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Dallas, Texas
A 33-year-old male asked:

Muscle twitching under my armpit on right side wrapping around ribs from shoulder blade to pectoral muscle, unrelated to electrolytes. other causes?

1 doctor answer2 doctors weighed in
Dr. Philip Junglas
Internal Medicine 31 years experience
Fasciculations: These can be from medications (allergy/decongestants and others) recent exercise and nerve issues, to name a few. If prolonged (over two to three days,) review with primary care provider.
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Last updated Jan 8, 2021

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