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Ad-D Chewable Tablets | Vitamin D3 Supplement Dose

Ad-D Chewable Tablets Specification

  • Brand Name: Ad-D Chewable

  • Generic Name: Cholecalciferol (Vitamin D3)

  • Drug Class: Vitamin D Analog

  • Form: Chewable Tablets

  • Strength: 200,000 IU (commonly per tablet)

  • Pack Size: As per packaging

  • Prescription Required: Yes

How It Works

Cholecalciferol (Vitamin D3) is naturally synthesized in the skin under UV light and becomes biologically active after metabolism in the liver and kidneys, forming 1,25-dihydroxycholecalciferol. This active form helps regulate calcium and phosphate balance in the body, ensuring healthy bone and muscle function.

Ad-D Chewable Usage and Safety


Dosage
Adults & Children (as advised): Typically, one chewable tablet as per physician’s recommendation.
Must be taken with or after meals, preferably with a calcium supplement if required.

Always follow your doctor’s dosage instructions. Do not exceed the recommended dose.

Side Effects

Common:

  • Nausea

  • Vomiting

  • Mental confusion

  • Weakness

Chronic or Severe (seek medical help):

  • Kidney stones

  • Increased urination or thirst (polyuria/polydipsia)

  • Weight loss

  • Calcium deposits in soft tissues (nephrocalcinosis, calcification)

  • Arrhythmia or unconsciousness (in overdose)

Drug Interactions

  • Thiazide diuretics – may increase calcium levels

  • Phenytoin, barbiturates – may reduce vitamin D effect

  • Digoxin – increased risk of heart issues

  • Magnesium-containing antacids – risk of magnesium overload

  • Cholestyramine, colestipol, mineral oil – may reduce vitamin D absorption

  • Glucocorticoids – may interfere with calcium and vitamin D metabolism

Indication
Ad-D Chewable is used for:

  • Prevention and treatment of Vitamin D deficiency

  • Support in osteoporosis, rickets, and osteomalacia

  • Supplementation in individuals with malabsorption syndromes, chronic diseases, or restricted sun exposure

🚫 When Not to Use

Do not use Ad-D if you have:

  • Known hypersensitivity to Cholecalciferol

  • Hypercalcemia (high calcium levels)

  • Hypercalciuria (excess calcium in urine)

  • History of calcium-containing kidney stones

  • Pseudohypoparathyroidism

⚠️ Ad-D Chewable Precautions

  • Do not combine with other vitamin D supplements unless prescribed

  • Monitor calcium levels in blood and urine during long-term use

  • Use caution in patients with kidney impairment

  • Use only under medical supervision in children and elderly

⚠️ Ad-D Chewable Warnings


Warning 1: Caution in patients with impaired kidney calcium/phosphate excretion
Warning 2: Stop or reduce dose if hypercalcemia or renal dysfunction occurs
Warning 3: Patients with sarcoidosis may convert vitamin D excessively; use with caution

Pregnancy Category


Always consult your physician before using during pregnancy or breastfeeding. Not recommended in unmonitored high doses.

Storage


Store below 25°C, away from direct sunlight, heat, and moisture.
Keep out of reach of children.