Why Do I Have A Pricking Sensation And Slight Redness On My Clitoris Without Itching?

Hii doctor, From last night whenever I touch or give press to my clitoris it feels like a pricking sensation. there is no itching but the head of the clitoris is little bit red but I am not able to under is it serious?...and its been a year last I have had sex...and I am little bit nervous about that..please help me.... should I go to a doctor for the check up ?