Pneumonia, pleurisy, or collapsed lung: Conditions affecting the left lung can cause sharp chest or side pain, especially when breathing deeply.
5. Reproductive and Urinary Causes
Kidney stones or infections: The left kidney or urinary tract can cause flank or back pain.
Gynecological issues: In women, ovarian cysts or ectopic pregnancy on the left side can cause abdominal or pelvic pain.
When to See a Doctor
Seek urgent medical help if the pain is:
Sudden, severe, or worsening.
Accompanied by chest pain, shortness of breath, dizziness, or sweating.
Associated with blood in urine, fever, or unexplained weight loss.
Final Thoughts
Not all pain on the left side is serious, but some causes can be life-threatening. If in doubt, consult a healthcare professional for a proper diagnosis and treatment plan. Early attention can prevent complications and provide peace of mind.