Tera-D3 Im/Oral Ampul

In the world of pharmaceuticals, precision and knowledge are key. Tera-D3, a medication enriched with Vitamin D3 as its active component, emerges as a vital player in the realm of healthcare. This guide aims to shed light on its forms and applications to dosage and interactions.

Dosage form

Pack size


300.000 Iu/Ml 1X1Ml



Generic Name (Ingredient)

7.5 Mg (300.000 I.U.) Contains Vitamin D3.

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Forms and Composition

Tera-D3 is available in two distinct forms, each catering to specific needs:

1. Oral Solution: Encased in a 15 mL bottle, the oral solution offers a convenient method of administration.

2. Intramuscular Ampule: The IM ampule, a 2 mL colored vial housing 1 mL of solution, provides an alternative for those requiring a different approach.

Harnessing the Power of Tera-D3

What is Tera-D3 Used For?

Tera-D3 finds its primary purpose in addressing Vitamin D deficiency, especially in individuals grappling with gastrointestinal absorption disorders. Vitamin D, a crucial component, facilitates the absorption of calcium and phosphate in the body, pivotal for normal bone calcification.

Decoding the Ingredients of Tera-D3

Active Ingredient: At the heart of Tera-D3 lies Vitamin D3, the driving force behind its efficacy.

Inactive Ingredients (2 mL Ampule): The 2 mL ampule, aside from Vitamin D3, features Butylhydroxytoluene and sunflower oil as inactive components.

Inactive Ingredients (Oral Solution): For the oral solution, Butylhydroxyanisole and sunflower oil complement Vitamin D3.

Dosage and Administration

When it comes to Tera-D3, precision is paramount. Adhering to your healthcare provider’s instructions is vital. The medicine should be administered exactly as prescribed, with no deviations in dosage. Should questions arise, consulting your doctor or pharmacist is recommended.

Side Effects

As with any medication, Tera-D3 may trigger side effects. If you encounter any adverse reactions, it’s imperative to promptly seek guidance from your healthcare professional. Particular care should be exercised when dealing with Tera-D3 if you have specific medical conditions or are concurrently using other Vitamin D-containing medications. Continuous Vitamin D3 intake necessitates monitoring of kidney functions.

Proper Storage

To maintain its efficacy, Tera-D3 should be stored at temperatures below 25°C. Additionally, it must be kept out of the reach and sight of children.

Demystifying the Dosage of Tera-D3

The recommended dosage for Tera-D3 varies according to its form and the medical condition it addresses. Precision in adherence to your healthcare provider’s guidance is essential. Here’s a breakdown of the recommended dosages:

Oral Solution (Colecalciferol – Vitamin D3): The recommended dosage ranges from 5-10 mcg or 1-2 mL (200-400 IU) per day, precisely as directed by your physician.

Chewable Tablet Form: Tera-D3 (Vitamin D3) is typically prescribed at a dose of 100 IU (1 tablet) daily, or in accordance with your physician’s instructions. It should be taken with food or within 1 hour after a meal.

Duration of Treatment

The duration of Tera-D3 treatment hinges on individual conditions and the severity of Vitamin D deficiency. For individuals with 25-hydroxyvitamin D (25[OH]D) levels below 12 ng/mL (30 nmol/L), the treatment regimen often commences with 25,000 to 50,000 international units (625 to 1250 micrograms) of vitamin D2 or D3 taken orally once a week for six to eight weeks.

Following this, a maintenance therapy of 800 to 1000 international units (20 to 25 micrograms), or more, of vitamin D3 daily is recommended. For specific conditions, the equivalent dose may be higher, up to a maximum of 4000 IU daily, with guidance from a specialist. As always, strict adherence to your doctor’s or pharmacist’s instructions is crucial.

How Long Until Tera-D3 Takes Effect?

The timeframe for Tera-D3 to yield results is variable, contingent on the individual’s condition and the extent of Vitamin D deficiency. Individuals with 25-hydroxyvitamin D (25[OH]D) levels below 12 ng/mL (30 nmol/L) typically undergo an initial treatment phase of 25,000 to 50,000 international units (625 to 1250 micrograms) of vitamin D2 or D3 taken orally once a week for six to eight weeks.

Subsequently, the maintenance therapy begins, involving 800 to 1000 international units (20 to 25 micrograms) or more of vitamin D3 daily. Rigorous adherence to healthcare professional instructions remains paramount.

Deciphering the Vitamin D Dichotomy: D2 vs. D3

Vitamin D2 and Vitamin D3 represent two facets of Vitamin D, distinguished by their molecular structures and dietary origins. While both play a pivotal role in facilitating calcium absorption, regulating bone growth, and contributing to immune function, their sources and effectiveness diverge.

Vitamin D2 (Ergocalciferol): This form primarily originates from plant sources and fortified foods.

Vitamin D3 (Cholecalciferol): Found solely in animal-sourced foods, it is renowned for its enhanced effectiveness in raising blood levels of Vitamin D, as suggested by research.

Harmonizing Tera-D3 with Other Medications

Tera-D3 can be harmoniously integrated with other medications, yet it is imperative to disclose your current medication regimen to your doctor or pharmacist. Vitamin D3 (cholecalciferol) has interactions with 69 known drugs and 5 diseases. Of these interactions, 12 are categorized as major, 56 as moderate, and 1 as minor. Vigilance in medication management is advised.


In conclusion, Tera-D3 stands as a formidable tool in addressing Vitamin D deficiency, bolstered by its precision dosing and versatility in form. Understanding its nuances, from composition to administration, is paramount for optimal results. Moreover, integrationwith other medications warrants careful consideration, ensuring a harmonious approach to healthcare.


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The information on this page is not intended to be a substitute for professional medical advice, diagnosis, or treatment. always seek the advice for your physician or another qualified health provider with any questions you may have regarding a medical condition. Always remember to

  1. Ask your own doctor for medical advice.
  2. Names, brands, and dosage may differ between countries.
  3. When not feeling well, or experiencing side effects always contact your own doctor.


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