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Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding. [1] The black color and characteristic strong odor are caused by hemoglobin in the blood being altered by digestive enzymes and intestinal bacteria.
Adverse effects found in clinical trials are usually limited to headache and gastrointestinal discomfort when high doses are used. While daily use can result in tolerance and paradoxical drowsiness, increasing the dose is strongly discouraged and side effects can include diarrhea, bladder infections, bronchitis, back pain, abdominal pain, insomnia, constipation, gastroenteritis, headache ...
Soluble fiber supplements such as psyllium are generally considered first-line treatment for chronic constipation, compared to insoluble fibers such as wheat bran. Side effects of fiber supplements include bloating, flatulence, diarrhea, and possible malabsorption of iron, calcium, and some medications. However, patients with opiate-induced ...
Allicin is unstable and quickly changes into a series of other sulfur-containing compounds such as diallyl disulfide. [3] Allicin is an antifeedant, i.e. the defense mechanism against attacks by pests on the garlic plant. [4] Allicin is an oily, slightly yellow liquid that gives garlic its distinctive odor. It is a thioester of sulfenic acid.
Beyond adverse effects from the herb itself, "adulteration, inappropriate formulation, or lack of understanding of plant and drug interactions have led to adverse reactions that are sometimes life threatening or lethal." [3]
One to two servings of whole soy, including tofu, tempeh, and edamame, are recommended every day.. Other protein sources, like skinless poultry, yogurt, eggs, or grass-fed lean mean, can be ...
Although some patients with eating disorders such as anorexia nervosa and bulimia nervosa abuse laxatives in an attempt to lose weight, laxatives act to speed up the transit of feces through the large intestine, which occurs after the absorption of nutrients in the small intestine is already complete. Thus, studies of laxative abuse have found ...
RSV vaccine side effects in older adults . The CDC lists the following as possible side effects of the RSV vaccine: Pain, redness, and swelling where the shot is given. Fatigue. Fever. Headache ...