Ask Health Experts and Get Answers to Your Health Question ASAP
Thank you for your question.
I am Dr Saha, I shall try my best to help you.
I am sorry for his condition.
Dark gray color of the mucosa of the mouth can be from low oxygen concentration in blood or cyanosis.
As he is incoherent & having such symptom, he would need urgent management.
I would suggest to take him to ER.
I hope this information helps.If there’s anything else I can do, please let me know.If you are satisfied, please rate my answer as good or excellent.Regards.