1.vesicle over the tip of the nose is always associated with corneal involvement.
2. because it is recurring, make sure you don't have weakened immune system (recurrent cold
3. best possible management is to consult with a skin or veneral disease specialist,regarding your condition.
4. as you said: it is coming out take acyclovir
tablet 200 mg 4 times a day along with cap.becosule and if vesicle is showing some secondary infection then Antibiotic also.