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Pregmain Tablet

Written By Dr. Anuj Saini, MMST, MBBS
Reviewed By Dr. Rajeev Sharma, MBA, MBBS
Last updated on 04 Jan 2026 | 08:36 PM (IST)
Pregmain Tablet is a synthetic progesterone derivative that is used in the treatment of recurrent miscarriages (pregnancy loss) and premature labor.
Genuine
Authenticity Assured
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required
₹119 MRP ₹13210% off 
 
 
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General Information

Contains

Allylestrenol (5mg)

Marketer

Symbiosis Lab

Storage

Store below 30°C
The content is shown in English
Pregmain Tablet image
Pregmain Tablet image

Product introduction

Pregmain Tablet can be taken with or without food, but take it at the same time to get the most benefit. It should be taken as your doctor's advice. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. Swallow the tablets whole with a glass of water. You should take this medicine for as long as it is prescribed for you. Do not miss even a single dose, if in any case, you missed dose, take it as soon as you remember or better to skip the missed dose and continue with regular dosing.

The most common side effects of this medicine include edema (swelling), bloating, headache, depression,  fatigue, altered libido, irregular menstrual cycle, gastrointestinal disturbances, and excessive hair growth.  If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them.

Before taking this medicine, let your doctor know if you have ever had undiagnosed vaginal bleeding, or incomplete abortion, or have heart disease or kidney problems. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works.

Uses of Pregmain Tablet

Benefits of Pregmain Tablet

Treatment of Recurrent miscarriage
Pregmain Tablet helps to prevent miscarriage in such women who have had such complications in an earlier pregnancy. It improves the thickness of the lining of the uterus (womb) and also attachment of the baby to the uterus. This makes sure that there are no abnormal contractions of the uterus which may lead to premature delivery.
Treatment of Premature Labor
Pregmain Tablet prevents abnormal contractions of uterus muscles and relaxes them. It widens blood vessels to help increase blood flow and improve circulation to the smooth muscles of the uterus. This prevents premature labor and miscarriage. Take it as prescribed and follow your doctor’s instructions carefully to get maximum benefit.

Side effects of Pregmain Tablet

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 Pregmain
  • Headache
  • Fatigue
  • Altered libido
  • Irregular menstrual cycle
  • Gastrointestinal disturbance
  • Excessive hair growth on face
  • Edema (swelling)
  • Bloating
  • Depression

How to use Pregmain Tablet

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. Pregmain Tablet may be taken with or without food.

How Pregmain Tablet works

Pregmain Tablet is a progestin (female hormone). It helps in maintaining pregnancy by promoting the attachment of the embryo to lining of the womb and improving blood flow to the placenta. It also relaxes the uterus muscles thereby preventing premature labour.

All substitutes for Pregmain Tablet

For information purposes only. Consult a doctor before taking any medicine.

Gestin Tablet

by Walter Bushnell
₹25.2/tablet
112% costlier
<h3 class=bodySemiBold>Gestin Tablet</h3>

Maintane Tablet

by Jagsonpal Pharmaceuticals Ltd
₹18.4/tablet
55% costlier
<h3 class=bodySemiBold>Maintane Tablet</h3>

ANin Tablet

by Ind Swift Laboratories Ltd
₹20.1/tablet
69% costlier
<h3 class=bodySemiBold>ANin Tablet</h3>

Maintane Tablet

by Jagsonpal Pharmaceuticals Ltd
₹18.73/tablet
57% costlier
<h3 class=bodySemiBold>Maintane Tablet</h3>

Alltenol 5mg Tablet

by Albia Biocare
₹14.6/tablet
23% costlier
<h3 class=bodySemiBold>Alltenol 5mg Tablet</h3>

Quick tips

  • Pregmain Tablet is used to treat repeated miscarriages and to prevent premature birth in pregnant women.
  • Take it as per dose and duration suggested by your doctor.
  • It must be discontinued after delivery as it may affect the baby.
  • Do not drive or do anything that requires concentration until you know how the medication affects you.
  • Do not stop taking it suddenly without talking to your doctor first.

Safety advice

Alcohol

Alcohol

CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Pregmain Tablet. Please consult your doctor.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Information regarding the use of Pregmain Tablet during pregnancy is not available. Please consult your doctor.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Information regarding the use of Pregmain Tablet during breastfeeding is not available. Please consult your doctor.
Driving

Driving

UNSAFE
Pregmain Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

CONSULT YOUR DOCTOR
There is limited data available on the use of Pregmain Tablet in patients with kidney disease. Please consult your doctor.
Liver

Liver

CONSULT YOUR DOCTOR
There is limited data available on the use of Pregmain Tablet in patients with liver disease.

Interaction with drugs

Taking Pregmain with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Severe

Tamoxifen (Oral Route)

Do not consume Tamoxifen with Allylestrenol if you have or had breast cancer. If essential, consult your doctor. Allylestrenol may reduce the efficacy of Tamoxifen.
Severe

Letrozole (Oral Route)

Do not consume Letrozole with Allylestrenol if you have or had breast cancer. If essential, consult your doctor.
Severe

Anastrozole (Oral Route)

Do not consume Anastrozole with Allylestrenol if you have or had breast cancer. If essential, consult your doctor. Allylestrenol may reduce the efficacy of Anastrozole.
Severe

Raloxifene (Oral Route)

Do not consume Raloxifene with Allylestrenol. If concurrent use is essential, please consult your doctor. Allylestrenol may reduce the efficacy of Raloxifene.
Severe

Rifampicin (Injection Route)

Use other methods of contraception (IUDs, depot or barrier methods) both during and for 28 days following the discontinuation of Rifampicin. Rifampicin may reduce the efficacy of Allylestrenol.

Frequently asked questions

No, Pregmain Tablet cannot be used as a birth control medicine. It is a hormone preparation used to treat repeated miscarriages and to prevent premature birth in pregnant women. You may need to use contraceptive methods to avoid pregnancy. Consult with your doctor to seek options for contraceptives.
This medicine should not be used in patients with a history of blood clot events, severe liver disease, incomplete abortion, hormone-dependent carcinoma, and hypersensitivity.
Depression is one of the common side-effects of this medicine. It is advisable to inform your doctor immediately if you get thoughts about harming yourself. He/she might suggest a suitable alternative based on your condition.
Progesterone helps prepare your body for conception and pregnancy and regulates the monthly menstrual cycle. One of progesterone's most important functions is its role in thickening the lining of the uterus each month. The enriched endometrial lining is prepared to receive and nourish a fertilized egg in pregnant women.

Fact Box

Chemical Class

Estrane steroids

Habit Forming

No

Therapeutic Class

GYNAECOLOGICAL

Action Class

Progestins- Others

Related lab tests

Anti Phospholipid Antibody IgG

Anti Phospholipid Antibody IgM

Chromosome Analysis, Blood

Thyroid Stimulating Hormone

References

  1. Allylestrenol [Package Insert]. Dhaka, Bangladesh: The Acme Laboratories Ltd.
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User feedback

Twice A Day
67%
Once A Day
20%
Thrice A Day
13%
Others
67%
Recurrent miscarriage
33%
Poor
100%
No Side Effect
100%
With food
100%
Average
100%
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Disclaimer

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: Symbiosis Lab
Address: B-4 & 5 Vth Commercial Complex Shreshtha Vihar New Delhi -110092

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?
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Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945
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