A member asked:

Hi, i was sick for a week with a very bad flu runny nose a caught . i was cleaning my nose a lot , but then i woke up with blister under nose wtd? tnx

A doctor has provided 1 answer

Cold sore: You probably have a cold sore, which is reactivation of herpes simplex infection. It will go away in a few days. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.

Answered 9/18/2017

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Thank

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