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One Alpha C 0.25mcg/250mg Tablet

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One Alpha C 0.25mcg/250mg Tablet is a nutritional supplement used in the treatment of nutritional deficiencies. It is primarily prescribed for calcium and vitamin D supplementation when your diet alone cannot provide the necessary amount.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 10 Oct 2026 | 01:03 AM (IST)

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General Information

Contains

Alfacalcidol (0.25mcg)+ Calcium (250mg)

Marketer

Sun Pharmaceutical Industries Ltd

The content is shown in English

Product introduction

One Alpha C 0.25mcg/250mg Tablet may be taken with or without food. Take it in the dose and duration advised by the doctor. Take it regularly at the same time each day to get maximum benefits from it. Do not take it more than or longer than prescribed by the doctor, as that may cause harmful effects.

It is generally safe with little or no side effects. However, if you experience any symptoms on taking this medicine, let your doctor know. They may be able to suggest ways to reduce or prevent the side effects.

Before taking the medicine, let your doctor know if you have any preexisting medical conditions or if you are taking any other medications. This will ensure your safety to use this medicine. Avoid taking this medicine if you have a known history of allergic reaction with any of the ingredients of this product.

Uses of One Alpha C Tablet

Treatment of Nutritional deficiencies

Benefits of One Alpha C Tablet

Treatment of Nutritional deficiencies
One Alpha C 0.25mcg/250mg Tablet is a nutritional supplement that is used to prevent or treat low blood calcium levels and vitamin D in people who do not get enough from their diets. It improves the level of calcium and vitamin D in the body. This helps keep your bones strong and healthy and reduce the risk of any bone disorders like osteoporosis. This medicine also helps in the normal functioning of nerves, cells, muscle and heart. Taking it as prescribed by the doctor to get the most benefit.

Side effects of One Alpha C 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 One Alpha C

Limited data available

How to use One Alpha C 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. One Alpha C 0.25mcg/250mg Tablet may be taken with or without food.

How One Alpha C Tablet works

One Alpha C 0.25mcg/250mg Tablet is often prescribed for the management of calcium and vitamin D deficiencies. Alfacalcidol is a synthetic form of vitamin D, specifically vitamin D3. It plays a crucial role in calcium and phosphorus metabolism. It enhances the absorption of calcium and phosphorus from the intestines, promotes bone mineralization, and helps regulate parathyroid hormone (PTH) secretion. Calcium is a mineral that is essential for various physiological functions in the body, including the formation and maintenance of strong bones and teeth, blood clotting, and muscle function. One Alpha C 0.25mcg/250mg Tablet helps ensure an adequate supply for these essential functions.

Quick tips

Follow the recommended dosage provided by your doctor.
While taking supplements, maintain a balanced diet that includes sources of calcium and vitamin D.
Periodic monitoring of calcium and vitamin D levels may be recommended.
Inform your doctor of any other medications or supplements you are taking to avoid potential interactions.
If you experience any unusual or severe side effects, such as gastrointestinal discomfort, nausea, or changes in urinary habits, notify your doctor promptly.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with One Alpha C 0.25mcg/250mg Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

One Alpha C 0.25mcg/250mg Tablet is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.

Breast feeding

CAUTION

One Alpha C 0.25mcg/250mg Tablet should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from the body.

Driving

UNSAFE

One Alpha C 0.25mcg/250mg Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

UNSAFE

One Alpha C 0.25mcg/250mg Tablet is unsafe to use in patients with kidney disease and should be avoided.

Liver

SAFE IF PRESCRIBED

One Alpha C 0.25mcg/250mg Tablet is probably safe to use in patients with liver disease. Limited data suggest dose adjustment may not be needed.

Frequently asked questions

What is One Alpha C 0.25mcg/250mg Tablet used for?

One Alpha C 0.25mcg/250mg Tablet is commonly used to treat or prevent calcium and vitamin D deficiencies, especially in the elderly, in people with osteoporosis or bone disorders. It supports bone health by helping your body absorb calcium better, which is essential for maintaining strong bones and preventing fractures.

