Practically any representative of the human kind faces the problem of constipation or diarrhea from time to time during his life. However, not everyone treats that as a medical condition, which should be evaluated and treated medicinally. At the meantime, the condition, when a human gets constipation or diarrhea or both for no obvious reasons is called irritable bowel syndrome. IBS is considered to be a very common bowel disorder with about 1 out of 5 people suffering from it. Luckily, in the majority of cases the symptoms are mild enough to be effectively treated with herbal remedies or some OTC options. However, severe or chronic irritable bowel syndrome should be carefully evaluated and treated with mighty medications. The quiz below covers the key issues on irritable bowel syndrome, and its treatment. So, you are welcome to take a chance and check your personal knowledge of this medical condition.