SR 400 Tablet, take it as soon as possible.
Is Susten SR 400 habit forming?
No. Susten SR 400 is not known to be habit forming when taken as prescribed.
How much does Susten SR 400 cost on PingMeDoc Pharmacy?
Susten SR 400 starts at ₹745 on PingMeDoc Pharmacy. Available in NA 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Susten SR 400?
Susten SR 400 is manufactured by SUN PHARMA. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Susten SR 400 delivered?
Susten SR 400 is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.
Susten SR 400, Quick facts
- Salt
- Progesterone (Natural Micronized) (400mg)
- Best price
- ₹745
- Prescription
- Required (Rx)
- Brand
- SUN PHARMA
- Manufacturer
- SUN PHARMA
- Therapeutic class
- GYNAECOLOGICAL
- Chemical class
- Gluco/mineralocorticoids, progestogin derivative
- Action class
- Natural Progesterone
- Habit forming
- No
- Variants
- NA 10`S
- Delivery
- Standard across India
References
The information on Susten SR 400 is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.
- Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
- National List of Essential Medicines (NLEM) 2022, Government of India.
- Manufacturer's package insert / prescribing information for Susten SR 400.
- World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.
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Safety disclaimer
Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.