Disease
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Contents
 | This article is suggested to be rewritten. Reason: Finish table, and standardize all diseases onto a single table. Some missing information. You can help RimWorld Wiki by improving it. |
Note: This article is about treatable illnesses. For physical damage, see Injury. For other health conditions, see Ailments.
Colonists sometimes contract diseases. Diseases most often occur through random events that vary by biome and difficulty. Infections have a random chance of developing from an injury regardless of biome.
Effects
Diseases cause infected colonists to suffer symptoms, which can vary from disease to disease. Diseases progress through stages of intensity until either the colonist develops immunity or the disease runs its course, usually leading to death. Diseases progression generally follows a pattern of minor -> major -> extreme. The more severe the disease, the more dramatic the symptoms. Diseases are not contagious and do not spread between pawns.
Treatment
At regular intervals, a resting colonist can be treated by a doctor. This slows the progression of symptoms and for most diseases it is critical to treat the colonist as often as possible. You cannot give a new treatment until 3 hours before the expiry of the previous one, and you can see the remaining time by hovering over the disease in the colonist's Health tab. The treatment interval varies for each disease.
Treatment Quality is determined by a variety of factors, including the doctor's skill and the quality of medicine used. Progression of the disease is slowed depending on how good the treatment was.
Immunity: Colonists will gradually develop immunity to potentially fatal diseases, such as wound infections or plague. When immunity reaches 100%, the symptoms will not immediately disappear, but will instead tick backwards towards zero with the colonist no longer needing any treatment. If the disease symptoms progress past 100% before immunity does, the colonist will die. Immunity Gain Speed is affected by the colonist's food, rest, bed quality, age, and blood filtration.
Blood Filtration is a major factor in getting better from diseases. Poor blood filtration may result in sicknesses developing faster than they would usually. Older colonists are more susceptible to sickness than younger ones. Colonists with only one kidney have their blood filtration reduced by 50%.
Diseases
Most diseases have the following:
- General Symptoms - initial symptoms that develop in the first few days of being sick.
- Advanced Symptoms - symptoms that set in when the disease progresses for any reason (e.g. being untreated or gets worse).
- Treatment - some illnesses are treatable with medicine, but not all diseases are treatable, especially chronic diseases.
| Disease | Potentially Fatal | Description | Severity | Symptoms | Treatment |
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| Flu |  |
Description |
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| Plague | |
Description |
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| Malaria | |
Description |
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| Infection | |
Bacterial infection in a wound. Without treatment, the bacteria will multiply, killing local tissue, and eventually causing blood poisoning and death. Through aeons of human warfare, infections have often taken more lives than the wounds themselves. |
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Severity: <0.33
Severity: >0.33
Severity: >0.78
Severity: >0.87
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| Sleeping sickness | |
An infectious disease cause by an insect-borne parasite. Sleeping disease is not as deadly as some other diseases, but progresses slowly. The body takes a long time to clear the infection. |
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| Blood rot | |
Description |
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| Scaria | |
A disease which causes affected creatures to enter berserk rages. A creature with scaria can be cured through a special medical operation, but it must be downed first. If not treated, scaria kills its host about five days after infection. The disease poisons the flesh and rots the skin, so creatures killed with scaria have a chance of rotting upon death so they cannot be butchered for meat or leather. |
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| Gut worms |  |
Parasitic worms in the gut. They cause vomiting. They also consume the victim's food, which increases hunger. |
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| Muscle parasites | |
Parasitic creatures in the muscles. These cause weakness and a lack of coordination. |
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| Fibrous mechanites | |
Semi-coherent mechanites which develop fibrous links in muscle tissue. They enhance the victim's strength, but also cause intense pain. These are probably a mutated strain of strength-enhancing mechanites. |
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Severity: >=0.5
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| Sensory mechanites | |
Semi-coherent mechanites which reside in the nervous system. They enhance the victim's senses, but also cause intense pain. These are probably a mutated strain of sense-enhancing mechanites. |
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Severity: >=0.5
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Fatal diseases
The below diseases have the potential to kill affected colonists if not treated well.
