I'm having a severe itchy vagina in which there's...

what is the possible causes of your medical condition ?
current description of vaginal fluid doesnt suggest vaginal infection , but severe itching may be an early sign of vaginal infection including fungal and bacterial infections, along side other possible diagnosis which is : allergic reaction or sensitivty cause such as repetitive product that cause irritation or using unsuitable underwear garmets 
what is the next step :
advised next step is consulting dermatology doctor to do the needed tests and get diagnosed, vaginal infection treated by : fungal infection - topical miconazole vaginal wash 2 times daily for 2 weeks / bacterial infection - topical clindamycin vaginal wash 2 times daily for 7 - 10 days 
- allergic reation or sensitvity treated by : topical hydrocortisone or tacrolimus along side oral antihistamine such as loratadine 10 mg once daily 
needed tests :
clinical examination by doctor and vaginal swab