Sentence examples for a shitty side effect from inspiring English sources

The phrase "a shitty side effect" is correct and usable in written English, though it is informal and contains vulgar language.
You can use it when discussing negative consequences or drawbacks of a situation, particularly in casual or conversational contexts.
Example: "While the medication helped with my symptoms, it also came with a shitty side effect of constant fatigue."
Alternatives: "an unpleasant side effect" or "a negative side effect".