Zadilex Tablet: Comprehensive Guide to Uses, Side Effects, and Safety
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026
When to Call Your Doctor IMMEDIATELY
- Severe dizziness or fainting
- Chest pain or difficulty breathing
- Irregular heartbeat or palpitations
- Confusion or excessive thirst
- Blood in urine or severe flank pain
- Swelling of face, lips, or throat
- Persistent vomiting or severe abdominal pain
If experiencing severe symptoms, call emergency services immediately.
What is zadilex tablet used for?
This medicine is a combination of calcium citrate and L-arginine used to support bone health and cardiovascular function. It is not a treatment for acute conditions and should be taken under medical supervision.
- Generic Name: Calcium citrate (100mg) + L-Arginine (1000mg)
- Manufacturer: Ilex Biologicals Pvt Ltd
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 zadilex tablet के बारे में (Hindi Summary)
उपयोग: यह दवा कैल्शियम सिट्रेट और एल-आर्जिनिन का संयोजन है, जिसका उपयोग हड्डियों की मजबूती और रक्त वाहिकाओं के स्वास्थ्य को बेहतर बनाने के लिए किया जाता है। कैल्शियम सिट्रेट हड्डियों के घनत्व को बनाए रखने में मदद करता है, जबकि एल-आर्जिनिन नाइट्रिक ऑक्साइड का निर्माण करके रक्त प्रवाह को सुधारता है। यह दवा उन लोगों के लिए उपयोगी हो सकती है जिनमें कैल्शियम की कमी है या जिन्हें हृदय और रक्त वाहिका संबंधी सहायता की आवश्यकता है। हालांकि, यह किसी भी गंभीर बीमारी का इलाज नहीं है और इसे डॉक्टर की सलाह के बिना नहीं लेना चाहिए।
साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में पेट में हल्की गड़बड़ी, जी मिचलाना, कब्ज, या पेट फूलना शामिल हो सकते हैं। कुछ लोगों को सिरदर्द, चक्कर आना, या रक्तचाप में कमी का अनुभव हो सकता है। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन यदि आपको बेहोशी, सीने में दर्द, सांस लेने में कठिनाई, या पेशाब में कमी महसूस हो, तो तुरंत डॉक्टर से संपर्क करें।
सुरक्षा सलाह: इस दवा को डॉक्टर की सलाह के अनुसार ही लें। इसे भोजन के साथ लें ताकि पेट की परेशानी कम हो। कैल्शियम अन्य दवाओं के अवशोषण को प्रभावित कर सकता है, इसलिए एंटीबायोटिक्स या थायरॉइड की दवाओं के साथ कम से कम 2 घंटे का अंतराल रखें। यदि आपको गुर्दे की बीमारी, हृदय रोग, या कैल्शियम की पथरी की समस्या है, तो इस दवा को लेने से पहले डॉक्टर से परामर्श करें। गर्भावस्था या स्तनपान के दौरान डॉक्टर की सलाह अवश्य लें।
💊 zadilex tablet Uses & Benefits
- [{"condition":"Bone health support","description":"Calcium citrate provides a bioavailable form of calcium that helps maintain bone mineral density and may reduce the risk of osteoporosis when combined with adequate vitamin D and a balanced diet.","evidence":"Well-established for calcium supplementation"},{"condition":"Cardiovascular and endothelial support","description":"L-arginine acts as a nitric oxide precursor, which can improve endothelial function and support healthy blood flow.
