Supartz - what are possible side effects after an injection?

Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Supartz:

Back pain; mild bruising, heat, redness, swelling, or pain at the injection site; temporary achy feeling; temporary knee inflammation.

Seek medical attention right away if any of these SEVERE side effects occur when using Supartz:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue).

http://www.drugs.com/sfx/supartz-side-effects.html