Aches and pains hamper daily activities like walking, dressing, combing hair, doing a job at the office or even picking up a spoon. Doctor's suggest taking pain killers for immediate relief from pain and inflammation of any type of pain. These pain killers, though relieve aches and inflammation, cause side effects such as abdominal pain, or even gastric bleeding and ulcers drugs can damage liver and kidneys, steroidal pain killers can cause weight gain, hypertension, mood changes and joint damage.