other than the fact that you may have an increase in your arthritic pain there are no medical consequences in stopping this anti-inflammatory medication. ibubrofen is not addictive or steriod. you can stop the medication without tappering the dose. nsaids like ibubrofen consumption for long term itself may cause gi disturbances. try to switch over herbal anti-inflammtory combination like curcuma boswellia withania vitex negundo etc.
what are consequences of stopping ibuprophen for osteoarthritis?