No, this is not normal. This needs investigations. An ultrasound is the first step, apart from physical evaluation. Mild grade infection in the abdominal wall, adhesions (scarring in the abdomen) are some of the common causes for this kind of pain. Contacting the surgeon would be prudent.
Please feel free for your follow up questions.
I agree the infection is not the usual cause, though abdominal wall infection may present late. Still any infection should give continuous pain than intermittent pain. An intermittent pain may be caused by the scarring or adhesions. When the diagnosis is not certain, investigations, need to be done.
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