Iodine

A powerful antiseptic used for wound cleaning and infection prevention.

What is Iodine?

Iodine is a halogen element widely used as an antiseptic for skin, wounds, and minor cuts.

It is effective against bacteria, viruses, fungi, and protozoa.

History & Background

Iodine has been used as a disinfectant since the 19th century and remains a key component of first aid kits worldwide.

Chemical Structure & Properties

• Chemical symbol: I
• Atomic number: 53
• Molecular form: I₂
• Category: Halogen element

Mechanism of Action

Iodine kills microorganisms by:

• Denaturing proteins
• Oxidizing cellular components
• Disrupting microbial enzymes

Medical & First Aid Uses

• Cleaning minor wounds and cuts
• Pre-surgical skin disinfection
• Treatment of skin infections
• Emergency water purification

How to Use

Apply iodine solution gently on the affected area using cotton or gauze. Avoid excessive use on large wounds.

Side Effects

• Skin irritation
• Burning sensation
• Allergic reactions (rare)

Warnings & Precautions

• Do not use on deep wounds without medical advice
• Avoid prolonged use
• Not recommended in iodine allergy

Frequently Asked Questions

Is iodine an antibiotic? – No, it is an antiseptic.

Can iodine kill viruses? – Yes.

Is it safe on skin? – Yes, when used properly.

Does it stain skin? – Temporarily.

⚠️ Educational content only. Not a substitute for professional medical advice.