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Green discoloration on tongue, smoking, infections, use of mouthwash with iodine, drugs

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General & Family Physician
Practicing since : 2008
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XXXXXXX tongue for 30+ days. Darkest in am. Allergy doctor and primary doctor cannot determine cause. Can you?
Wed, 16 May 2012 in Ear, Nose and Throat Problems
Answered by Dr. Raju A.T 21 hours later

Thanks for your query ,

The most possible causes for a greenish discoloration of the tongue are Smoking, Tongue Infections and too much use of mouth washes with chlorhexidine / Iodine.

I hope your doctors would have rule out the infection.

It is also said that people who use weed frequently and illicit drug abuse can also have greenish discoloration of tongue.

I could be able to come to a most probable diagnosis , if you can provide some more infromation like :

1) Do you have sorethroat or dental caries ?

2) Is there any history of recent intake any antibiotics or any other drugs ?

3) Do you smoke or consume alchol ?

4) Did you have fever at the onset of the discoloration , Is it still prevailing ?

Will be waiting for the your information

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