What does fact checked mean?
At Healthfully, we strive to deliver objective content that is accurate and up-to-date. Our team periodically reviews articles in order to ensure content quality. The sources cited below consist of evidence from peer-reviewed journals, prominent medical organizations, academic associations, and government data.
The information contained on this site is for informational purposes only, and should not be used as a substitute for the advice of a professional health care provider. Please check with the appropriate physician regarding health questions and concerns. Although we strive to deliver accurate and up-to-date information, no guarantee to that effect is made.
The Black Death is commonly known as the plague. It has three forms: bubonic plague, pneumonic plague and septicemic plague. The plague had its beginnings in the 14th century and has killed millions of people. It remains a threat in some parts of the world today. According to Mayo Clinic, antibiotics can now successfully treat most cases of plague 1. Some agencies relate concerns that plague could be used as a weapon by terrorists.
If you are experiencing serious medical symptoms, seek emergency treatment immediately.
Bubonic Plague Symptoms
Bubonic plague is the most common type of Black Death. It occurs when a flea infected with plague bacteria bites the victim. The main symptom is swollen lymph nodes, called buboes, which grow to 0.4 to 3.9 inches in diameter. These are found in the neck, armpit or groin and are usually warm and painful. The stricken lymph nodes are near the flea bite. Symptoms occur two to eight days after transmission.
- Bubonic plague is the most common type of Black Death.
- The stricken lymph nodes are near the flea bite.
Pneumonic Plague Symptoms
Symptoms & Effects of Malaria
Pneumonic (meaning lung) plague is considered more dangerous than bubonic plague. Its symptoms include:
- difficulty breathing
- severe cough
- fluid in the lungs
- high fever
- spitting up or coughing up frothy blood
People contract it by breathing air contaminated by the cough of a person or animal infected with pneumonic plague bacteria. Both bubonic plague and septicemic plague can worsen into pneumonic plague; and a person with bubonic plague can cough and infect his own lungs, then develop pneumonic plague as well. The incubation period for pneumonic plague is around two days.
- Pneumonic (meaning lung) plague is considered more dangerous than bubonic plague.
Septicemic Plague Symptoms
Septicemic plague occurs when the blood becomes infected by the plague-causing bacteria. This is theorized to happen when an infected flea or animal bites the victim close to a blood vessel and the bacteria spreads first through the bloodstream instead of multiplying in a lymph node. Septicemic plague can also occur when bubonic plague is untreated. According to the Centers for Disease Control and Prevention, the bacteria overwhelm the immune system and begin to multiply in the bloodstream, spreading throughout the body. Signs of septicemic plague include:
- low blood pressure
- organ failure
- abdominal pain
The Mayo Clinic says bleeding from under the skin or from the nose, mouth or rectum can occur 1. The incubation period of septicemic plague ranges from one to six days.
- Septicemic plague occurs when the blood becomes infected by the plague-causing bacteria.
- This is theorized to happen when an infected flea or animal bites the victim close to a blood vessel and the bacteria spreads first through the bloodstream instead of multiplying in a lymph node.
Symptoms & Effects of Malaria
What Are the Symptoms of Worms in the Human Body?
Blood-Borne Parasites in Humans
Types of Communicable Diseases
Diseases That Raccoons Can Spread to Humans
Ringworm Life Cycle
List of Pandemic Diseases
Which Insect Bites Cause Blisters?
What Is the Incubation Period for the Flu?
Diseases Caused by Drinking Water From the Bird Bath
- decade3d/iStock/Getty Images