Did this happen prior??
Is it ur first episode??
If yes than dnt worry
If its occur frequently than need to investigate
As u mentioned u dnt have money thn wait for sometimes if it will start again and occur repetadely thn consult doctor
and muscle relaxant
is usful to control acute pain
Do u have blurring of vision??
Do u have giddiness??
Do u have difficulty in walking??
If yes than u should consult a doctor and take treatment
Get well soon