Your symptoms are indicative of infection. You should get examined by a doctor clinically if you are careless and a sexually active person you will infect your partners. You should have blood test
done for VDRL
and Autralia antigen. Getting examined and undergoing test does not mean you have STD
but it is wiser to rule out the disease by getting properly investigated.
If at all you are diagnose dwith any such disease you will be lucky to get treated early and ahead of time. These diseases are highly contageous and at times when they get chronic and complicated they can get life-threatening.
It will be good if you perform abstinence till you get treated and are fine. Take care of your hygiene, get your clothes washed regularly. Make sure that your sexual partners are not carriers of such diseases to enjoy a disease free life. Take care.