Thanks for posting your query.
Sotalol is a beta blocker
with significant anti-arrhythmic properties.
It can cause significant bradycardia
and sick sinus syndrome
like symptoms and hypotension
, dizziness and fatigue.
You should get evaluated by a cardiologist for the overdose possibility and tune up the dose.
Hope I have answered your query.
If you have any questions I will be happy to answer.
Please close the query if you have no other questions.
Wish you a good health.