Beginner — Avoiding Sickness

Overview

Sickness in DayZ is a primary cause of death for inexperienced survivors, often leading to rapid hydration and energy loss. Understanding the immune system and contamination mechanics is essential to staying alive long enough to establish a base.

How It Works

DayZ uses a hidden "Immune System" value determined by your energy, hydration, and health levels. When your stats are high (white icons), your immune system can fight off minor infections automatically. Bacteria and viruses enter your body through consuming dirty water, eating raw meat, using bloody hands, or wearing contaminated gear like masks and gloves. Once sick, specific items like Tetracycline, Charcoal, or Multivitamins are required to clear the pathogen, depending on whether the cause is bacterial, chemical, or viral.

Step-by-Step Instructions

1. Find a water pump in a town and fill a plastic bottle or canteen to avoid cholera from pond or stream water.
2. If you must use natural water, use Chlorine Tablets to purify the container before drinking.
3. Wash your hands at a water pump or with a Disinfectant Spray immediately after skinning an animal to prevent salmonella.
4. Wear gloves (surgical, tactical, or leather) at all times to avoid infection from handling contaminated items or corpses.
5. Keep your energy and hydration meters in the white; a full-stomach icon indicates your immune system is operating at maximum efficiency.
6. Consume one Multivitamin pill when entering a high-risk area or when your stats are low to provide a temporary immune boost.

Tips

• Eat food in small portions once you have a "full stomach" icon to keep your immune system strong without vomiting.
• If you catch a cold, swap your mask or headgear for a dry one, as damp clothing facilitates sickness.
• Tetracycline pills treat bacterial infections like cholera; take them one at a time and wait for the pill icon to disappear before taking another.
• Charcoal tabs treat chemical poisoning; if you accidentally drink gasoline or disinfectant, take these immediately.
• Use a Cooking Pot to boil water over a fire; boiling makes any water source safe to drink.

Common Mistakes

• Eating with bloody hands, which guarantees salmonella infection regardless of food quality.
• Drinking from a pond or stream without purification, which is the fastest way to contract lethal cholera.
• Ignoring a persistent cough, which indicates a viral infection that can be spread to other players through proximity.
• Taking multiple different types of medication at once; they do not stack and will waste your limited medical supplies.

Related Items

• Tetracycline Antibiotics
• Charcoal Tablets
• Multivitamin Bottles
• Chlorine Tablets
• Surgical Gloves
• Disinfectant Spray

Related Guides

• Cooking
• Skinning and Hunting
• Water Purification
• Base Building Foundations