What should I do if I have a painful blister on the side of my tongue?

The lateral edge of the tongue with blisters is very painful, may be herpes, herpes type of disease, need to go to the hospital in time for examination and diagnosis, the use of drugs targeted treatment.
1. Herpes. Organism infected with herpes zoster virus, can be accompanied by significant neuralgia, along the unilateral distribution of peripheral nerves clustered small blisters, the main use of antiviral drugs (such as acyclovir, etc.), the pain is obvious to take carbamazepine for pain.
2. Herpetic disease. Belonging to the body’s autoimmune diseases, commonly found in pemphigus, pemphigoid, any part of the oral mucosa can be widely occurring blisters of varying sizes, blisters are easy to break the emergence of vesicles pain, the need for timely use of medication, oral prednisone, cyclosporine, cyclophosphamide and other immunosuppressants.
The side edge of the tongue long blisters are very painful and other reasons, it is recommended to timely medical examination of the cause of the disease, under the guidance of the doctor targeted medication.