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compositionComposition:ALLYLESTRENOL
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Prescription Medicine
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Allylax Tablet is used to prevent premature labour. It contains Allylestrenol which works by modulating the immune response of the pregnant women to prevent rejection of the embryo, allowing its attachment to the uterus and improving blood flow to the placenta. This medicine may sometimes cause side effects such as changes in weight, unwanted hair growth, menstrual disturbances, swelling, fever, headache, and fatigue. Inform the doctor if you are breastfeeding, taking any other medication, or have any pre-existing medical conditions.

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Written By Dr. Lakshmithulasi Yarragunta , PharmD (PB)
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
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More about the Product

Composition :

ALLYLESTRENOL

Manufacturer/Marketer :

Axnture Healthcare

Consume Type :

Oral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About Allylax Tablet

Allylax Tablet is a prescription hormonal medicine used to support pregnancy in certain situations, such as threatened miscarriage, recurrent pregnancy loss, and prevention of premature labour. It has progesterone-like activity and may help maintain the uterine environment needed for pregnancy. However, the clinical evidence supporting its use for preventing miscarriage and preterm labour is still evolving, and recommendations may vary between guidelines and countries. It should only be used under the supervision of a doctor who can assess whether it is appropriate for your individual situation.

To achieve the best results, you must take this medication consistently at the same times every day as directed by your healthcare provider. You can take it with or without food, though taking it with a light meal can help prevent mild stomach upset. Alongside your medication, prioritising physical rest and avoiding heavy lifting or strenuous tasks can significantly improve your treatment outcomes.

While taking Allylax Tablet , you may experience mild and temporary side effects such as nausea, headaches, or breast tenderness. These symptoms are common and usually resolve on their own. However, you must consult your doctor immediately if you experience severe side effects, such as sudden chest pain, severe leg swelling, or sudden vision changes.

Talk to your doctor before starting Allylax Tablet if you have any pre-existing health conditions, especially liver issues, undiagnosed vaginal bleeding, or a history of blood circulation disorders. Do not take this if you have severe liver damage, active blood clots, or if you have experienced a missed miscarriage that has not been fully resolved by a medical professional.

This medicine may interact with other treatments, including anti-seizure medications and certain antibiotics, which can make your dose less effective. Avoid drinking alcohol and smoking while taking this medicine, as they can increase your risk of blood vessel complications. If you are breastfeeding or are an elderly individual, consult your doctor or pharmacist, though this medication is specifically formulated for use during pregnancy.

 

Uses of Allylax Tablet

Your doctor may prescribe this medicine to treat several conditions, including:

  • Threatened miscarriage: Allylax Tablet helps stabilise the pregnancy when early warning signs, such as mild cramping or light bleeding, indicate a risk of pregnancy loss.
  • Recurrent miscarriage: Allylax Tablet supports the uterine environment in women who have experienced multiple unexplained pregnancy losses in the past.
  • Prevention of premature labour: Allylax Tablet works to keep the muscles of the uterus relaxed, helping to prevent early contractions and reducing the risk of giving birth too soon.

Key Benefits

Allylax Tablet provides vital support during vulnerable stages of pregnancy, helping expectant mothers feel more secure and physically comfortable. By calming uterine activity, it helps ease the physical tension and anxiety associated with a high-risk pregnancy.

  • Reduces risk of early delivery: By preventing premature contractions, it helps ensure the baby has maximum time to develop fully in the womb.
  • Protects early-stage pregnancy: It strengthens the lining of the womb, creating a safer, more stable environment for the developing embryo.
  • Relieves uterine cramping: It helps quieten uterine muscle activity, reducing painful or alarming pelvic spasms.
     

Directions for Use

  • Allylax Tablet can be taken with or without food as advised by your doctor.
  • Follow your doctor’s instructions on the dosage and timing of this medication.
  • Swallow Allylax Tablet as a whole with a glass of water.
  • Do not crush, break, or chew it.

How Allylax Tablet Works

Allylax Tablet contains allylestrenol, which is a synthetic progestogen that has progesterone-like effects in the body. Progesterone is a natural hormone that helps maintain the uterine lining and supports the continuation of pregnancy. The exact mechanism of Allylax Tablet is not completely understood. It is believed to work through a combination of effects, including supporting progesterone activity, helping maintain a suitable environment for pregnancy, and possibly supporting the body's own progesterone production through effects on hormonal pathways. It may also help reduce excessive uterine activity, which can contribute to early contractions. Because evidence regarding the effectiveness of Allylax Tablet for preventing miscarriage and premature labour remains limited and continues to be evaluated, it should be used only when prescribed by a healthcare professional after considering potential benefits and risks.
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Alcohol

Caution

There is not enough scientific data available for Allylax Tablet interaction with alcohol, hence it is best to consult a doctor.

