Thanks for writing to us.
The condition described by you is also called Muscular Twitching (of facial muscle) musle fibres around the lt side of nasal area . It is a harmless condition called Myokimia.
In all probabality is due to latent anxiety
about some exams results being awaited etc.Even though medicines have no role and its being a self limiting condition,as an adjuvant therapy
multivitamins/neurotropic B complex group can be purchased from a trusted pharmacy.
If the condition develops associated with (a) regularity (b)you get a prodromal symptoms such as flashes of light.(c)an aura that you will definitely get the symptoms after 30 mins like that .(d)familial predisposition. Then you kindly consult a neurologist
for a complete work up.
Cheer up. It will resolove soon.
Dr Lt Cdr ASN Bhushan.