Days later, bumps appeared on his leg and gaping wounds had encompassed his right foot.
It wasn't until they developed cutaneous larva migrans, the skin condition marked by a telltale red, winding rash, that doctors diagnosed them with a hookworm infection.
In the USA and Canada, the medications can be expensive: Mulhollen Dumas says her son is taking an antibiotic and two anti-parasitic drugs, including one that has cost her more than US$1,300, even with her insurance coverage.
Six out of 17 people traveling with her son were infected with hookworms, the teen's mom said.
Since returning home, Michael has been in pain and visited a pediatrician four times, as well as a dermatologist.
A Tennessee teen and several other people visiting a Florida beach have been infected with hookworms.
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Mourinho was furious at the first, in particular, and spoke at length to the referee to explain his frustration. But the Chilean cut a frustrated figure throughout, repeatedly complaining about poor distribution.
People living in warm and moist climates where there are poor sanitation practices are at risk of hookworm infection, the Center for Disease Control writes on its website.
"He was buried in the sand for fun and it has become our nightmare", she posted on Facebook, with graphic images of her son's inflamed skin.
Michael was not the only one in his group to have been infected. They said this incident is something they are investigating.
Dermatologists have even tried to freeze the worms. Moreover, he has to soak the afflicted body areas in bleach water.
"While she was using the liquid nitrogen, he could actually feel the worms moving in his body", Dumas said.
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He also said Congress must fix "the DUMBEST & WORST immigration laws anywhere in the world!" and urged voters to "Vote 'R'". Mr Trump has requested $25 billion to build the border wall and $1.6 billion has already been appropriated for the project.
She added that he now can not wear shoes and needs to soak the infected area in bleach water every day.
Kelli posted a series of pictures on Facebook on Friday, July 20, detailing the progress of her son's infection and also spreading awareness among other people by telling them to wear footwear while in public places.
'He is in pain and this is very bad. "Never be buried in sand or allow your children to be either".
However, Pompano Beach spokesperson Sandra King told the Sun-Sentinel, "We haven't heard from anyone, not any resident, not the health department".
"She explained to me that everyone knows you're supposed to wear shoes on the beach", Kelli said.
Vampyr’s Summer Content Update Introducing New Game Modes
The focus here is to get you in and out of the story without having to worry about all the chaos that comes with being a vampire. The update also promises a host of optimization tweaks, so you should see the Vampyr experience become a lot smoother overall.