what is light brown coating on tongue
Tongue discoloration. Brown tongue (symptom description): Brown tongue is listed as a type of or related-symptom for symptom Tongue discoloration. Brown tongue (symptom description): For a medical symptom description of 'Brown tongue', the following symptom information may be relevant to the symptoms: Tongue discoloration (type of symptom). However, note that other causes of the symptom 'Brown tongue' may be possible.