What are the 4 Stages of Typhoid Fever?

Typhoid Fever Progression: From Initial Symptoms to Recovery

Typhoid fever is a bacterial infection caused by the Salmonella typhi bacteria. Infected candidates suffer from persistent high fever, fatigue, abdominal pain, and sometimes a rash. In most cases, people come in contact with this bacteria through food or water. Often, the areas where they spend their days are responsible for this illness.

However, it can cause severe complications if left untreated for a long time. Therefore, understanding its stages, how it is diagnosed, and the available treatment options is helpful.

What are the Different Stages of Typhoid Fever?

A patient can develop typhoid fever slowly in four stages. Early detection and proper treatment with antibiotics can prevent advanced stages from progressing.

Stage 1 (Initial Phase)

• Stage 1 refers to the health condition in which a person starts developing typhoid symptoms after five days (up to 14 days) coming in contact with S. Typhi. The person may detect high body temperature, indicating the first symptom, which may increase over a few days. In this stage, the specific bacteria are spreading into your blood.

Stage 2 (Acute Phase)

• On the 13th or 14th day of fever, the bacteria start to multiply at lightning speed in the Peyer's patches (a significant part of the human immune system that can detect harmful bacteria). As bacteria start to spread, the patient begins to experience other symptoms like abdominal pain, prolonged high fever and diarrhoea or constipation.
• Some individuals may observe "rose spots" on their skin. These are small pink dots that look like rashes.

Stage 3 (Toxic Phase)

• If the patients with stage 2 do not seek medical assistance, they reach stage 3. At this point,  the bacteria start developing severe complications as they spread to the blood at a faster rate.
• It causes sepsis, internal bleeding, severe dehydration and inflammation within the brain called encephalitis. It generally starts around the third week after a person comes in contact with S. Typhi.

Stage 4 (Recovery Phase)

• Interestingly, stage 4 refers to the health condition when patients begin to recover. At this point, the temperature starts to fall. This does not mean they can feel safe because the bacteria will still be present in the gallbladder. However, they will not cause any symptoms. There is still a chance of being affected again, even after starting to feel better.

How are Typhoid Fever Stages Diagnosed?

Healthcare professionals opt for several laboratory tests to diagnose typhoid fever. They  include:

Blood Test:

• Doctors usually suggest a blood culture test to identify Salmonella typhi bacteria. Conducting this test during the first week has proven most effective, as Salmonella typhi appears in higher concentrations in an affected individual’s blood at this stage.

Antibody Test:

• Doctors suggest going through an antibody test to detect antibodies in the bloodstream. It helps to know whether that individual has been infected with typhoid fever in the past. It actually measures the human body's immune system response to the bacteria and helps make effective treatment plans.

Stool Test:

• The person suffering from a high fever is given a stool sample to detect the presence of bacteria in the blood. This test is helpful when identifying carriers of Salmonella typhi and the advanced stages.
• The other two significant tests are urine and bone marrow culture. The bone marrow test is considered the most effective one as it can detect the bacteria when other tests fail to do so. These tests, sometimes individually or in combination, help doctors to know the presence of typhoid fever and make proper treatment plans.

Thyroid Fever Treatment

The treatment for typhoid fever mainly involves antibiotics along with some preventive measures to help manage symptoms and prevent complications. In most situations, these treatments work well to control the illness.

However, in more severe cases, hospitalisation might be necessary. During this time, doctors will give intravenous antibiotics and closely monitor the patient’s condition. This approach helps manage any health issues that arise and supports the recovery proces.

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