The phrase "obvious side effects" refers to any noticeable or detectable outcomes that are not the primary intended effect of a medication, treatment, or intervention. Full definition
The most obvious side effect of caffeine intake is the feeling of being awake and alert. (med-health.net)
Although there are valid reasons for the policies, it creates obvious side effects with public confidence in the national currencies taking a hit. (fxstreet.com)
The most obvious side effect for me has been increased energy. (mommymusings.com)