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When do you assess for peritonitis?

Peritonitis is a serious infection that’s caused by bacteria and requires immediate medical treatment. It is an inflammation of the membrane that lines the abdominal cavity and is a potentially life-threatening condition.

Therefore, when assessing for peritonitis, it is important to pay particular attention to any symptoms the patient may be displaying that could indicate this infection. Common symptoms include: fever and chills, severe abdominal pain and tenderness, nausea and vomiting, bloating, and loss of appetite.

A doctor will typically begin with a physical exam to check the abdomen for any signs of tenderness or rigidity, as well as to see if any organs within the abdomen appear to be enlarged. Blood tests, along with additional tests like imaging scans or ultrasounds may also be used to confirm the presence of infection and to help the doctor determine the nature of the infection.

Treatment for peritonitis usually involves using antibiotics to eliminate the source of the infection. Surgery may also be required if the infection cannot be treated with antibiotics alone. It is important to seek medical attention immediately if you have any of the aforementioned symptoms as early diagnosis is key for successful treatment.

What is the criteria for diagnosing peritonitis?

Peritonitis is a serious condition that happens when the tissue that lines the inner wall of the abdomen is inflamed. It is usually caused by an infection, usually from bacteria or fungi. For diagnosis of peritonitis, the doctor will perform a physical examination, look at the patient’s medical history, and use imaging tests to look inside the abdominal area.

The doctor might also take a blood test, urine test, and swabs from the peritoneum, which is a section of tissue that forms the lining of the abdomen, to identify the cause of the infection. After diagnosis, the doctor will usually recommend antibiotics or, in more severe cases, surgery.

What are the signs indicating the onset of peritonitis?

Peritonitis, an inflammation of the thin tissue that lines the inner wall of your abdomen, is a serious medical condition that requires prompt and aggressive treatment. Signs of peritonitis may include abdominal pain and/or tenderness, fever and/or chills, nausea and vomiting, loss of appetite, and weakness.

Other symptoms may include bloating or distention of the abdomen, blood in the stool, and/or the passage of white or red-tinged sputum. In some cases, painful urination, abdominal distension, and a rapid heart rate may also occur.

In more severe cases, a doctor may observe signs such as a rapid and shallow breathing, a rapid pulse, severe abdominal tenderness, and even an abdominal mass. In these cases, you may feel feverish, have difficulty breathing, and be unable to move easily.

Peritonitis is diagnosed in the hospital setting, and treatment consists of antibiotics, fluids, and surgery to remove damaged tissue and abscesses, if any. If left untreated, the condition can become life-threatening.

If you experience any of the signs of peritonitis, seek immediate medical attention.

How quickly does peritonitis develop?

Peritonitis is a potentially life-threatening condition that can develop quickly. It is caused by an infection in the peritoneum, the lining of the abdominal cavity. The infection can be bacterial, fungal or viral.

Symptoms of peritonitis can include abdominal pain, tenderness, bloating, nausea, vomiting, fever, chills, and loss of appetite. In some cases, the patient may be unable to move or pass stool or have severe pain in the abdomen.

Peritonitis can develop quickly and thus it is important to be aware of the symptoms. If the infection is from a virus, it can take anywhere from 2 to 10 days to develop, however a bacterial infection can develop almost immediately.

It is important to seek medical care quickly if you are experiencing any of the symptoms associated with peritonitis as it can be a very serious and life-threatening condition. Treatment will typically depend on the underlying cause of the infection, but may include antibiotics, fluids, and in some cases, surgery.

Can you have peritonitis without knowing?

Yes, it is possible to have peritonitis without knowing it. Peritonitis is a potentially life-threatening condition where the membrane that lines the abdominal cavity becomes inflamed. It can develop quickly and the symptoms can be subtle in the beginning, often mimicking other issues such as food poisoning or an upset stomach.

Common symptoms of peritonitis include abdominal swelling, bloating, pain or tenderness, fever, appetite loss, nausea, and vomiting. If left untreated, peritonitis can lead to serious complications so it is important to be aware of the warning signs and seek prompt medical attention if they occur.

