Topical Diclofenac Labeling Updated to Match Oral Agents ...
: Treatment with all products containing diclofenac sodium, including Voltaren Gel, may increase liver dysfunction, resulting in severe hepatic reactions and liver ...
www.medscape.com/viewarticle/713451
I would definitely not take it!
You can also google 'diclofenac and liver'. I have found an articles saying the following:
Data collected by the FDA shows that diclofenac, a non-steroidal anti-inflammatory drug (NSAID), has caused serious liver toxicity and liver failure in some patients.