What to Do If You Have Strep Throat While Pregnant. Sore throats are a common symptom of countless ailments. Your throat may be irritated by allergies. You may have a cold or flu. Or, you may have just been using your voice too much. The most common cause of sore throat is strep throat. A reported 15 percent of sore throat cases are caused by strep.
Boils may be caused by a weakened immune system. When a child's immune system is weak, his body is unable to resist the attack of bacteria that cause boils. Children who suffer from repeated attacks despite taking precautions to not become infected with boils need to have their blood tested.
Causes of boils and carbuncles. Boils and carbuncles are often caused by a type of bacteria known as Staphylococcus aureus (staph bacteria) infecting one or more hair follicles. Staph bacteria usually live harmlessly on the surface of the skin or in the lining of the nose.oils and carbuncles are often caused by a type of bacteria known as Staphylococcus aureus (staph bacteria) infecting one or more hair follicles. Staph bacteria usually live harmlessly on the surface of the skin or in the lining of the nose.