Every medication is broken down in stages in, first, the intestines, then the liver and kidneys. Almost every medication can be found on the manufacture's website or by checking a drug book or Physician's Desk Reference. Search the material specifically for "half-life" which differs with each med.
Anything that enters the human body while you are fasting breaks your fast.
The Liver
liver
the spleen
Spleen
The liver is the organ that breaks down fat through a process called lipolysis. It is also responsible for filtering waste products from the blood, converting them into forms that can be excreted from the body.
The liver is the organ primarily responsible for processing alcohol in the body. It breaks down alcohol into byproducts that can be eliminated from the body, helping to prevent alcohol toxicity.
The internal organ system that breaks down food is called the digestive system. It includes organs such as the stomach, small intestine, and large intestine, which work together to break down food into nutrients that can be absorbed by the body.
The organ in the body that produces instant energy is the liver through the process of glycogenolysis. This process breaks down stored glycogen into glucose, which can then be used to produce energy quickly when needed.
The main organ for the removal of hormones from the blood is the liver. The liver processes hormones and breaks them down so they can be excreted from the body.
the kidneys "retire" old blood cells and recycle the material to make new ones
The liver is responsible for metabolizing and eliminating alcohol from the body. It breaks down alcohol into byproducts that can be excreted through the urine.