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It is not likely from stopping losartan...
It could be incidental and you need investigation... Dizziness
may be from postural hypo-tension / anaemia / arrhythmia
and so on
The body's balancing mechanism is in the inner ear. An ENT (Ear Nose Throat) specialist should be consulted...
If there are no clues, you have to be followed up by a neurologist
. MRI may be needed. MRA (MRI angiography
) shows blood vessels and is generally done at the same sitting.
Discuss with your doctor...
Wishing speedy recovery