Contact Helsinn with questions you may have about VALCHLOR

If this is a medical emergency call 911. You should always talk with your doctor first if you have any questions about your individual treatment.


1-855-4-VALCHLOR (1-855-482-5245)

To report suspected adverse reactions, contact Helsinn at 1-855-4-VALCHLOR (1-855-482-5245), or the FDA at 1-800-FDA-1088 or