What Causes Abdominal Pain and Fever Together?

What It Means

When abdominal pain and fever occur at the same time, a shared underlying condition is usually responsible. 16 medical conditions are known to produce this symptom combination.

Key Factors

• →Acute appendicitis with localized peritonitis and fever
• →Acute cholecystitis with gallbladder inflammation and fever
• →Diverticulitis with pericolic inflammation
• →Pelvic inflammatory disease (PID) in women
• →Intra-abdominal abscess from any cause

Common Causes

• →Acute appendicitis with localized peritonitis and fever
• →Acute cholecystitis with gallbladder inflammation and fever
• →Diverticulitis with pericolic inflammation
• →Pelvic inflammatory disease (PID) in women
• →Intra-abdominal abscess from any cause

Related Conditions

• PancreatitisPancreatitis is inflammation of the pancreas, which can be acute (sudden) or chronic (long-term). Gallstones and heavy alcohol use are the most common causes. It causes severe upper abdominal pain that may radiate to the back, nausea, and vomiting.
• CholecystitisCholecystitis is inflammation of the gallbladder, usually caused by gallstones blocking the bile duct. It causes severe pain in the upper right abdomen, nausea, vomiting, and fever. Acute cholecystitis often requires surgery.
• Cystitis (Urinary Tract Infection)Cystitis is inflammation of the bladder, usually caused by a bacterial urinary tract infection (UTI). It causes a burning sensation during urination, frequent urge to urinate, cloudy urine, and pelvic discomfort. Women are significantly more affected than men.
• ProstatitisProstatitis is inflammation of the prostate gland, which can be caused by bacterial infection or other factors. It causes pelvic pain, difficult or painful urination, and sometimes fever and chills. Chronic prostatitis is the most common form.
• Typhoid FeverTyphoid fever is caused by Salmonella typhi, transmitted through contaminated food and water, causing sustained fever, abdominal pain, and rose spots. Antibiotic treatment is effective; vaccination is recommended for travellers to endemic areas.
• AppendicitisAppendicitis is inflammation of the appendix causing progressive right lower quadrant abdominal pain, nausea, fever, and rebound tenderness. Perforation risk increases with delayed treatment; surgical removal (appendectomy) is standard care.
• Norovirus (Stomach Flu)Norovirus is the leading cause of acute gastroenteritis worldwide, spreading through contaminated food, water, and surfaces. It causes sudden-onset vomiting, diarrhea, and stomach cramps lasting 1-3 days; hydration is the mainstay of treatment.
• SalmonellosisSalmonellosis is a foodborne illness caused by Salmonella bacteria, typically from contaminated poultry, eggs, or raw produce. Symptoms include diarrhea, fever, and abdominal cramps beginning 6-48 hours after exposure; most resolve within a week.