Gestin Tablet (Allylestrenol 5 mg): Complete Medicine Guide
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026
When to Call Your Doctor IMMEDIATELY
- Heavy vaginal bleeding or passage of clots
- Severe or one-sided abdominal pain
- Chest pain, shortness of breath, or coughing up blood
- Pain, swelling, or redness in one leg
- Sudden swelling of the face, lips, or throat
- Yellowing of the eyes or skin
- Severe headache with vision changes
- Fainting or severe dizziness
If experiencing severe symptoms, call emergency services immediately.
What is allynol 5mg tablet used for?
This medicine contains Allylestrenol 5 mg, a synthetic progestogen used mainly to support early pregnancy in women with threatened or recurrent miscarriage. It works by stabilizing the uterine lining and reducing contractions. It is a prescription medicine and must only be taken under a doctor's supervision.
- Generic Name: Allylestrenol (5mg)
- Manufacturer: Vhb Life Sciences Inc
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 allynol 5mg tablet के बारे में (Hindi Summary)
उपयोग: यह दवा एलिलएस्ट्रेनॉल 5 मिलीग्राम की एक टैबलेट है, जो एक सिंथेटिक प्रोजेस्टोजन है। इसका मुख्य उपयोग गर्भावस्था की शुरुआत में होने वाले खतरे या बार-बार गर्भपात की स्थिति में गर्भ को सहारा देने के लिए किया जाता है। यह गर्भाशय की परत को स्थिर करने और गर्भाशय के संकुचन को कम करने में मदद करती है। कुछ मामलों में इसे फर्टिलिटी इलाज या अनियमित मासिक धर्म के दौरान भी डॉक्टर की सलाह पर दिया जा सकता है। यह दवा केवल डॉक्टर के पर्चे पर ही लेनी चाहिए और गर्भावस्था में इसे अपने आप शुरू या बंद नहीं करना चाहिए।
साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में हल्की मतली, सिरदर्द, स्तनों में कोमलता, चक्कर आना और मासिक धर्म में बदलाव शामिल हैं। ये आमतौर पर हल्के होते हैं और शरीर के अनुकूल होने पर कम हो जाते हैं। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन तेज पेट दर्द, अत्यधिक योनि से रक्तस्राव, सांस लेने में कठिनाई, पैर में दर्द या सूजन, चेहरे या गले में सूजन, या आंखों-त्वचा का पीला पड़ना हो तो तुरंत डॉक्टर से मिलें।
सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें, हर दिन एक ही समय पर। खुराक भूल जाने पर अगली खुराक दोगुनी न करें। अपने डॉक्टर को अपनी सभी दवाओं, सप्लीमेंट्स और हर्बल उत्पादों के बारे में बताएं। गर्भावस्था में कोई भी नई दवा शुरू करने से पहले डॉक्टर से सलाह लें। असामान्य रक्तस्राव, तेज दर्द, सांस लेने में तकलीफ या पैर में सूजन होने पर तुरंत चिकित्सा सहायता लें। दवा को बच्चों की पहुंच से दूर, ठंडी और सूखी जगह पर रखें।
💊 allynol 5mg tablet Uses & Benefits
[{"condition":"Threatened miscarriage","description":"This medicine is used to support the maintenance of early pregnancy when there is a threat of miscarriage, by helping to stabilize the uterine lining and reduce contractions.","evidence":"Commonly used in clinical practice; evidence quality varies by region and study design."},{"condition":"Recurrent miscarriage","description":"Some clinicians prescribe this medicine for women with a history of repeated pregnancy loss, aiming to provide hormonal support during the early weeks of pregnancy.","evidence":"Used in some clinical settings; supportive evidence is limited and individualized."},{"condition":"Luteal phase support in infertility treatment","description":"This medicine may be used to support the luteal phase after ovulation induction or assisted reproduction, depending on the treating specialist's protocol.","evidence":"Used in selected fertility protocols; evidence is not uniform across guidelines."},{"condition":"Irregular or heavy menstrual bleeding","description":"In some situations, progestogen therapy like this medicine is used to help regulate menstrual bleeding, but this depends on the underlying cause and the clinician's assessment.","evidence":"Limited and indication-specific."}]
Off-label uses: [{"condition":"Luteal phase defect without assisted reproduction","description":"Occasionally prescribed outside formal fertility programs to support the second half of the menstrual cycle.","evidence":"Limited"},{"condition":"Endometrial support before certain procedures","description":"Rarely used to prepare the endometrium in specific gynecological situations, based on specialist judgment.","evidence":"Limited"}]
Primary treatment for: Threatened or recurrent miscarriage
Also treats: Luteal phase support in infertility treatment, Irregular menstrual bleeding
📋 Drug Information
| Generic Name(s) | Allylestrenol (5mg) |
| Brand Name | allynol 5mg tablet |
| Manufacturer | Vhb Life Sciences Inc |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | GYNAECOLOGICAL |
| Action Class | Progestins- Others |