- It is sometimes used as an adjunct in patients with mild vascular dysfunction.","evidence":"Moderate, based on small clinical studies"},{"condition":"Nutritional supplementation in increased demand","description":"This combination may be prescribed for individuals with increased calcium and amino acid requirements due to poor dietary intake, malabsorption, or recovery from illness.","evidence":"Supportive, based on clinical judgment"},{"condition":"Exercise performance and muscle recovery","description":"L-arginine is sometimes used to support exercise capacity and muscle recovery, although evidence is mixed and not definitive.","evidence":"Limited"}]
Off-label uses: [{"condition":"Erectile dysfunction","description":"L-arginine has been studied off-label for mild erectile dysfunction due to its nitric oxide-mediated vasodilation, but it is not a first-line treatment.","evidence":"Limited"},{"condition":"Preeclampsia prevention","description":"L-arginine has been investigated as an adjunct in high-risk pregnancies, but this use is not standard and must only be under specialist care.","evidence":"Limited"},{"condition":"Sickle cell disease vaso-occlusive crisis","description":"L-arginine supplementation has been explored to improve nitric oxide availability, but evidence is not sufficient for routine use.","evidence":"Limited"}]
Primary treatment for: Nutritional supplementation and vascular support
Also treats: Osteoporosis prevention, Endothelial dysfunction, Mild hypertension, Peripheral artery disease
📋 Drug Information
| Generic Name(s) | Calcium citrate (100mg) + L-Arginine (1000mg) |
| Brand Name | zadilex tablet |
| Manufacturer | Ilex Biologicals Pvt Ltd |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | VITAMINS MINERALS NUTRIENTS |
| Action Class | |
| Route of Administration | Oral |
| Storage | Store at room temperature between 15°C and 30°C, away from direct sunlight and moisture. Keep the tablets in their original container. |
| Shelf Life | 24 months from the date of manufacture, or as printed on the packaging. |
| 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 combines two active ingredients with distinct but complementary roles. Calcium citrate dissociates in the stomach to release calcium ions, which are absorbed in the small intestine. Calcium ions are essential for bone mineralization, muscle contraction, nerve impulse transmission, and blood coagulation. L-arginine is a substrate for nitric oxide synthase enzymes, which convert it into nitric oxide and citrulline. Nitric oxide diffuses into vascular smooth muscle cells and activates guanylate cyclase, raising cyclic GMP levels, which leads to smooth muscle relaxation and vasodilation. This improves blood flow and reduces vascular resistance. The combination does not directly treat any single disease but supports physiological processes related to bone and vascular health.
Mechanism Steps
💡 How to Take zadilex tablet
Strength: Each tablet contains calcium citrate 100 mg and L-arginine 1000 mg.
Dosage Information
| Adult Dosage | The usual adult dose of this medicine is one tablet taken orally once or twice daily, preferably with meals, or as directed by your physician. The exact dose and frequency depend on the clinical indication, your dietary intake, and your overall health status. 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 | Elderly patients may be more sensitive to the effects of calcium and L-arginine, particularly regarding blood pressure and kidney function. Dose adjustments may be necessary based on renal function and concomitant medications. Consult a healthcare provider for individualized dosing. |
| Renal Impairment | In patients with mild to moderate renal impairment, this medicine should be used with caution and under medical supervision. In severe renal impairment, it is contraindicated due to the risk of hypercalcemia and worsening kidney function. Dose adjustments are not established from the available information; consult a nephrologist. |
| Hepatic Impairment | No specific dose adjustments are established for hepatic impairment. However, L-arginine is metabolized in the liver, so caution is advised in patients with severe liver disease. Consult a hepatologist for individualized dosing. |
| Maximum Daily Dose | The maximum daily dose should not exceed the amount prescribed by your doctor. Generally, calcium intake from all sources should not exceed 2000 mg per day for adults. L-arginine doses above 3000 mg per day should only be used under medical supervision. Specific maximum daily dose for this combination is not established from the available information. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of zadilex tablet
