➤some of causes for left sided wait pain are . Fibromyalgia It is a disorder that results in musculoskeletal pain, along with fatigue, insomnia, mood swings, and memory lapses. It s exact cause is unknown, but scientists speculate that it may be psychological, genetic, and environmental as well. It cannot be cured, but its symptoms can be managed with the help of medications and therapy. ➤ Cauda Equina syndrome It results due to spinal defects or spinal injuries. It affects the bundles of nerve roots in the spine, called cauda equina, and cause intense pain, numbness, weakness, incontinence, sexual dysfunction, and sometimes may even cause paralysis. ➤ Ovarian Cysts Sometimes, cysts are formed in the ovaries of females, better known as ovarian cysts. Presence of cysts in the left ovary causes mild to severe left side abdominal pain. Many-a-times, surgery needs to be performed to remove the cysts from the ovary. ➤ Gastritis It is a medical condition wherein the lining of the stomach is inflamed. It is symptomized by burning sensation and pain in either the left or right side of the abdomen. ➤ Urinary Tract Infection (UTI) In case the pain is accompanied by a frequent urge to urinate, and urination is often painful, then you might have a urinary tract infection. UTI includes microbial infection of any of the structures which comprise the excretory system. Some of organs involved in the excretory system of the body are kidneys, bladder, and ureter or urethra. ➤ Irritable Bowel Syndrome (IBS) Irritable bowel syndrome is the most common gastrointestinal tract problem. It is characterized by abnormal gut contraction. The identifying symptoms are pain in the abdomen, flatulence, passage of mucus coated stools, abdominal cramping, and irregular bowel movements. All the given signs of IBS are generally accompanied with alternating constipation and diarrhea. ➤ Kidney Stones Sometimes, minerals and acid salts start accumulating on the inner surface of the kidneys. These deposits take the form of small and hard stones over time. This makes them known as kidney stones. If they are present in the kidney on the left side, you may feel pain on that side. Other uneasy signs include decrease in the amount of urine formed, and increase in the concentration of substances like phosphate, calcium, cystine, oxalate, and xanthine. ➤ Diverticulitis As you grow old, the wall of your colon gets weakened. This weakening of the colon wall results in the formation of small pouches which protrude outwards (herniation) from the lining of the colon. These are medically termed as diverticula. When these get inflamed and swollen they lead to a condition called diverticulitis. ➤ Ulcer They can be simply defined as areas of tissue erosion. The causative agents are smoking, stress, and bacterial infection. They may occur in the lining of the gastrointestinal tract. If the left side is affected, then it may lead to mild to severe pain. The region with the ulcer is usually concave in shape because of tissue erosion I hope you happy with information kindly rate it. thank you.