Oso, an 8-year-old chow mix, seemed an empty shell when he arrived at Downey Animal Care Center.
He was dumped just before the Fourth of July weekend.
His family didn't give a reason. But Sal Valdepeña, who volunteers to find homes for shelter dogs in the area, has an idea.
"Owners didn't want to be bothered by his skin condition," he tells The Dodo. "They betrayed him because of his skin."
Indeed, Oso suffers from alopecia and pyoderma, both skin conditions that are treatable. In fact, the Downey shelter has a booth set up at the entrance, with staff from the American Society for the Prevention of Cruelty to Animals offering financial assistance for people who can't afford their pet's medical bills.
What may take a little longer to treat is Oso's shattered heart.
"He's defeated and confused," Valdepeña says. "Staring at the wall trembling."