| Route of Administration | Oral |
| Storage | Store at room temperature, away from moisture, heat, and direct sunlight. Keep the tablets in their original blister pack or container. |
| Shelf Life | Refer to the expiry date printed on the pack. Do not use after the expiry date. |
| WHO Guideline | Not established from the available information. |
| ICMR Guideline | Not established from the available information. |
👨⚕️ Doctor's Practical Tips
Evidence-based practical advice from experienced clinicians
🔍 Is This Medicine Right for Your Symptom?
Educational reference. Always consult a doctor for diagnosis.
🔬 How This Medicine Works (Pharmacology)
Pharmacokinetics
How It Works
Allylestrenol is a synthetic progestogen that binds to progesterone receptors in progesterone-sensitive tissues, especially the endometrium and myometrium. By activating these receptors, it helps transform the uterine lining into a more stable secretory state, reduces spontaneous uterine contractions, and supports the hormonal environment needed to maintain early pregnancy. It also exerts mild anti-gonadotropic effects that can influence the normal menstrual cycle. The overall effect is to mimic the supportive actions of natural progesterone without the same degree of androgenic or estrogenic activity seen with some other progestogens.
Mechanism Steps
💡 How to Take allynol 5mg tablet
Strength: Allylestrenol 5 mg immediate-release tablet
Dosage Information
| Adult Dosage | The dose of this medicine is individualized by a qualified clinician based on the indication, the stage of pregnancy or menstrual cycle, and the woman's overall health. A commonly prescribed adult dose is one 5 mg tablet taken once daily or as directed, but the exact schedule may vary. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function. Do not change the dose without medical advice. |
| Pediatric Dosage | Pediatric dosing is not established from available information. Consult a pediatrician. |
| Elderly Dosage | This medicine is generally used in women of reproductive age. In older women, use only if clearly indicated and prescribed by a specialist, with attention to liver, kidney, and clotting status. |
| Renal Impairment | Not established from the available information. Use with caution in women with kidney disease and follow your doctor's advice regarding dose adjustment and monitoring. |
| Hepatic Impairment | Use with caution in women with liver disease. Dose adjustment may be needed, and liver function should be monitored as advised by your doctor. |
| Maximum Daily Dose | The maximum daily dose must be determined by a qualified clinician based on the individual's condition. Do not exceed the prescribed dose. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of allynol 5mg tablet
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Warfarin | Major | |
| Rifampicin | Major | |
| Carbamazepine | Major | |
| Phenytoin | Major | |
| St John's wort | Moderate | |
| Thyroid hormone | Moderate | |
| Other progestogens | Moderate | |
| Hormonal contraceptives | Moderate | |
| Grapefruit juice | Minor | |
| Alcohol | Moderate |
🚨 Major Interactions
- Anticoagulants such as warfarin
- Strong enzyme inducers such as rifampicin and certain anti-seizure medicines
⚡ Moderate Interactions
- Other progestogens or hormonal contraceptives
- Thyroid hormone replacement
🍷 Alcohol Interaction
Alcohol may worsen dizziness, nausea, and liver-related side effects. It is best to avoid alcohol while taking this medicine, especially during pregnancy.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Known allergy to Allylestrenol or any ingredient in the tablet","Undiagnosed abnormal vaginal bleeding","Severe liver disease","History of blood clots or thromboembolic disorders unless specifically cleared by a specialist","Known or suspected hormone-sensitive cancer unless advised by an oncologist","Missed abortion or incomplete abortion unless managed under specialist care"]
⚠️ Warnings & Precautions
["This medicine must be used only under the supervision of a qualified clinician.","Do not start or stop this medicine on your own during pregnancy.","Inform your doctor about all other medicines, supplements, and herbal products you take.","Report unusual vaginal bleeding, severe abdominal pain, or signs of a blood clot immediately.","Use with caution if you have liver disease, kidney disease, or a history of clotting problems.","Avoid alcohol while taking this medicine.","Keep all follow-up appointments so your doctor can monitor your response."]