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Tetracycline | Major | |
| Fluoroquinolone | Major | |
| Levothyroxine | Major | |
| Antihypertensives | Major | |
| PDE-5 inhibitors | Major | |
| Thiazide diuretics | Moderate | |
| Iron supplements | Moderate | |
| Bisphosphonates | Moderate | |
| Digoxin | Moderate | |
| Corticosteroids | Minor |
🚨 Major Interactions
- Tetracycline antibiotics
- Fluoroquinolone antibiotics
- Levothyroxine
- Antihypertensive drugs
- Phosphodiesterase-5 inhibitors (e.g., sildenafil)
⚡ Moderate Interactions
- Thiazide diuretics
- Iron supplements
- Bisphosphonates
- Digoxin
🍷 Alcohol Interaction
Alcohol may increase calcium excretion and reduce bone density, potentially counteracting the benefits of calcium supplementation. Alcohol can also enhance the vasodilatory effect of L-arginine and increase the risk of hypotension. It is advisable to limit or avoid alcohol while taking this medicine.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Hypercalcemia","Severe renal impairment or chronic kidney disease stage 4-5","History of calcium-containing kidney stones","Hyperparathyroidism","Sarcoidosis","Known hypersensitivity to calcium citrate or L-arginine"]
⚠️ Warnings & Precautions
["Use with caution in patients with cardiovascular disease, especially those on antihypertensive drugs.","Monitor blood pressure regularly if you are taking blood pressure medications.","Avoid in patients with active herpes simplex infection, as L-arginine may promote viral replication.","Use with caution in patients with asthma, as L-arginine may worsen bronchospasm in some individuals.","Do not exceed the recommended dose without medical supervision.","Keep out of reach of children.","Inform your doctor if you are pregnant, planning pregnancy, or breastfeeding.","Discontinue and seek medical advice if you experience signs of hypercalcemia or severe hypotension."]
🤱 Lactation Safety
Calcium citrate is considered safe during breastfeeding as it is a normal dietary component. L-arginine is also a natural amino acid present in breast milk, but high-dose supplementation during lactation should be discussed with a healthcare provider. The safety of this specific combination during breastfeeding is not established from the available information.
💊 Overdose Management
Overdose of this medicine may lead to hypercalcemia, nausea, vomiting, confusion, excessive thirst, frequent urination, and hypotension. If you suspect an overdose, seek immediate medical attention. Treatment is supportive and may include intravenous fluids, discontinuation of the medicine, and monitoring of serum calcium and electrolytes. In severe cases, hospitalization may be required.
⏰ Missed Dose
If you miss a dose, take it as soon as you remember, unless it is almost time for your next dose. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose to make up for a missed one.
Additional Safety Advice
Take this medicine exactly as advised by your doctor or healthcare provider. Do not exceed the recommended dose. Swallow the tablet whole with a full glass of water, preferably with a meal to improve tolerance and absorption. Avoid taking it at the same time as iron supplements, tetracycline antibiotics, or thyroid medicines, as calcium can reduce their absorption; maintain a gap of at least two hours. If you have kidney disease, heart failure, sarcoidosis, or a history of kidney stones, consult your doctor before use. Monitor your blood pressure if you are on antihypertensive drugs, as L-arginine may enhance their effect. Do not start or stop this medicine without medical advice. Keep all follow-up appointments and report any new symptoms promptly. Store the tablets in a cool, dry place away from direct sunlight and out of reach of children.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Elderly patients may be more susceptible to hypercalcemia, hypotension, and kidney dysfunction. Regular monitoring of serum calcium, kidney function, and blood pressure is recommended. Dose adjustments may be necessary based on renal function and concomitant medications. Falls risk may increase if dizziness occurs.
🤰 Pregnancy Planning (TTC)
If you are planning to become pregnant, consult your doctor before taking this medicine. Adequate calcium intake is important for fetal development, but high-dose L-arginine supplementation should only be used under medical supervision. Your doctor may recommend a different supplement or dose.
🏥 Post-Surgery Considerations
After surgery, your doctor will determine if this medicine is appropriate. Calcium and L-arginine may support recovery, but they can interact with medications used during and after surgery. Always inform your surgical team about all supplements you are taking.
