According to some news sources, Garcia Marquez has been hospitalized with pneumonia. His family has asked that no details of his condition be released.
He last made a public appearance on March 6, his 87th birthday, outside his Mexico City home.
The president of Mexico, Enrique Peña Nieto, wished Gabo "a speedy recovery" on his Twitter feed.
Garcia Marquez was born in 1927 in the small town Aracataca, Colombia. As a young man he worked as a journalist in Colombia and then in Europe and the U.S. He was living in Mexico City when he wrote his iconic novel "One Hundred Years of Solitude."
First published in Spanish in 1967 and in English in 1970, "One Hundred Years of Solitude" launched a new genre known as magic realism. His other major works include the novels "Love in the Time of Cholera," "The Autumn of the Patriarch," "The General and His Labyrinth," and the novella "Chronicle of a Death Foretold."
He was awarded the Nobel Prize for literature in 1982.
His most recent work of fiction was the novella "Memories of My Melancholy Whores," published in 2005. A partial memoir, "Living to Tell the Tale," was published in 2003.