DrugDigest: Sotalol ( Betapace )
- Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available.
- http://www.drugdigest.org/DD/DVH/Uses/0,3915,612%7CSotalol,00.html

Betapace AF
- Information for US consumers and health care professionals including prescribing information, details of its use in the treatment of atrial fibrilation, newsletter, and patient resources.
- http://www.betapaceaf.com/

Sotalol
- Information from the RxList.
- http://www.rxlist.com/cgi/generic/sotalol.htm