🤱 Lactation Safety
Not established from the available information. If you are breastfeeding, consult your doctor before using this medicine, because it may pass into breast milk and affect the baby.
💊 Overdose Management
There is no specific antidote for an overdose of this medicine. If someone takes too many tablets, contact a doctor or poison control center immediately. Treatment is supportive and based on the symptoms that develop. Do not try to make yourself vomit unless a medical professional tells you to do so.
⏰ Missed Dose
If you miss a dose, take it as soon as you remember, unless it is almost time for the next dose. In that case, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time to make up for a missed one. If you are unsure, contact your doctor or pharmacist.
Additional Safety Advice
Take this medicine exactly as prescribed by your doctor, at the same time each day, with or without food as advised. Do not double the dose if you miss one. Inform your doctor about all other medicines, supplements, and herbal products you take, because some can interfere with how this medicine works. Tell your doctor immediately if you become pregnant while taking this medicine, if you notice unusual vaginal bleeding, or if you develop calf pain, chest pain, or breathing difficulty. Keep all follow-up appointments so your doctor can monitor your response. Store the tablets in their original packaging, away from moisture and direct sunlight, and keep them out of reach of children. Never share this medicine with another person, even if they have similar symptoms.
👴 Special Considerations for Elderly
💡 For Patients Above 65
This medicine is generally used in women of reproductive age. In older women, it should only be used if clearly indicated by a specialist, with attention to liver function, kidney function, and clotting risk.
🤰 Pregnancy Planning (TTC)
If you are trying to conceive or are in early pregnancy, do not start this medicine on your own. Consult your doctor, who can assess whether hormonal support is appropriate for you and monitor you safely.
🏥 Post-Surgery Considerations
If you have recently had surgery, tell your surgeon and anesthesiologist that you take this medicine. Progestogens may affect clotting and fluid balance, so your care team may need to adjust monitoring or timing around the procedure.
🦷 Dental Procedures
Inform your dentist that you take this medicine, especially if you are pregnant or have a history of bleeding or clotting problems. Routine dental care is usually safe, but any planned procedure should be discussed with your doctor if you have additional risk factors.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
Ask your doctor whether you need pelvic rest or activity restriction. If you are allowed to exercise, choose gentle activities such as short walks or prenatal stretching. Avoid heavy lifting, high-impact workouts, and activities that increase the risk of falls. Stop exercising and contact your doctor if you feel pain, bleeding, or dizziness.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine may cause dizziness or fatigue in some women. If you feel dizzy or unwell, avoid driving or operating heavy machinery until you know how the medicine affects you. Desk work is usually fine, but discuss any physically demanding job tasks with your doctor, especially during pregnancy.
🛑 When to Stop This Medicine
Do not stop this medicine on your own. Your doctor will decide when it is safe to stop based on your condition, pregnancy progress, and response to treatment. If you experience severe side effects or red flag symptoms, contact your doctor immediately for advice.