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Pregnancy

Safe if prescribed

Safe if prescribed.

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Breast Feeding

Caution

Please consult your doctor before using Allylax Tablet during breastfeeding. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.

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Driving

Caution

It is advised to drive with caution after taking Allylax Tablet as it may interfere with driving capabilities. It can make you feel drowsy.

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Liver

Caution

Allylax Tablet should be taken with caution, especially if you have a history of liver diseases/conditions. The dose may have to be adjusted by your doctor.

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Kidney

Caution

Allylax Tablet should be taken with caution, especially if you have a history of kidney diseases/conditions. The dose may have to be adjusted by your doctor.

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Children

Unsafe

Allylax Tablet is not indicated for use in children. Safety and effectiveness in pediatric patients less than 16 years of age have not been established.

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Heart

Caution

Allylax Tablet can be used in heart patients if prescribed by the physician. Please consult your physician if you have any concerns.

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Geriatrics

Unsafe

Allylax Tablet is not safe for use in elderly patients aged 65 or older due to its severe side effects.

What if I have taken an overdose of Allylax Tablet

If you accidentally take more than your prescribed dose, seek emergency medical attention or contact a poison control centre immediately. Watch for signs like severe nausea, vomiting, or dizziness.

Diet & Lifestyle Advise

  • Prioritise physical rest: If you are prescribed Allylax Tablet for threatened miscarriage or premature labour, follow your doctor's advice regarding physical rest. Avoid lifting heavy objects, standing for long periods, or performing high-impact exercises.
  • Stay well-hydrated: Drink plenty of water throughout the day. Staying hydrated helps maintain amniotic fluid levels and reduces the likelihood of mild uterine cramping.
  • Eat a fibre-rich diet: Hormonal medications can sometimes slow down digestion. Eat fruits, vegetables, and whole grains to help prevent constipation, which can place unnecessary pressure on your pelvic area.
  • Avoid stress: Practice gentle relaxation techniques, such as deep breathing or prenatal meditation, to help keep your stress levels low, which is beneficial for both you and your baby.
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How Soon It Starts Working

The time required for Allylax Tablet to start to work: The exact onset time of Allylax Tablet has not been clinically established. The time for which the effects of Allylax Tablet last: The duration of Allylax Tablet ’s effect is clinically not established.

What if you forget to take Allylax Tablet

If you miss a dose, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and return to your regular routine. Do not take a double dose to make up for a missed one.

Storage

•Store Allylax Tablet tablets at room temperature, ideally between 15°C and 30°C. •Keep the tablets in their original blister pack or container to protect them from direct light and moisture.

Drug Warnings

  • Monitor for bleeding: Keep a close eye on any vaginal bleeding or spotting. Report any new or increased bleeding to your doctor immediately.
  • Watch for signs of blood clots: Be alert to sudden calf pain, warmth, swelling, or redness, as hormonal treatments can slightly increase the risk of blood clots.
  • Inspect your tablets: Before taking your dose, inspect the tablet to ensure it is intact and has not changed colour or crumbled. Do not use damaged tablets.
  • Inform other doctors: Always tell any healthcare provider you visit, including dentists or surgeons, that you are taking Allylax Tablet .
  • Do not share this medicine: This medication is specifically prescribed for your unique pregnancy needs. Never share it with anyone else, even if they have similar symptoms.

Drug-Drug Interactions

verifiedApollotooltip

Inform your doctor about all the medicines you are taking before taking this, as they may interact with Allylax Tablet and affect your treatment.

  • Anti-Seizure Medicines (such as carbamazepine, phenytoin, and phenobarbital) and Rifampicin (a medicine commonly used to treat tuberculosis): These medicines can increase the breakdown of Allylax Tablet in the body, which may reduce its effectiveness. Inform your doctor if you are taking rifampicin for tuberculosis or any other infection, as your treatment plan may need closer monitoring or adjustment. 
No Drug - Drug interactions found in our data. We may lack specific data on this medicine and are actively working to update our database. Consult your doctor for personalized advice

Drug-Drug Interactions

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Drug-Food Interactions

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  • Alcohol: There are no major known food interactions with Allylax Tablet . However, it is best to avoid drinking alcohol during treatment, especially during pregnancy, to protect your health and your baby's development.
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Habit Forming

No

Therapeutic Class

[HORMONES]

