Re: Coughing - strained stomach?
Muscle groups can frequently become strained during particularly excessive bouts of coughing and spasms are not uncommon. The diaphragm itself can become strained and pain is often encountered beneath the lower costal border of the rib cage, particularly noted during inhaling or exhaling. Auxillary muscle groups over the abdomen, at the rib cage, as well as the sides and back can additionally become affected.
A hernia can rarely be produced but most commonly only found where predisposition to herniation is present, ie past medical history. I doubt that it's the case here and self-resolution of the discomfort of muscle strain typically occurs within several days.
If you are still experiencing difficulty with a non-productive cough, then the use of an expectorant cough syrup will often relieve the problem. If you continue to experience symptoms of a cough for more than 2 weeks, then it's always advisable to seek evaluation by your primary care physician.
Best regards,
Rutheford Rane, MD (ret.)
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Best regards and Good Health