Hello,
Welcome to HCM and thanks for asking your question. I would do my best to solve your query.
First of all, i would like to ask you that if your husband has any medical illness like BP, Diabetes or any respiratory or heart problems. Also want to tell you that as his age is 55, he needs to do a body check up every 6 monthly to detect any problem at the earliest and avoid the complications.
During intercourse,
chest pain and
shoulder pain need not to be taken lightly, so i would suggest you to do ECG,
Echocardiogram, Xray chest, check BP, Blood sugar and
lipid profile,
Serum creatinine of your husband.
If everything is normal, then it might be due to
muscular pain and take sufficient rest for few days, apply
analgesic gel to the paining area and pain will go away soon. But if the problem continues even after doing all this, then you need to consult a physician.
I guess this will surely help you to improve your husband's health and best of luck for that.