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M.B.B.S., M.C.P.S, F.C.P.S.
M.B.B.S., F.C.P.S., MRCPI
M.B.B.S., M.R.C.P, M.R.C.P (Ireland)
M.D., M.S General Surgery
M.B.B.S., D.C.M, M.D.
M.B.B.S., F.C.P.S (Surgery), F.M.A.S (Surgery)
M.B.B.S., F.C.P.S., M.R.C.P
A cough is a reflex action to clear your airways of mucus and irritants such as dust or smoke. It's rarely a sign of anything serious. A ""dry cough"" means it's tickly and doesn't produce any phlegm (thick mucus). A ""chesty cough"" means phlegm is produced to help clear your airways.