How long can you have peritonitis?

Peritonitis can be acute or chronic, and the length of time you have it will depend on the type of peritonitis and the course of treatment. Acute peritonitis usually lasts for a few days, although sometimes a week or two may be needed for the infection to clear up.

Chronic peritonitis can last for weeks, months, or even years, requiring ongoing treatment and management. In some cases, even after successful treatment, the infection may return due to ongoing irritation to the peritoneum or a weakened immune system.

As with any medical condition, it’s important to consult a physician to determine the best course of care.

Where is peritonitis pain located?

Peritonitis is an inflammation of the peritoneum, the thin membrane lining the abdominal cavity and various organs within the abdomen. Peritonitis pain is usually localized to the abdomen, and typically presents as general abdominal pain and tenderness which can range from mild to quite severe.

Peritonitis typically presents with pain localized in the center of the abdomen, but can spread to the sides or back. Pain may increase with movement, deep breathing, or coughing. Other symptoms can include nausea, vomiting, fever, and abdominal bloating or swelling.

What lab values would be typical in peritonitis?

The typical lab values for peritonitis would depend on the severity of the condition and associated complications. Generally, patients with peritonitis present with an elevated white blood cell count, usually greater than 10,000 cells per microliter (mcL), and an increased level of C-reactive protein (CRP).

An elevated CRP indicates a significant acute phase reaction likely associated with infection and/or inflammation. Other lab values that may be altered in patients with peritonitis include: serum albumin, an indicator of nutritional status; elevated levels of lactate dehydrogenase (LDH) and alanine transaminase (ALT), indicators of liver cell damage; and increased concentrations of BUN and creatinine, markers of kidney injury.

Urine analysis should also be conducted to look for indications of infection such as white blood cells, glucose, bilirubin, bacteria, and other markers of infection. A urinalysis can provide important clues about the presence of a urinary tract infection and be used to guide further testing and treatment.

Can peritonitis go undetected?

Yes, peritonitis can go undetected in some cases because its symptoms can be quite subtle and may be mistaken for other less serious medial conditions. Symptoms of peritonitis can appear similar to other issues like appendicitis, gallbladder attack, kidney stones, bladder infection, or a digestive disorder.

Additionally, some people may not experience any symptoms at all. This is especially true of the elderly and those with chronic illnesses that could interfere with their ability to notice the signs of peritonitis.

If left undiagnosed and untreated, peritonitis can be life-threatening. Because of this, it is important for people to pay attention to any persistent abdominal pain or discomfort and seek medical attention if it does not improve.

Does peritonitis cause low BP?

No, peritonitis typically does not cause low blood pressure (BP). Peritonitis is an infection of the tissue that lines the inner wall of the abdomen and usually occurs as a result of an infection in the abdominal cavity due to intestinal perforation, an abdominal injury, or postoperative infection.

Symptoms of peritonitis usually include pain or tenderness in the abdomen, nausea or vomiting, fever, and/or chills. In some cases, there may be a distended abdomen.

However, while peritonitis is not typically associated with low BP, complications from the infection may lead to hypotension (low BP) as a result of sepsis or severe dehydration due to loss of fluids from vomiting and/or diarrhea.

Additionally, medications used to treat peritonitis may also cause hypotension. It is therefore important to speak with your doctor if you are experiencing any signs or symptoms of peritonitis and closely monitor your blood pressure.

Which findings are likely in a patient with peritonitis?

A patient with peritonitis may present with a wide range of signs and symptoms that depend on the underlying cause. Common findings may include abdominal pain or tenderness, abdominal distention, fever, and leukocytosis.

Patients typically also experience nausea, vomiting, and anorexia. In some cases, there may be tenderness, rigidity, and guarding of the abdominal muscles. Other physical findings may include ascites, jaundice, and an enlarged and tender liver or spleen.

Laboratory tests, such as a complete blood cell count, peritoneal fluid analysis, cultures of any draining abscesses, and imaging studies may be used to help establish a diagnosis.

