UPPER Right Abdominal Pain

Pain in the upper right abdomen may arise from:

  • LUNGS
    • Pneumonia (bacterial or viral) of the lower lobe of the right lung. 
    • Pleurisy or pleuritis (inflammation of the lung membrane) from infection, trauma, etc.
  • LIVER
    • Enlarged liver due to heart failure, hepatitis, fatty liver, lymphoma, leukemia, etc.
    • Liver cancer or metastases of other cancer into the liver.
  • GALLBLADDER/ BILIARY TRACT
    • Gallbladder inflammation, mostly due to gallstones.  
    • Inflammation or blockage of the biliary tree (cystic, or common bile duct).  
    • Gallbladder and biliary cancer are rare. 
  • DUODENUM
    • Duodenal ulcer
  • MUSCLES
    • Strained muscle  
  • KIDNEYS/URETHER
    • Pyelonephritis (infection of the right kidney).  
    • Kidney/uretheral stones 
  • DIAPHRAGM
    • Abscess under diaphragm 

 

LOWER Right Abdominal Pain 

Lower right abdominal pain may arise from:

  • APPENDIX
    • Appendicitis (inflammation of appendix)
  • SMALL INTESTINE
    • Crohn’s disease affecting the last part of the small intestine, called terminal ileum
  • COLON
    • Volvulus twisting of the cecum (starting part of large intestine), rare.
  • FEMALE REPRODUCTIVE ORGANS
    • Ovulation (mid-cycle pain, Mittleschmerz)
    • Twisted or ruptured ovarian cyst
    • Ectopic pregnancy
    • Miscarriage
    • Polycistic ovarian syndrome – PCOS; usually affecting both right and left ovary
  • MALE REPRODUCTIVE ORGANS
    • Spermatic cord disorders
    • Testes disorders
  • ABDOMINAL VESSELS
    • Hereditary angioedema
    • Henoch-Schönlein-purpura
    • Atherosclerosis of arteries that supply the intestine
  • BLOOD
    • Porphyria
    • Sickle Cell Disease
  • ABDOMINAL MUSCLES
    • Hard exercise
    • Blow
    • Rectus sheath haematoma
    • Psoas abscess
    • Intestinal hernia
  • SKIN
    • Herpes zoster
    • Dermatitis  
  • ABDOMINAL MEMBRANE (PERITONEUM)
    • Endometriosis
    • Fibroids
    • Fibroma

Detailed description of right upper (RUQ) abdominal pain

Detailed description of right lower (RLQ) abdominal pain

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Further Reading :
  • White Gallbladder-Related Diarrhea & Green Bile Salts Diarrhea