Pain in the right side develops with damage to the digestive organs - appendicitis and mesadenitis, Crohn's disease, hernias and malignant neoplasms. Among other causes of the symptom, urolithiasis is distinguished, in women - pathologies of the internal genital organs. To diagnose diseases manifested by pain in the side, ultrasound, X-ray and endoscopic studies are performed. Be sure to prescribe a standard package of laboratory tests of blood, feces, urine. Treatment includes medications (analgesics, antibiotics, hormones and cytostatics), surgical interventions.