Is One Alpha C 0.25mcg/250mg Tablet safe for long-term use?

Yes, when taken as prescribed, long-term use of One Alpha C 0.25mcg/250mg Tablet is considered safe. However, regular check-ups are necessary to monitor blood calcium levels and kidney function, especially in older adults or those on diuretics or heart medications.

Who should avoid taking One Alpha C 0.25mcg/250mg Tablet?

Individuals should avoid taking One Alpha C 0.25mcg/250mg Tablet if they have kidney stones, severe kidney problems, high blood calcium levels (hypercalcemia), vitamin D overdose, or if they are allergic to soy, peanuts, or any ingredient in One Alpha C 0.25mcg/250mg Tablet.

Can I take One Alpha C 0.25mcg/250mg Tablet with other medications?

One Alpha C 0.25mcg/250mg Tablet can interact with several medications, including thyroid medicine (levothyroxine), iron, antibiotics (tetracyclines, quinolones), diuretics, antacids, and heart drugs. Always inform your doctor about all medications and supplements you are taking to avoid reduced effectiveness or harmful effects.

What are the signs of overdose with One Alpha C 0.25mcg/250mg Tablet?

Overdosing on One Alpha C 0.25mcg/250mg Tablet can cause high calcium levels (hypercalcemia) with symptoms like vomiting, tiredness, confusion, frequent urination, bone pain, or irregular heartbeat. Seek immediate medical attention if you notice any of these signs.

Do I need to avoid any food or drinks while taking One Alpha C 0.25mcg/250mg Tablet?

You should avoid foods high in oxalic acid (like spinach or rhubarb) or phytic acid (like bran) around the time you take One Alpha C 0.25mcg/250mg Tablet, as they can reduce calcium absorption. Also, avoid taking it at the same time as iron or zinc supplements.

Is One Alpha C 0.25mcg/250mg Tablet safe for patients with kidney disease?

One Alpha C 0.25mcg/250mg Tablet is not recommended for patients with severe kidney impairment, as it can worsen calcium buildup or lead to kidney stones. Special care is needed for people with even mild kidney issues.

Fact Box

Habit Forming

Therapeutic Class

VITAMINS MINERALS NUTRIENTS

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Iron Serum

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Vitamin B12

References

MIMS Singapore. Alfacalcidol - Intravenous: Patient Medicine Information. [Accessed 05 Dec. 2023] (online) Available from:

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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: Sun Pharmaceutical Industries Ltd
Address: Plot no 107/108,Namli block , Ranipool, East Sikkim 737135 || Khasra No. 1335-1340,Near EPIP- I, Vill - Bhatoli Kalan ,Baddi, Solan, Himachal Pradesh, 173205 || Acme Plaza, Andheri-Kurla Road, Andheri (East), Mumbai, Maharashtra -400059

Vendor Details

Country of origin: India

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One Alpha C 0.25mcg/250mg Tablet

One Alpha C 0.25mcg/250mg Tablet

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General Information

Contains

Marketer

Product introduction

Uses of One Alpha C Tablet

Benefits of One Alpha C Tablet

Side effects of One Alpha C Tablet

How to use One Alpha C Tablet

How One Alpha C Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is One Alpha C 0.25mcg/250mg Tablet used for?

Is One Alpha C 0.25mcg/250mg Tablet safe for long-term use?

Who should avoid taking One Alpha C 0.25mcg/250mg Tablet?

Can I take One Alpha C 0.25mcg/250mg Tablet with other medications?

What are the signs of overdose with One Alpha C 0.25mcg/250mg Tablet?

Do I need to avoid any food or drinks while taking One Alpha C 0.25mcg/250mg Tablet?

Is One Alpha C 0.25mcg/250mg Tablet safe for patients with kidney disease?

Fact Box

Habit Forming

Therapeutic Class

Related lab tests

Ferritin

Iron Serum

Iron Studies

Vitamin B12

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests