Probably muscle: If the pain or twitching is right under the lower rib, it is most likely caused by a a muscle or the stretching of the ligament that attaches the muscle to the rib. If it is something that continues or gets worse, it is best to consult a doctor. If the twitching stops when taking a deep breath, it's nothing to worry about.
Answered 8/9/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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