I wrote this guide because I believe there are insufficient short and clear guides suitable for non-medics. After reading this guide, the player should be able to diagnose the most common conditions found in the game and treat them effectively. If you are interested in advice for medics, I have included links to valuable (in my opinion) material on the subject at the end of the guide.

Every creature in the game has a statistic called Max vitality. A human’s Max Vitality is about 100 (this depends on the role and other factors) - if the value of Vitality falls to zero then the character enters a critical state – the player loses control of the character, with simultaneous stopping of breathing. The character will die if loses as much vitality as it takes to bring it to a critical state. So-called Afflictions can change the Vitality value from its default maximum value. Afflictions are effects applied to a character after an event, such as a mudraptor attack. There are a lot of afflictions in the game, but few of them are common, and these are the ones I'm going to show you in the following sections. Most afflictions can be treated with medical items, which can be administered to characters in the medical interface (accessible by default under the H key). Medical Items are administered by moving the medicine to the appropriate part of the character's body. Below the text, I have included a screenshot with the medical interface open, where I want to cure the ailment Internal injuries I drag morphine (medical item).
Most medicines have skill requirements - if our character's medical skill level is lower than the medicine's skill requirement, it will work less well and may have a greater negative effect on the character. For this reason - if possible - medicines should be administered by a Medical Doctor, as they are usually the ones with the highest medical skills.

I describe in this guide a selection of, in my opinion, the most important afflictions. Use Wiki or other guides if you want to expand your knowledge.

Table of afflictions:

* CPR is performed by pressing the green button in the medical interface (available under H). Below is a screenshot with the resuscitation button visible.

Column name description:
Icon and name - the icon that appears above the vitality bar and in the medical interface, and the name of the affliction
Causes - the most common reasons for the affliction
Effect - effects of the ailment directly affecting the character, such as reduced vitality
Medical Item - the basic medical item or treatment for the ailment (along with the required medical level)
Limb specific? - in simple terms: does the treatment have to be administered to the exact body part affected to cure the ailment?
Dynamic - how the strength of the ailment changes over time
Notes - various indications and comments

Barotrauma is also worth knowing - it is caused by being in high-pressure water without a diving suit. This affliction kills very quickly, and the ways to save your character are to put on a suit, get your character out of the high-pressure water area or take a pressure stabiliser (you can ask the ship's Medical Doctor if you have one).

Specific afflictions are only caused by a certain type of monster. It is useful for you to know them if you do not have a board medic in your crew or if you want to be more independent on expeditions. Layout of the table as for basic afflictions.

As you can see, the use of medicial items is very important - so I have decided to describe in more detail the essential medicines that every crewman should carry. Of course, this is a suggested kit - it is best to ask your medic what you should take with you on board and on expeditions. The order of medicines in the first column matters - the first medicine is preferred.

The proposed kit:

Only the essential medicines required to treat basic afflictions are included in the proposed kit. The kit should be expanded as needed (for example, with medicines for characteristic monster afflictions) or others as indicated by the Medical Doctor.

I have decided to skip the topic of drug manufacturing in this material, as this is very often dealt with by medics, and that is not the purpose of this guide. If anyone is interested in how medicines are made, I recommend walking up to a medical manufacturer and typing in the name of the medicine, a recipe will immediately be shown, or find the recipe on Wiki: https://www.barotraumagame.com/wiki/Medical_Items.

If you want to expand your knowledge of medicine then I recommend:

• Barotrauma Wiki, my main source of knowledge: https://barotraumagame.com/wiki/Afflictions and https://barotraumagame.com/wiki/Medical_Items (it was from the wiki that I took the graphics of afflictions and medical items)
  
• Dranka's Guide: https://www.youtube.com/watch?v=i1qfXC_xnJU
  
• Guide on genes by Ironic and Dead: https://www.youtube.com/watch?v=-Hdfwlnq7eU
  
• Terragen's guidebook: https://steamoss.com/sharedfiles/filedetails/?id=2682310314

That is all. I hope I have managed to help you a little. Polish, orginal version: https://steamoss.com/sharedfiles/filedetails/?id=3095458935
Would like to upload an updated version of this tutorial to the Workshop, that's fine with me, I would just ask you to include a link to this tutorial in the text.