What infections cause low BP?

Infections can cause low blood pressure or hypotension in a number of ways. When an infection affects the body, the immune system will sometimes release chemicals that can cause a decrease in blood pressure.

Common infections that cause low blood pressure include sepsis, meningitis, pneumonia, urinary tract infections, and malaria. Sepsis is a life-threatening condition that occurs when an infection spreads throughout the body.

It can cause vasodilation (widening of the blood vessels) and a decrease in blood pressure. Meningitis is an inflammation of the membranes that surround the brain and spinal cord. It can affect the body’s autonomic nervous system which regulates blood pressure.

Pneumonia is an infection of the lungs and it can cause fluid to accumulate in the lungs, making it difficult for the heart to pump blood effectively. Urinary tract infections or UTIs can cause hypotension due to the body’s immune response to the infection.

Malaria can cause low blood pressure due to the lack of healthy red blood cells that the infection can cause. Other less common infections that can cause low blood pressure include typhoid fever, cholera, and dengue fever.

To avoid hypotension caused by infections, it is important to seek medical attention if you are experiencing any signs and symptoms of an infection.

How does inflammation cause low blood pressure?

Inflammation can cause low blood pressure in several ways. First, inflammation causes changes in the body’s vessels and can result in vasodilation—a widening of the blood vessels that lowers blood pressure.

This may occur when the vessels become damaged or when an immune system response triggers a release of chemicals that cause the vessels to expand. In addition, inflammation can damage the walls of veins and capillaries, which can disrupt or even stop blood flow.

This reduces the amount of blood the heart needs to pump throughout the body, effectively lowering blood pressure. Finally, inflammation can also suppress the body’s ability to regulate itself. This can lead to ill health, further reducing the need for blood to be pumped throughout the body and potentially further lowering blood pressure.

What causes low blood pressure and abdominal pain?

Low blood pressure (hypotension) and abdominal pain can be caused by a variety of medical conditions, including dehydration, food intolerances, allergic reactions, gastrointestinal problems, medication side effects, electrolyte imbalances, infections, endocrine disorders, and conditions that may affect the arteries and veins.

Dehydration due to illness, exertion, or chronic conditions can cause the body’s fluid levels to drop and lead to hypotension and abdominal pain. Food intolerances or allergies can also cause an overreaction of the body’s immune system, resulting in inflammation and pain, as well as low blood pressure.

When the gastrointestinal tract is affected by a virus, bacterial infection, or dietary irritants, gastrointestinal distress can also cause abdominal pain and low blood pressure. Medication side effects and certain endocrine disorders can lead to both hypotension and abdominal pain.

Conditions affecting the arteries and veins, such as atherosclerosis and deep vein thrombosis, can obstruct blood flow and cause both low blood pressure and abdominal pain. Lastly, electrolyte imbalances, such as those caused by extreme diets, eating disorders, or certain medical conditions can cause the body’s chemical levels to be off balance and result in low blood pressure and abdominal pain.

What is the most common clinical feature in a patient with peritonitis?

The most common clinical feature in a patient with peritonitis is abdominal pain. Peritonitis is an inflammation of the tissue that lines the inner wall of the abdomen, known as the peritoneum. It is typically caused by an infection from bacteria or fungi, and can also be caused by trauma.

Symptoms of peritonitis vary from mild to severe, but typically include abdominal pain that can radiate to the back, nausea and vomiting, tenderness over the abdomen, abdominal distention, fever, and a rapid heart rate.

A patient’s pain may range from mild to severe and may be constant or intermittent. In more severe cases, peritonitis can cause bowel obstruction, anorexia, low blood pressure, and even shock.


  1. Peritonitis – Diagnosis and treatment – Mayo Clinic
  2. Peritonitis – Symptoms and causes – Mayo Clinic
  3. Peritonitis and Abdominal Sepsis Clinical Presentation
  4. Peritonitis: Causes, Symptoms, Diagnosis & Treatment
  5. Peritonitis: What is it, Causes, Diagnosis, Treatment, and More