Isoxsprin Tablet SR (Ritodrine): 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
- Chest pain or tightness
- Severe shortness of breath
- Irregular or very fast heartbeat
- Fainting or severe dizziness
- Swelling of face, lips, or throat
- Severe headache with visual changes
- Decreased urine output or swelling in the legs
If experiencing severe symptoms, call emergency services immediately.
What is isoxsprin tablet sr used for?
This medicine contains ritodrine, a beta-2 adrenergic agonist used to relax the uterus and reduce contractions in preterm labour. It is a prescription-only medicine that must be used under specialist supervision with monitoring of heart rate, blood pressure, blood sugar, and potassium levels.
- Generic Name: Ritodrine (NA)
- Manufacturer: Dahlia Pharmaceutical Pvt Ltd
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 isoxsprin tablet sr के बारे में (Hindi Summary)
उपयोग: यह दवा रिटोड्रिन नामक सक्रिय तत्व से बनी है और इसे प्रसव पूर्व संकुचन को कम करने के लिए इस्तेमाल किया जाता है। यह मुख्य रूप से समय से पहले प्रसव की स्थिति में गर्भाशय की मांसपेशियों को शिथिल करने के लिए दी जाती है, ताकि प्रसव को कुछ समय के लिए टाला जा सके। यह दवा केवल योग्य स्त्री रोग विशेषज्ञ की देखरेख में ही ली जानी चाहिए और इसका सेवन स्वयं शुरू या बंद नहीं करना चाहिए। इलाज के दौरान हृदय गति, रक्तचाप, रक्त शर्करा और पोटैशियम की निगरानी की जरूरत हो सकती है।
साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में धड़कन तेज होना, हाथ कांपना, घबराहट, सिरदर्द, चेहरे पर गर्मी लगना, मतली और पसीना आना शामिल हैं। कुछ मामलों में सीने में दर्द, सांस लेने में कठिनाई, अनियमित धड़कन या रक्तचाप में गिरावट जैसी गंभीर समस्याएं भी हो सकती हैं। अगर ऐसे लक्षण दिखें तो तुरंत डॉक्टर से संपर्क करें।
सुरक्षा सलाह: यह दवा केवल डॉक्टर की सलाह और निगरानी में ही लें। अपनी अन्य सभी दवाओं, सप्लीमेंट्स और हर्बल उत्पादों की जानकारी डॉक्टर को दें। इलाज के दौरान शराब न लें और तेज धड़कन, चक्कर या कंपन महसूस होने पर वाहन न चलाएं। दवा को अचानक बंद न करें। सीने में दर्द, सांस लेने में तकलीफ या चेहरे पर सूजन होने पर तुरंत आपातकालीन चिकित्सा सहायता लें।
💊 isoxsprin tablet sr Uses & Benefits
[{"condition":"Preterm labour suppression (tocolysis)","description":"This medicine is used to relax the uterine muscle and reduce contractions in order to delay premature delivery when it is medically appropriate to do so.","evidence":"Established in obstetric practice, though use is restricted to supervised hospital or specialist settings."},{"condition":"Short-term prolongation of pregnancy","description":"In selected cases, this medicine may be used to gain time for other interventions, such as administration of antenatal corticosteroids or transfer to a facility with neonatal intensive care.","evidence":"Established in specialist obstetric practice."}]
Off-label uses: [{"condition":"Other conditions involving uterine hypercontractility","description":"There may be rare situations where a clinician considers this medicine for other uterine contraction-related problems, but this is not a standard approved use.","evidence":"Limited and not established from the available information."}]
Primary treatment for: Preterm labour
Also treats: Uterine hypercontractility
📋 Drug Information
| Generic Name(s) | Ritodrine (NA) |
| Brand Name | isoxsprin tablet sr |
| Manufacturer | Dahlia Pharmaceutical Pvt Ltd |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | GYNAECOLOGICAL |
| Action Class | Beta 2 agonist - Uterus |
| Route of Administration | Oral |
| Storage | Store at room temperature between 15°C and 30°C in a dry place, away from direct sunlight and moisture. Keep in the original container. |
| Shelf Life | Not established from the available information. Refer to the product packaging for 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
This medicine works by selectively stimulating beta-2 adrenergic receptors located on the smooth muscle cells of the uterus. When ritodrine binds to these receptors, it activates a signalling pathway that increases the level of cyclic adenosine monophosphate inside the cell. This leads to relaxation of the uterine smooth muscle and a reduction in the strength and frequency of contractions. Because beta-2 receptors are also present in other tissues, the medicine can affect the heart, blood vessels, and metabolic processes, which explains many of its side effects. The sustained-release tablet formulation is designed to release the active ingredient gradually, which may help maintain a more consistent effect over the dosing interval.
