Health

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Ingame Health Screen - Minor Injuries on Left Forearm

The Health Window

Characters' health is displayed in the health window, which is accessible by clicking the heart icon on the upper left side of the screen. When an injury is sustained, a Moodle will show up in the top right of the screen and the sound of an injury may be heard, and the corresponding section will be injured.

The body of the player is separated into 17 different sections:

  • Left and right foot
  • Left and right shin
  • Left and right thigh
  • Left and right hand
  • Left and right forearm
  • Left and right upper arm
  • Groin
  • Lower torso
  • Upper torso
  • Neck
  • Head

Overall Body Status

Health Window of a uninjured player

The player's overall health is displayed qualitatively as one of the following:

Status Description
OK No damage has been incurred.
Slight Damage Between 90% and full health.
Minor Damage Between 80% and 90% health.
Moderate Damage Between 60% and 80% health.
Severe Damage Between 50% and 60% health.
Very Severe Damage Between 40% and 50% health.
Critical Damage Between 20% and 40% health.
Highly Critical Damage Between 10% and 20% health.
Terminal Damage Between zero and 10% health.
Deceased Zero health. - "High chance of becoming rat food.".
Zombified You are infected and gradually losing health and will die.

Healing

By default, the player can recover from most injuries provided that he or she doesn't acquire any further damage or has any condition preventing recovery. (for example an unbandaged wound or infection)
The speed of recovery is affected by Moodles. Being well-fed will speed up the recovery while being hungry, thirsty, or catching a cold can make this process slower. Moodles such as having a fever or having the character starve to death, can reverse the process - further damaging the character.

Health can recover quite rapidly whilst Sleeping, but serious injuries (such as fractures) will cause it to sink back down again until it stabilizes. For example, a lower torso fracture can effectively 'cap' a character's health at around 60%, making them much more vulnerable to further injury even if they are not in any immediate danger.

Bandaging

Any wound that breaks the skin will cause bleeding which will need to be bandaged with either a medical bandage or a ripped sheet. Applying a clean bandage to a wound lowers the chance of a wound infection than leaving it exposed. Disinfecting a wound and then applying a sterilized bandage or sterilized rag further lowers the chance of wound infection.

Over time the bandage will become dirty, which will not only negate the previous bonuses against wound infection but will actually increase the chance of wound infection if left on the wound. This requires the character to remove the bandage and replace it with a clean one. The type, severity of the wound, skill level of First Aid, or if it is bleeding will dictate the speed of a clean bandage becoming dirty.

Any wounds to the neck will make your character die 500% faster and ignore the damage cap, usually resulting in death unless bandaged immediately.

Health window displaying a bandaged arm which then turns into a dirty bandage


Infections

There are 2 types of infections, a normal infection you or I could get from an injury, or the zombie infection. You are not able to distinguish which infection you have from the health window. If you have a mod like Minimal Display Bars you can see your health as a number. If you have this available, you can check if your infection is normal or the zombie virus. This is because a normal infection will not slowly deplete your health, however, the zombie virus will. A normal infection can also develop into a zombie infection over the span of a day; so don't think you're safe just because your health isn't going down yet!

