I would report this to your doctor. Changes in smell may signify
a brain lesion.... and with your cancer history, this should be
followed up on.
Taking antiseizure drugs can lower the electrical threshold for
seizures in some people. So because of this you should also report to your doctor. Changes like this in smells can be an aura for a seizure.
http://en.wikipedia.org/wiki/Aura_%28symptom%29
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Weezie looking at petunias 8.25.2017
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