🦷 Dental Procedures
There are no specific contraindications for dental procedures while taking this medicine. However, inform your dentist about all medications and supplements you are taking, especially if you are on blood thinners or have cardiovascular conditions.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
Moderate exercise is generally safe while taking this medicine. However, if you experience dizziness or hypotension, avoid strenuous activities until you feel better. Consult your doctor before starting any new exercise program, especially if you have cardiovascular or kidney disease.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine is unlikely to affect your ability to work or perform daily activities. However, if you experience dizziness or low blood pressure, avoid driving or operating heavy machinery until you know how the medicine affects you. Inform your employer if you have any specific safety-sensitive duties.
🛑 When to Stop This Medicine
Do not stop taking this medicine without consulting your doctor. If you experience severe side effects such as persistent hypotension, signs of hypercalcemia, or allergic reactions, stop the medicine and seek immediate medical attention. Your doctor may adjust the dose or recommend an alternative.
📅 Long-Term Use Effects
Long-term use of this medicine may help maintain bone mineral density and support vascular health. However, excessive calcium intake over a long period can lead to hypercalcemia, kidney stones, and vascular calcification. Regular monitoring of serum calcium, kidney function, and blood pressure is recommended. L-arginine is generally well tolerated long-term, but high doses may cause gastrointestinal upset or hypotension. Periodic review with your doctor is advised to ensure ongoing benefit and safety.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Increasing dietary calcium and protein can support bone and vascular health without supplements.
Evidence: Well-establishedWeight-bearing and cardiovascular exercises improve bone density and circulation.
Evidence: Well-establishedPractices like yoga and meditation can support cardiovascular health.
Evidence: Moderate💉 Vaccination Considerations
💉 If You're Getting Vaccinated
There are no known interactions between this medicine and vaccines. You can receive vaccinations as scheduled. However, always inform your healthcare provider about all supplements and medications you are taking.
📦 Storage Guide
✅ DO
Store at room temperature (15-30°C)
❌ DON'T
Do not refrigerate unless specified
✅ DO
Keep in original container
❌ DON'T
Do not transfer to unmarked containers
✅ DO
Keep away from direct sunlight
❌ DON'T
Do not store in bathroom cabinet
✅ DO
Keep out of reach of children
❌ DON'T
Do not use after expiry date
✈️ Traveling with This Medicine
When traveling, carry this medicine in its original packaging with a copy of your prescription. Store it in a cool, dry place away from direct sunlight. If crossing time zones, continue taking your doses at regular intervals as prescribed; no specific time zone adjustment is required for this supplement. Check customs regulations for bringing supplements into your destination country. Keep enough supply for the duration of your trip.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: The effects on bone health are gradual and may take several weeks to months. The vascular effects of L-arginine may begin within 30 to 60 minutes after a dose, but consistent use is needed for sustained benefits.
A: You should consult your doctor before combining with other supplements, especially those containing calcium, vitamin D, or other amino acids, to avoid interactions or excessive intake.
A: Calcium citrate may increase the risk of kidney stones in susceptible individuals. If you have kidney disease, this medicine should be used with caution and under medical supervision.
A: Do not stop taking this medicine without consulting your doctor. Sudden discontinuation may not cause immediate harm, but your doctor may need to adjust your treatment plan.
🤔 Common Patient Concerns
🛑 Myths vs. Facts
- Myth: This medicine can cure high blood pressure.
Fact: This medicine may support vascular health but is not a treatment for high blood pressure. It should not replace prescribed antihypertensive medications. - Myth: More calcium always means stronger bones.
Fact: Excessive calcium can be harmful and may increase the risk of kidney stones and cardiovascular issues. Take only the recommended dose. - Myth: L-arginine is a steroid.
Fact: L-arginine is an amino acid, not a steroid. It supports nitric oxide production and vascular function.
🔄 Alternative Options
Generic Alternatives
- Calcium citrate 100 mg + L-arginine 1000 mg tablet (various manufacturers)
Brand Alternatives
- Zadilex Tablet