Thank you for posting your query.
It is unlikely that the multiple white spots
on the skin in your case are related to your medicines.
is an anticoagulant
(blood thinner), so, occasionally reddish spots may occur (due to bleeding in the skin).
Greenish stools are not a cause of concern.
In any case, you should consult a dermatologist
Dr Sudhir Kumar MD DM (Neurology)
Senior Consultant Neurologist