Eating calcium tablets tongue black generally with calcium tablets does not have a direct relationship, may be related to the usual dietary habits, but also may be the emergence of black hairy tongue and other diseases.
1. Dietary habits, if you often eat food containing more color, such as coffee, chocolate, etc., may appear tongue black symptoms, generally not caused by eating calcium tablets.
2. Black hairy tongue, if there is a black hairy tongue, tongue tissue keratinization is excessive, bacterial fungi may lead to the tongue, pigmentation, so it is easier to appear tongue black symptoms.
If there are obvious symptoms of black tongue, it is recommended to actively seek medical examination and treatment, so as not to aggravate the situation. Usually also need to pay attention to oral hygiene, to avoid infection.