This is Dr Basu, experienced Internal Medicine Specialist.
I am here to address your concerns and provide great service.
I understand your concerns.
Cough is likely from the cold due to the viral bronchitis.
Not transfusion related since chest xray was clear.
Current vibration sensation is likely due to the nerve irritation related.
The irritation can occur due to the stretching of the nerves supplying the ribcage.
Another possibility can be vitamin B12 deficiency often seen in anemia.
Vitamin B12 level should be checked.
Fluid i the lungs can be fixed if present--infection can be treated with antibiotic and fluid goes away.
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