Mechanism Steps
💡 How to Take isoxsprin tablet sr
Strength: Sustained-release tablet. Strength not established from the available information.
Dosage Information
| Adult Dosage | The dose of this medicine is individualized by a qualified clinician based on the clinical situation, response to treatment, and monitoring parameters. It is used in supervised obstetric settings, and the dose may be adjusted according to uterine contraction frequency, heart rate, blood pressure, and laboratory results. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function. Do not self-adjust the dose. |
| Pediatric Dosage | Pediatric dosing is not established from available information. Consult a pediatrician. |
| Elderly Dosage | This medicine is not intended for use in the elderly for its approved obstetric indication. Any use in older patients would require specialist assessment of heart, kidney, and liver function. |
| Renal Impairment | Not established from the available information. Use with caution in patients with kidney disease, and dose adjustment may be required as determined by a qualified clinician. |
| Hepatic Impairment | Not established from the available information. Use with caution in patients with liver disease, and dose adjustment may be required as determined by a qualified clinician. |
| Maximum Daily Dose | Not established from the available information. The maximum dose must be determined by a qualified clinician based on individual patient factors and monitoring. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of isoxsprin tablet sr
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Propranolol | Major | |
| Other beta-agonists | Major | |
| Corticosteroids | Major | |
| Diuretics | Moderate | |
| Antidiabetic medicines | Moderate | |
| Digoxin | Moderate | |
| Caffeine | Minor |
🚨 Major Interactions
- Beta-blockers such as propranolol
- Other sympathomimetic agents
- Corticosteroids
⚡ Moderate Interactions
- Diuretics
- Antidiabetic medicines
- Digoxin
🍷 Alcohol Interaction
Alcohol should be avoided while taking this medicine because it can worsen dizziness, low blood pressure, and rapid heartbeat, and it may interfere with the overall management of preterm labour.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Known allergy to ritodrine or any component of this medicine","Heart disease or abnormal heart rhythms","Uncontrolled high blood pressure","Severe liver or kidney disease","Conditions where delaying delivery is not advisable, such as severe bleeding or infection","Pre-eclampsia or eclampsia","Untreated diabetes with poor control"]
⚠️ Warnings & Precautions
["This medicine must only be used under specialist supervision.","Report chest pain, palpitations, or breathing difficulty immediately.","Blood sugar and potassium levels may need monitoring.","Avoid alcohol during treatment.","Do not stop the medicine suddenly without medical advice.","Inform your clinician about all other medicines you are taking.","Use with caution in patients with heart, liver, kidney, or thyroid disease."]
🤱 Lactation Safety
Not established from the available information. Breastfeeding mothers should consult their clinician before using this medicine.
💊 Overdose Management
Overdose of this medicine can cause severe fast heartbeat, chest pain, low blood pressure, and metabolic disturbances. If overdose is suspected, seek emergency medical care immediately. Treatment is supportive and may include monitoring of heart rate, blood pressure, blood sugar, and potassium levels, along with appropriate medical interventions as determined by the treating clinician.
⏰ Missed Dose
If you miss a dose of this medicine, take it as soon as you remember if less than half the dosing interval has passed. If more than half the dosing interval has passed, skip the missed dose and continue with your regular schedule. Do not take a double dose to make up for a missed one. Inform your clinician about any missed doses.
