Get medical help right away if any of these rare but very serious side effects occur: change in the amount of urine, unexplained stiff neck.

Tell your doctor immediately if any of these rare but very serious side effects occur: signs of infection (e.g., fever, chills, redness/swelling at the pump site), unexplained stiff neck, severe headache, trouble breathing.

Tell your doctor immediately if any of these rare but very serious side effects occur: change in the amount of urine, seizures, signs of infection (e.g., fever, persistent sore throat), unexplained stiff neck.

Tell your doctor right away if you have any serious side effects, including: easy bruising/bleeding, hearing changes (such as ringing in the ears), mental/mood changes, swelling of the ankles/feet/hands, sudden/unexplained weight gain, unexplained stiff neck, change in amount of urine, vision changes.