# Diseases Caused by Vitamin and Mineral Deficiencies

A list of essential nutrients and the diseases resulting from their lack in the human body.

Canonical: https://gyanudaan.com/blog/diseases-caused-by-vitamin-and-mineral-deficiencies/
Language: en
Author: GyanUdaan Team
Published: 2026-04-06T00:00:00.000Z
Updated: 2026-04-06T00:00:00.000Z

## Introduction
Deficiency of essential vitamins and minerals can lead to various health issues. This table summarizes the most common deficiency diseases asked in competitive exams.

## Main Content
| Nutrient | Deficiency Disease / Symptoms |
|---|---|
| Vitamin 'A' | Night Blindness, Dry Eyes |
| Vitamin 'B1' (Thiamine) | Beriberi |
| Vitamin 'B2' (Riboflavin) | Mouth and tongue sores, cracked lips |
| Vitamin 'B12' | Anemia, Nervous system problems |
| Vitamin 'C' | Scurvy (bleeding gums), slow wound healing |
| Vitamin 'D' | Rickets (soft/bent bones), Osteomalacia |
| Vitamin 'E' | Reduced fertility, muscle weakness |
| Vitamin 'K' | Excessive bleeding (blood doesn't clot) |
| Iodine | Goitre, mental retardation |
| Iron | Anemia, quick fatigue |
| Calcium | Weak bones and teeth, Osteoporosis |
| Fluorine | Dental Caries (tooth decay) |

## Key Takeaways
- Vitamin A deficiency is the primary cause of night blindness.
- Scurvy is caused by a lack of Vitamin C, leading to bleeding gums.
- Vitamin K is essential for blood clotting; its absence causes excessive bleeding.
- Iodine deficiency leads to Goitre and can cause mental retardation.

## What to Avoid
- Do not confuse Vitamin B1 (Beriberi) with Vitamin B12 (Anemia).
- Do not mistake Rickets (Vitamin D) for Scurvy (Vitamin C).
- Avoid confusing Iron deficiency anemia with Vitamin B12 deficiency anemia; though both cause anemia, their specific symptoms differ.

## FAQ
**Q1: Which vitamin deficiency causes Rickets?**
Vitamin D deficiency causes Rickets in children and Osteomalacia in adults.

**Q2: What happens if there is a deficiency of Vitamin K?**
Deficiency of Vitamin K prevents blood from clotting properly, leading to excessive bleeding during injuries.

**Q3: Which mineral deficiency causes Dental Caries?**
Deficiency of Fluorine leads to Dental Caries (tooth decay).

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