Additional Safety Advice
This medicine must only be used under the direct supervision of a qualified obstetrician or clinician, and it is not suitable for self-medication. Patients should inform their medical team about all other medicines, supplements, and herbal products they are taking, because this medicine can interact with several drugs, including those for heart conditions, blood pressure, diabetes, and asthma. Regular monitoring of heart rate, blood pressure, blood sugar, and blood potassium may be required during treatment. Patients should avoid alcohol while taking this medicine, as it can worsen some side effects. Driving or operating heavy machinery should be avoided if the patient feels dizzy, shaky, or has a rapid heartbeat. This medicine should not be stopped suddenly without medical advice, because stopping abruptly may lead to a return of uterine contractions. Any signs of chest pain, severe breathlessness, irregular heartbeat, or swelling of the face and throat require immediate medical attention. Pregnant patients should discuss the risks and benefits with their clinician before starting this medicine, and breastfeeding mothers should seek medical guidance before use.
👴 Special Considerations for Elderly
💡 For Patients Above 65
This medicine is not intended for use in the elderly for its approved obstetric indication. Any use in older patients would require specialist assessment.
🤰 Pregnancy Planning (TTC)
This medicine is used during pregnancy for specific obstetric indications under specialist supervision. If you are planning pregnancy or are pregnant, discuss the risks and benefits with your clinician before using this medicine.
🏥 Post-Surgery Considerations
Not established from the available information. Consult your clinician for guidance.
🦷 Dental Procedures
Inform your dentist about this medicine before any dental procedure. Your clinician may provide specific advice based on your condition.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
Avoid strenuous exercise while taking this medicine, especially if you experience dizziness, palpitations, or shortness of breath. Follow your clinician's advice regarding activity levels.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine may cause dizziness, tremor, or fast heartbeat, which can affect your ability to drive or operate machinery. Avoid these activities until you know how the medicine affects you. Discuss work adjustments with your clinician if needed.
🛑 When to Stop This Medicine
Do not stop this medicine on your own. Your clinician will decide when and how to stop it based on your condition and response to treatment. Stopping suddenly may lead to a return of contractions.
📅 Long-Term Use Effects
Long-term effects of this medicine are not established from the available information. It is generally used for short-term management in supervised settings. Prolonged use may require monitoring of heart function, blood sugar, and potassium levels. Regular review by your clinician is essential.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Other medicines may be used to suppress preterm labour depending on the clinical situation.
Evidence: Established in specialist practice.May be advised in some cases as supportive care.
Evidence: Limited and individualized.💉 Vaccination Considerations
💉 If You're Getting Vaccinated
Not established from the available information. Discuss vaccination timing with your clinician.
📦 Storage Guide
✅ DO
Store at room temperature between 15°C and 30°C
❌ DON'T
Do not refrigerate unless specified
✅ DO
Keep in the original container
❌ DON'T
Do not transfer to unmarked containers
✅ DO
Keep away from direct sunlight and moisture
❌ DON'T
Do not store in the bathroom cabinet
✈️ Traveling with This Medicine
Carry this medicine in its original packaging with a copy of your prescription. Store it at room temperature and protect it from direct sunlight and moisture during travel. If crossing time zones, discuss any dosing schedule adjustments with your clinician beforehand. Check local customs regulations for carrying prescription medicines and carry a doctor's letter if required.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: The onset of action depends on the individual and the clinical situation. Your clinician will monitor your contractions and vital signs to assess the response.
A: No. This medicine must only be used under specialist supervision in a setting where monitoring is available.
A: This medicine is used in specific obstetric situations when the benefit is considered to outweigh the risk. Your clinician will discuss the risks and benefits with you.
🤔 Common Patient Concerns
🔄 Substitutes for isoxsprin tablet sr
View AllAlternative brands with exact same active ingredient:
-
z ox tabletEcstasy Biotech Pvt Ltd ₹43.00 15.5% CHEAPER
-
Riten TabletKamron Laboratories Ltd ₹68.98 35.5% COSTLIER
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: This medicine can be taken safely without medical supervision.
Fact: This medicine is a prescription-only product that must only be used under specialist supervision because it can affect the heart, blood pressure, and metabolism. - Myth: This medicine is a general medicine for all types of pain.
Fact: This medicine is not a painkiller. It is used specifically to relax the uterus and reduce contractions in preterm labour.