Can you advise for cold sore or canker sore?

Different: These lesions come from different sources. The cold sores are caused by the herpes virus. You can also get ulcerated sores the the mouth from this virus. There is no cure but some medications to reduce outbreak and hassen healing. The canker sores are an auto-immune reaction to various triggers or trama. You can only let them run their course and apply ointments to relieve. See your dentist.

Canker sores : Canker sores are the most common oral lesions. Individual ulcers typically last 1-2 weeks. The condition is idiopathic (cause is not known) recurrent aphthous ulcers is usually self-limiting. If concerned see your dentist after 10 days or visit today for laser immediate amelioration.