Sudden Nerve Pain in Right Side of Head.

Sir/Madam, My Age is 33. Around 15 days before around 1 pm in night..since i was awake thinking...i develop sudden sharp nerve pain in right side of head i.e between upper right eye and ear....only once..and not thereafter..however slight pain afterwards It was first time i have ever experinced such pain in head in my entire life. Since then i am feeling that my head has become weak..and sometime feel heavyness in right side in head and may be face also.... I am very tensed...as i mistakenly googled and i have invited numerous brain related problem to self...and become more tensed...thinking i might have these I don't want to live my life on taking medicine...plz help me...whether i have damaged my brain cells or nerves...or my nerves has permanently weaken... Will i be able to normal again without medicine... Plz Hepl Doctor