FAQs

Allylax Tablet belongs to the category of a synthetic progesterone female hormone called progestin used to prevent premature labour.
Allylax Tablet contains Allylestrenol is a progestin (female hormone) that 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 labor and repeated miscarriage.
Yes, Allylax Tablet is used to prevent the habitual miscarriage and regular abortion. Your doctor will decide whether you should continue or stop taking Allylax Tablet . Do not take medication of your own or self medicate.
No, Allylax Tablet is not a contraceptive. It should not be used as an effective form of birth control to prevent pregnancy.
Yes, Allylax Tablet may cause weight gain. It can be due to water retention. If you feel that you are gaining a lot of weight while taking Allylax Tablet , please consult your doctor.
You should stop using Allylax Tablet and tell a doctor before using Allylax Tablet if you have uncontrolled high blood pressure (hypertension), unusual vaginal bleeding, liver disease, liver cancer, jaundice during pregnancy, circulation problems or bleeding problems, stroke, blood clot problems, breast cancer, uterus/cervix/vaginal cancer.
The common side effects of Allylax Tablet include changes in weight, unwanted hair growth, menstrual disturbances, swelling over the body, fever, headache, and fatigue. Most of the side effects of Allylax Tablet do not require medical attention and gradually resolve over time. However, if the side effects persist, please consult your doctor.
Feeling depressed after taking Allylax Tablet is not a common side effect, but it may occur in some individuals due to hormonal changes. Allylax Tablet is a synthetic hormone that may cause fluctuations in certain hormone levels, leading to mood changes such as irritability, anxiety, and depression. If you continue to feel depressed, please consult your doctor.
Natural progesterone plays a key role in regulating the menstrual cycle (the monthly process in which a woman's body prepares for pregnancy), preparing the uterus for pregnancy, supporting early pregnancy, preventing lactation during pregnancy, and maintaining a healthy hormonal balance. It also helps reduce the risk of uterine cancer, promotes bone health, and supports mood stability.
Yes, Allylax Tablet is commonly prescribed during the first trimester to support early pregnancy, especially if you have a history of miscarriages or are experiencing early spotting. However, you should only take it under the direct supervision of your doctor.
Some women may experience mild drowsiness, tiredness, or dizziness while taking Allylax Tablet . If you feel sleepy or less alert, avoid driving or operating machinery until you know how this medicine affects you. Talk to your doctor if these symptoms become severe or persistent.
If you notice any vaginal spotting or bleeding while taking Allylax Tablet , contact your doctor right away. While the medicine is meant to help prevent miscarriage, any bleeding during pregnancy requires a professional medical evaluation.
No, you should never stop taking Allylax Tablet suddenly without consulting your doctor. Stopping this medication prematurely can cause hormonal imbalances and increase the risk of pregnancy complications.
Allylax Tablet is specifically used to support and maintain pregnancy. If you are breastfeeding and require hormonal treatment, talk to your doctor or pharmacist to discuss safer, more appropriate alternatives.
Yes, you can consume moderate amounts of caffeine while taking Allylax Tablet . However, during pregnancy, it is generally recommended to limit your daily caffeine intake. Talk to your doctor for personalised dietary advice.
If you experience mild nausea, try taking your dose with a light meal or snack. If the nausea is severe, causes vomiting, or prevents you from keeping your medication down, talk to your doctor or pharmacist right away.

Disclaimer

While we strive to provide complete, accurate, and expert-reviewed content on our 'Platform', we make no warranties or representations and disclaim all responsibility and liability for the completeness, accuracy, or reliability of the aforementioned content. The content on our platform is for informative purposes only, and may not cover all clinical/non-clinical aspects. Reliance on any information and subsequent action or inaction is solely at the user's risk, and we do not assume any responsibility for the same. The content on the Platform should not be considered or used as a substitute for professional and qualified medical advice. Please consult your doctor for any query pertaining to medicines, tests and/or diseases, as we support, and do not replace the doctor-patient relationship.

Reference

  1. MIMS Drug Reference Compendium. Allylestrenol Monograph. Singapore: MIMS; 2025. [Accessed on 02 Jun. 2026]Check here
  2. 322739835 Oral Allylestrenol A Pregnancy Supporting Progestogen. [Accessed on 02 Jun. 2026]Check here
  3. Ministry of Health and Family Welfare. National Formulary of India (NFI) 2021. 6th ed. New Delhi, India: IPC; 2021. Clinical Drug Monographs: Gestin Tablet
  4. Allylestrenol [Package Insert]. Dhaka, Bangladesh: The Acme Laboratories Ltd

Country of origin

India

Manufacturer/Marketer address

13-14, Queens Complex, Queens Road, Sons Foot Ware, Amritsar, Punjab, 143001, India
Other Info - ALL0265
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