Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns..
As per your complain
Metallic taste in mouth along with taste of blood can be due to causes like
Gum infection, dental infection, side effect of certain medication, vitamin and minerals,
Acid reflux,diabetes,
sinus infection, certain chemical posoning, disorders related to Brain and kidney or liver disease can also lead to similar symptoms..
I would suggest you to consult an Oral Physician and get evaluated and he can do a clinical evaluation and also advise you investigations as per suspected cause and can also do proper referral to appropriate specialist..
As of now you should do warm saline gargles..
Gargle with antiseptic mouthwash..
You can drink plenty of water and maintain a good
Oral hygiene..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora.