Hi there Jade.
I note that you say you are virginal. So STD's are out. Herpes simplex
however may present as described & if you have in the past had 'cold
sores' on the lips, it is possible to have seeded it through direct contact.
Alternatively, the vaginal region & clitoral area is rich with a number of glands. Any one of these may have got infected & present as a cystic swelling of the nature you describe esp. with the pain.
It is rarer but one cannot rule out an insect bite reaction that could begin with an itch & then turn painful albeit ants in your pants may not be an issue with you....but then again..if one was a frequent visitor of jellystone park..:) just kidding.
On a serious note, if you cant visit a doctor, then you are best taking symptomatic treatment & i recommend an antihistamine & antiinflammatory agent (fexofenadine
180 & ibuprofen
400mg) the former being a single does & the latter three times/day after meals.
You may alternatively get in touch privately with one of us using the premier 'ask-a-specialist' portal & directly get in touch with me.
Cheers & Good Luck!
Dr Praveen Rodrigues MD
, Cosmetologist, Venereologist
Vikram Hospital, Bangalore, India