Does medrol (methylprednisolone) cause blurred vision and headaches?

Yes, it can...: Medrol (methylprednisolone) is a steroid. Steroids can cause headaches. Blurry vision can result from your blood sugar going out of whack (in diabetes). Long term steroids can cause cataracts and glaucoma, but Medrol (methylprednisolone) is usually a dose pack for short term usage. If symptoms persist, let your doctor know.

It can: Steroids have several side effects including blurry vision, headaches, racy heart, water retention and weight gain. Talk to your doctor to make sure that the blurry vision is not due to any other reason.