No...synthroid does not cause black stools. This could be a sign of gastric (stomach) bleeding, certain foods, or a medication (like Pepto Bismol)... A. Black stools can be a sign of gastrointestinal bleeding (melena)....OR it can be a sign of someone taking Pepto Bismol for their loose bowel...
A person's brother or sister. Classified under: Nouns denoting people. Synonyms: sib; sibling. Hypernyms (sibling is a kind of...): relation; relative (a person related by blood or marriage) Hyponyms (each of the following is a kind of sibling): half blood (one of siblings who have only one parent in common) quad; quadruplet (one of four children born at the same time from the same pregnancy) quin; quint; quintuplet (one of five children born at the same time from the same pregnancy)
From Wikipedia, the free encyclopedia. Siblings Day (sometimes called National Siblings Day or National Sibling Day) is a holiday recognized annually in some parts of the United States on April 10, honoring the relationships of siblings.