Purple color on the left side of the tongue can be seen in normal people, but it may also be caused by lingual inflammation, coagulation dysfunction, etc. You should consult a doctor in time to clarify the cause of the disease.
1. Physiological conditions: Normal people may have purple color on the left side of the tongue after eating red dragon fruit and other foods with color, such people do not have other symptoms, usually without special treatment.
2. Tongue inflammation: when the left side of the tongue is purple and accompanied by swelling, pain, eating pain, burning sensation, it should be considered that the lack of micronutrients, dental calculus and other causes of tongue inflammation caused by such people should quit smoking and alcohol, pay attention to keep the oral cavity clean.
3. Abnormal coagulation function: the left side of the tongue purple also accompanied by skin and mucous membrane ecchymosis petechiae, nosebleeds, bleeding gums should be considered abnormal coagulation caused by such people should seek medical treatment in a timely manner.