Flu
Trivial disease that can be caught anywhere. Generally not fatal to healthy colonists.
General Symptoms:
- Reduced Consciousness
- Impaired Manipulation
- Hindered Breathing
Advanced Symptoms:
- Vomiting
- Mild Pain
Treatment:
- Medicine
Plague
Somewhat deadly disease that can be caught anywhere.
General Symptoms:
- Moderate Pain
- Somewhat Reduced Consciousness
- Somewhat Reduced Manipulation
Advanced Symptoms:
- Excruciating Pain
- Loss of Consciousness
- Difficulty in Breathing
Treatment:
- Medicine
Malaria
Disease that can be especially caught in jungles. Reduces blood filtration.
General Symptoms:
- Reduced Blood Filtration
- Slightly reduced Consciousness
- Slightly hindered Manipulation
- Vomiting
Advanced Symptoms:
- Loss of Consciousness
- Moderate Pain
- Frequent Vomiting
Treatment:
- Medicine
Infection
Occurs in open wounds, frostbite, and burns when left untreated or in unsanitary environments. Progresses and kills rapidly if poorly treated.
General Symptoms:
- Mild pain
- Reduced Consciousness
Advanced Symptoms:
- Loss of Consciousness
- Excruciating Pain
- Breathing difficulties
Treatment:
- Medicine
- Amputating the affected part
Sleeping Sickness
Slow-progressing disease exclusive to the jungles of the RimWorlds.
General Symptoms:
- Trivial Pain
- Moderately reduced Consciousness
- Slightly reduced Manipulation
- Occasional Vomiting
Advanced Symptoms:
- Loss of Consciousness
- Frequent Vomiting
- Moderate Pain
Treatment:
- Medicine
Blood Rot
A bacterial disease that has little effect on host at first, but kills quickly if left untreated. Reduces blood filtration.
General Symptoms:
- Reduced Blood Filtration
- Reduced Blood Pumping
- Occasional Vomiting
Advanced Symptoms:
- Greatly Reduced Blood Filtration
- Greatly Reduced Blood Pumping
- Frequent Vomiting
Treatment:
- Medicine
- Surgery; requiring 10 glitterworld medicine and a doctor of medical skill 5 or above
Scaria
A disease similar to Luciferium withdrawal, lethal in 5 days from contraction. If a creature expires from this disease, their corpse will be rotten and not able to be butchered.
General Symptoms:
- Manhunting in animals (mtB 1 day)
- Berserk in humanoids (mtB 1 day)
Treatment:
- Surgery; requiring 3 medicine and a doctor of medical skill 8 or above
Non-fatal
These diseases cannot kill the colonist but can hamper effectiveness.
Gut Worms
Gut worms are a parasitic disease that infects the stomach, which doubles the host's hunger rate.
Important note: This disease will be cured when the treatments performed on it reach a cumulative quality of 300%, thus it is important to maximize the Medical Tend Quality of the Doctor performing the tending.
General Symptoms:
- Increased hunger rate (200% of base)
- Increased vomit rate (to average once per day)
- +?% Pain (-10 mood)
- Sick (-5 mood)
Advanced Symptoms:
- None
Treatment:
- Treated with medicine
- Treatment duration: 120,000 ticks (33.33 mins), or 2 days
- Total treatment quality required to cure: 300%
- For example, the disease can be treated with 3 treatments at 100% quality, or 5 at 60%, or even 2 treatments at 130% and 1 at 40%.
- Install a bionic stomach or other replacements to get rid of the disease and prevent future occurrences.
Muscle Parasites
Muscle parasites are a parasitic disease hampering the muscles. The disease does not kill the patient.
