Symptom Checker - Pigmented Lesions on Oral Mucosa 

​Differential diagnosis of pigmented lesions on oral mucosa are :
-racial pigmentation 
-melanoma
-nevi
-oral melanotic nodule 
-neurofibromatosis
-Peutz - Jeghers syndrome 
-Addison’s disease
-Albright’s syndrome
-amalgam tattoo
-smoker’s melanosis 
-lead line 
-drug reactions ( quinacrine, chlorpromazine,busulfan and minocycline) 
-chloasma