Journey of a pill through the body
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When you take your medicine through your mouth, like with a pill for example, it passes through your oesophagus to your stomach. The pill dissolves in the stomach and the small intestine.
The contents of the pill is transported from here over into the bloodstream. The drug is passed through the bloodstream through the liver.
In the liver, the medicine turns into active substances more or less. From the liver, the substances return to all organs and body parts via the bloodstream.
When the medicine reaches an organ in the body, it will give the desired effect in certain places. It can cause discomfort other places. This is what we call an adverse side affect.
How quickly the medicine works depends on whether it is pills or something which you drink. For example, if you take the medicine as a solution, it will have a faster effect than if you take it as a pill. It can also mean something if you take the medicine on an empty stomach or along with food. How quickly the effect disappears depends on the individual medicine. Therefore, some medicines must be taken once a day and others several times a day. Finally, the substances are passed through the kidneys and excreted in the urine.
It is important to take one’s medicine as the doctor has said so that there is balance between the amount you take and the amount the body excretes. You must do this to avoid any unnecessary adverse reactions, poisoning or ineffectiveness.
Opdateret onsdag den 19. nov. 2025