📅 Long-Term Use Effects
Long-term use of this medicine should only be under medical supervision. Prolonged progestogen use may affect liver function, fluid balance, and clotting risk in some women. Your doctor may monitor your liver function, blood pressure, and symptoms if you need this medicine for an extended period. Regular follow-up helps ensure that the benefits continue to outweigh any risks.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Another form of progesterone used for pregnancy support, available as oral or vaginal preparations.
Evidence: Well-established in selected situations.A different synthetic progestogen sometimes used for similar indications.
Evidence: Used in clinical practice; evidence varies.In some cases, doctors may choose careful monitoring and supportive care without adding a progestogen.
Evidence: Depends on the individual clinical situation.💉 Vaccination Considerations
💉 If You're Getting Vaccinated
There is no known direct interaction between this medicine and routine vaccines. However, if you are pregnant, discuss the timing of any vaccine with your obstetrician, as some vaccines are recommended during pregnancy while others should be delayed.
📦 Storage Guide
✅ DO
Store at room temperature, away from moisture and heat
❌ DON'T
Do not store in the bathroom or near the kitchen stove
✅ DO
Keep the tablets in their original blister pack or container
❌ DON'T
Do not transfer them to unmarked containers
✅ DO
Keep out of reach of children
❌ DON'T
Do not use after the expiry date
✈️ Traveling with This Medicine
Carry this medicine in its original packaging with the prescription label visible. Keep a copy of your prescription and a letter from your doctor if you are traveling internationally, especially during pregnancy. Store the tablets in a cool, dry place and avoid leaving them in a hot car or checked luggage. If you are crossing time zones, ask your doctor how to adjust the timing of your doses. Carry enough supply for the entire trip plus a few extra days in case of delays.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: This medicine works gradually to support the uterine environment. Your doctor will assess your response over days to weeks through follow-up visits and tests. Do not judge the effect on your own.
A: No. This is a prescription-only medicine. It must only be used under a qualified clinician's supervision, especially during pregnancy.
A: Take the missed dose as soon as you remember if it is not almost time for the next dose. If it is almost time, skip the missed dose and continue your regular schedule. Do not double the dose.
A: This medicine is used in pregnancy under medical supervision. Your doctor will weigh the benefits and risks for you and your baby. Report any new symptoms promptly.
A: No. Do not stop this medicine without talking to your doctor. Stopping suddenly may not be safe, especially during pregnancy.
🤔 Common Patient Concerns
🔄 Substitutes for allynol 5mg tablet
View AllAlternative brands with exact same active ingredient:
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rensure 5mg tabletBio-Med Pvt Ltd ₹27.00 53.7% CHEAPER
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ecogest 5mg tabletTaurus Laboratories Pvt Ltd ₹52.00 10.8% CHEAPER
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dubnil 5mg tabletAlchemist Life Science Ltd ₹53.24 8.7% CHEAPER
-
pregular 5mg tabletHelios Pharmaceuticals ₹58.50 0.3% COSTLIER
-
norfast 5mg tabletIntra Labs India Pvt Ltd ₹59.00 1.2% COSTLIER
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: This medicine guarantees a successful pregnancy.
Fact: No medicine can guarantee a successful pregnancy. This medicine may support early pregnancy in selected women, but outcomes depend on many factors. - Myth: This medicine is safe to take without a prescription.
Fact: This is a prescription medicine. It must only be used under a qualified clinician's supervision. - Myth: More tablets mean better pregnancy support.
Fact: Taking more than the prescribed dose can be harmful. Always follow your doctor's instructions. - Myth: This medicine can be stopped suddenly once bleeding stops.
Fact: Do not stop this medicine on your own. Your doctor will decide when and how to stop it.
🔄 Alternative Options
Generic Alternatives
- Allylestrenol 5 mg tablet
Brand Alternatives
- Gestin Tablet