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This kind of pain can be due to rectal problem- fissure/ piles, or bone realted or nueralgic.
Visiting a general physician for an examination will be suggested here. Please chk your sleeping mattress, office chiar , if they are uneven or saggy.
Avoid exertion for now.
For pain relief you can take homeopathic
remedies , safely.
Also since you are 43, a bone density
chk and including calcium in diet is suggested.
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