Dose of vitamin A prophytaxis given in age group 1– 6 years –
**Core Concept**
The question is testing the knowledge of vitamin A prophylaxis dosing in pediatric patients. Vitamin A prophylaxis is an essential public health measure to prevent vitamin A deficiency and its consequences, such as night blindness, impaired immune function, and increased mortality. The World Health Organization (WHO) recommends vitamin A supplementation for children in regions with high prevalence of vitamin A deficiency.
**Why the Correct Answer is Right**
The correct dose of vitamin A prophylaxis for children aged 1-6 years is 100,000 IU (International Units) every 4-6 months. This dosing schedule is based on the WHO recommendations to ensure adequate vitamin A levels in the body and prevent deficiency. The dose is administered orally, and the child should be supervised to ensure the correct dose is given.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not specify the correct dose or schedule for vitamin A prophylaxis in children aged 1-6 years.
* **Option B:** This option is incorrect because it does not match the recommended dose or schedule for vitamin A prophylaxis in children aged 1-6 years.
* **Option C:** This option is incorrect because it does not specify the correct dose or schedule for vitamin A prophylaxis in children aged 1-6 years.
**Clinical Pearl / High-Yield Fact**
It's essential to note that vitamin A supplementation should only be given under the supervision of a healthcare provider, and the correct dose and schedule should be followed to prevent overdose and toxicity.
**Correct Answer:** D. 100,000 IU every 4-6 months.