Here are foods to avoid when youâre having tummy troubles. 1  Dairy Products One food group that can be hard to digest is dairy â mainly because of the sugar lactose found in milk and other dairy products. 2  When lactose isnât digested properly, such as in people with lactose intolerance, gas and bloating result.
A profuse amount of clear sputum should therefore be considered as abnormal. 1  Pulmonary edema (fluid in the lungs) â clear, white or pink frothy sputum. 2  Viral respiratory tract infections â clear to white (acute). 3  Chronic bronchitis (COPD) â clear to gray.4  Asthma â white to yellow (thick).rown or black sputum is an indication of âold bloodâ and the color may be due to the breakdown of red blood cells thereby releasing hemosiderin (from hemoglobin). Certain organic and non-organic dusts may also cause a brown to black discoloration of the sputum.
A sputum culture is a test to detect and identify bacteria or fungi (plural of fungus) that are infecting the lungs or breathing passages. Sputum is a thick fluid produced in the lungs and in the airways leading to the lungs.A sample of sputum is placed in a container with substances that promote the growth of bacteria or fungi. If no bacteria or fungi grow, the culture is negative. If organisms that can cause infection grow, the culture is positive. sample of sputum is placed in a container with substances that promote the growth of bacteria or fungi. If no bacteria or fungi grow, the culture is negative. If organisms that can cause infection grow, the culture is positive.