Our expert says:
It depends how hard you knocked it - you may have a bruised coccyx or even a cracked coccyx. Maybe your doctor should rather examine you to determine if x/rays is necessary. It may help to sit on a doughnut cushion (you can buy one at Dischem or try to borrow one from a physiotherapist)See http://www.coccyx.org/coping/cushions.htm
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.