<s>[INST] i have precordial catch syndrome and the pain in my side usually doesnt last for more than a few hours but this pain has been lasting for three. Its a constant pain on the left side by my heart. Ive tried taking deep breaths, both slow and fast but nothing is working. Ive also taken advil and ive been stretching but that doesnt seem to be working either. Do you have any suggestions? [/INST] It's better if you mention your age and duration since when you have suffering.Precordial Catch syndrome is chracterized by episodes of cardiac pain for a brief interval of minutes to hours without any underlying cardiac disease.however of you have  found no relief in spite of stretching exercises and advI it's better to get a cardiac reevaluation done. If it yields negative you can try to observe aggravating factors and avoid it.many patients respond well to application of ice packsand gentle physiotherapy </s>