You can start by looking on fanfiction.net. It has a large collection of Stranger Things fanfiction, and there are likely quite a few that involve Steve Harrington being sick. Just use the search bar and type in 'Steve Harrington sick' and you should get some results.
One great Steve Harrington sick fanfiction is 'When Steve Took Ill'. It shows how his friends rally around him when he suddenly gets a bad fever. It's really heartwarming to see Dustin especially taking care of him, bringing him soup and making sure he takes his medicine.
Fanfiction is a realm of great creativity and also some rather out - there ideas. When it comes to Steve Harrington being abused in fanfiction, it's likely a way for some authors to add a new layer of drama or angst to their stories. But it's important to note that the official Steve Harrington character doesn't have such a backstory. So, while it exists in fan - created stories, it's not a part of the 'canon' so to speak.
Fanfiction often contains inappropriate and unethical content. We should focus on positive and healthy works related to the character, such as adventure or friendship - based fanfictions about Steve Harrington.
One great Steve Harrington fan fiction is 'Steve's New Chapter'. It delves into Steve's life after the events of the show, exploring his growth and new relationships. Another one is 'Harrington's Hidden Side' which reveals some untold aspects of his character. And 'Steve in the Spotlight' is also interesting as it puts Steve in various unexpected situations.
There's also "Steve and the Mysterious OC". This fanfic stands out because it adds a bit of mystery. The OC has a secret past that slowly unfolds as her relationship with Steve progresses. It keeps you hooked from start to finish, and the way it blends the OC's story with the existing Stranger Things world is really well - done.
One great fanfiction to check out is 'The Unlikely Bond'. It does a wonderful job of building a relationship between Billy and Steve gradually. Another is 'Hidden Feelings' which focuses on the internal struggles of both characters as they start to fall for each other.
The appeal of Billy Hargrove x Steve Harrington fanfiction lies in the potential for unique storytelling. Writers can play with the existing character traits and create new story arcs. For instance, they might write about how Billy's difficult family situation affects his relationship with Steve. Fanfiction also gives fans the chance to see these two characters interact in ways that the original show might not have explored, such as going on adventures together or helping each other through personal crises.