Types of Injuries

Status Symptoms Cause Treatment
Bitten Moderate health loss, bleeding, and pain. Has a chance of occurring when attacked by a zombie. Immediate health loss is stopped with bandages, however, there is a 100% chance the player will become infected and eventually die from zombification unless the option is turned off in sandbox.
Bleeding Health loss, blood loss, and pain. Accompanies Scratched, Lacerated, Bitten, Deep wound, Lodged bullet, and Lodged glass shard. Applying bandages to the affected area. If left untreated, the player will continue to bleed and lose health until they eventually bleed out.
Burn Severe health loss and pain. Standing too close to fire. Treated with a clean bandage, then bandaged again - and regularly kept clean. The recovery time is lengthy.
Deep wound Health loss, blood loss, and pain. Has a chance of occurring when smashing windows with bare hands, climbing through a broken window, walking through broken glass without shoes, falling down a level, colliding with terrain/other vehicles while driving at moderate speeds (around 40-50mph), and getting hit with an axe. Stitching it up with a suture needle or a needle with thread (a suture needle causes less pain). Or keep it bandaged for ~1 month and it will heal on its own.
Fracture Health loss, reduced speed (if a leg injury), reduced combat abilities (if an arm injury), pain. Falling from any floor higher than ground level (more severe if you're carrying a heavy load), collisions with terrain/other vehicles while driving at 'high' speeds (60mph+, but needs testing), and the impact of a blunt weapon. Creating a splint with a ripped sheet and a straight wooden item (a tree branch, sturdy stick, or plank). Fractures in certain places, like the head and torso, cannot be splinted. Comfrey poultices can aid with fracture recovery, note that skull fracture cause fatigue rise faster.
Lodged bullet Severe health loss, blood loss, and pain. Getting shot. Bullet must be removed with tweezers, disinfected using a bottle of disinfectant or alcohol, stitched using a suture needle or needle, and then bandaged.
Lodged glass shard Severe Health loss, blood loss, and pain. Breaking a window without having an item equipped, climbing through a broken window, picking up broken glass with bare hands or walking over broken glass without shoes. Much like bullets; remove the shard, disinfect the wound, stitch it up, and bandage it. Bandaging a wound that still has glass in it will cause extra pain.
Scratched Minor health loss, blood loss, and pain. Being scratched by a zombie, smashing a window, jumping fences/barriers with high load or low endurance, picking up broken glass, colliding with terrain/other vehicles while driving, or tripping. Immediate health loss is stopped with bandages. If the scratch was caused by a zombie, there is a 25% (before Build 41) or 7% (in Build 41) chance it will lead to death through zombification.
Lacerated Moderate health loss, blood loss and pain. Essentially a more severe form of Scratched. Causes are mostly the same; being lacerated by a zombie, colliding with terrain/other vehicles, tripping, etc. Immediate health loss is stopped with bandages. Treated similarly with scratches. If the laceration was caused by a zombie, there is a 25% chance it will lead to death through zombification.
Wound infection Very minor Health loss (when unbandaged), minor pain, and moderate heal speed decrease. Any wounds previously sustained have a chance to become infected, whether they are open or bandaged wounds. Infection is less likely if the wound is first disinfected and then covered with a sterilized bandage. Non-zombie type injuries that are infected are 100% survivable. Disinfecting wounds with appropriate supplies (alcohol wipes, disinfectant, etc.), bandaging the wound with a Sterilized Bandage or Sterilized Rag, administering Antibiotics, and/or applying garlic poultice onto the wound.

Severity (the hours it takes to heal) of Injuries

Injury Severity Severity with Slow Healer Severity with Fast Healer
Scratch* 7 - 15 15 - 25 4 - 10
Window Scratch* 12 - 20 20 - 30 5 - 10
Weapon Scratch* 5 - 10 10 - 20 1 - 5
Laceration* 10 - 20 20 - 30 5 - 10
Bite 50 - 80 80 - 150 30 - 50
Deep wound (with/without glass) 15 - 20 20 - 32 11 - 15
Lodged Bullet 17 - 23 22 - 28 12 - 18
Fracture 50 - 80 80 - 150 30 - 50
Burn** 50 - 100 50 - 100 50 - 100
  • Scratches reduce speed more than Lacerations do, but tend to have less severity. As such, Lacerations will still slow the character down more most of the time due to their greater severity.
    • Burns does not seem to be affected by Slow\Fast Healer traits

Other Injuries

Status Description
Back Injury When carrying an Very Heavy Load or Extremely Heavy Load, your movement speed will be lowered and Health will slowly drain to 75%, and stop at that point until you carry less, leaving you more vulnerable from another source of injuries. Health will not reduce from heavy loads if you are sitting down (whether on the ground, or in a vehicle).
Fall Damage Caused from falling from great heights. Damage varies depending on the distance; For instance, jumping from a second-story window causes severe damage while jumping from higher floors can result in death.
Sickness Caused by catching the Knox Infection, eating bad food, or drinking tainted water, sickness will initially slow down healing. If the sickness gets worse, the character will start losing health and may ultimately die. Wound infections can be treated with antibiotics, but colds and the Knox Infection cannot.

Duration of Food Illness(In-game tick)

Normal Weak Stomach Iron Gut
200 - 280 120 - 230 80 - 150

Build 41

Injury Zombification rate Injury rate
Scratched 7% Much more common than in build 40
Laceration 25% Less common than scratches in build 40
Bitten 100% High chance when attacked from behind, depends on Rear Vulnerability in Custom Sandbox settings

See also