Important note: This disease will be cured when the treatments performed on it reach a cumulative quality of 300%, thus it is important to maximize the Medical Tend Quality of the Doctor performing the tending.
General Symptoms:
- Pain (+20%)
- Impaired manipulation (-30%)
- Impaired movement speed (-30%)
- Tiredness (x200%)
Advanced Symptoms:
- None
Treatment:
- Treated with medicine
- Treatment duration: 120,000 ticks (33.33 mins)
- Total treatment quality required to cure: 300%
- For example, the disease can be treated with 3 treatments at 100% quality, or 5 at 60%.
Fibrous Mechanites
Fibrous Mechanites is a mechanite disease which brings mild pain in early stages but boosts several attributes. This disease does not kill the patient.
Important note: Treatment does not cure the disease, it only prevents the pain from worsening. Instead it must be waited out.
Fibrous mechanites incapacitate pawns with the Wimp trait from the onset of the disease. While the the buffs are slightly less because of the Consciousness reduction from the pain, the base +50% manipulation and moving speed buffs mean this disease can actually be advantageous if the pain and rest fall rate can be managed. Note that the disease should still be treated even if it is to be exploited, as the benefits do not increase without treatment, only the pain, and treatment does not hasten the end of the disease.
General Symptoms:
- Tiredness (x170%)
- Mild pain (+20%)
- Improved manipulation (+50%)
- Improved movement speed (+50%)
- Improved blood pumping (+50%)
Advanced Symptoms:
- Intense pain (+60%)
- No additional stat boosts over early stages
Progression:
- Severity increases by 0.25 per day when not tended
- Severity decreases by up to 100% per day when tended; actual rate depends on treatment quality
Treatment:
- Treated with or without medicine, though medicine improves treatment quality, preventing disease from progressing.
- It should be noted that treatment has no effect on the time it takes for the disease to disappear.
- Treatment interval: 120,000 ticks (33.33 mins)
- Can disappear as early as 900,000 ticks (250 mins)
- Can last as long as 1,800,000 ticks (500 mins)
Sensory Mechanites
Sensory mechanites are a mechanite disease which brings mild pain in early stages but boosts sensory perception. This disease does not kill the patient, but still produces intense pain.
Important note: Treatment does not cure the disease, it only prevents the pain and tiredness from worsening. Instead it must be waited out. .
Sensory mechanites incapacitate pawns with the Wimp trait from the onset of the disease. While the the buffs are slightly less because of the Consciousness reduction from the pain, the base +50% sight, hearing talking and manipulation buffs mean this disease can actually be advantageous if the pain and rest fall rate can be managed. Note that the disease should still be treated even if it is to be exploited, as the benefits do not increase without treatment, only the pain, and treatment does not hasten the end of the disease.
General Symptoms:
- Mild pain (+0.2)
- Improved sight (+50%)
- Improved hearing (+50%)
- Improved talking (+50%)
- Improved manipulation (+30%)
- Tiredness (rest fall factor) (x170%)
Advanced Symptoms:
- Intense pain (+0.6)
- Tiredness (rest fall factor) (x200%)
- No other additional effects over early stage
Progression:
- Severity increases by 0.25 per day when not tended
- Severity decreases by up to 100% per day when tended; actual rate depends on treatment quality
Treatment:
- Treated with or without medicine, though medicine improves treatment quality, preventing disease from progressing.
- Treatment does not have an effect on the time it takes for this disease to disappear
- Treatment interval: 120,000 ticks (33.33 mins)
- Can disappear as early as 900,000 ticks (250 mins) (1 quadrum)
- Can last as long as 1,800,000 ticks (500 mins) (2 quadrums)
Paralytic Abasia
Disease Frequency
| Difficulty | Disease interval multiplier |
|---|---|
| Peaceful | 3 |
| Base builder | 3 |
| Some challenge | 1.5 |
| Rough | 1.0 |
| Intense | 1.0 |
| Extreme | 0.9 |
