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The sixty-year-old patient’s face skin also turned grey, doctors say
Black hairy tongue syndrome (BHT [4]) is a condition of the tongue in which the small bumps on the tongue elongate with black or brown discoloration, giving a black and hairy appearance. The appearance may be alarming, but it is a harmless condition.
A case study recently published in the New England Journal of Medicine is raising awareness about a condition being referred to as 'black hairy tongue.' Woman on antibiotics develops a 'black ...
It is a very common oral condition and affects 13% of the world population. It is often due to poor oral hygiene which leads to accumulation of oral bacteria and build up of keratin on the tongue surface. Black hairy tongue can also be associated with the use of certain medications such as antibiotics, prolonged coffee/tea drinking habit, or ...
Bismuth sulfide is a highly insoluble black salt, and the discoloration seen is temporary and harmless. Long-term use (more than six weeks) may lead to accumulation and toxicity. [8] High daily intake over a period of months can possibly cause severe fatigue, weakness and neurological symptoms that reverse with discontinuation. [9]
Chlorhexidine came into medical use in the 1950s [15] and is available over the counter in the United States. [9] It is on the World Health Organization's List of Essential Medicines. [16] In 2022, it was the 230th most commonly prescribed medication in the United States, with more than 1 million prescriptions. [17] [18]
Over-the-counter (OTC) medicines at FamilyDoctor.org, maintained by the American Academy of Family Physicians. Contains extensive information on over-the-counter drugs and their responsible use, including specific guidance on several drug classes in question-and-answer format and information on common drug interactions.
[2] [27] Potential side effects include black tongue, black stools, nausea, constipation, and ringing in the ears. Bismuth subsalicylate should not be taken by those with aspirin allergy, kidney disease, or gout, nor concurrently with certain antibiotics such as the quinolones, and should not be taken continuously for more than three weeks.