No you need not take anything before vaccination. In case after vaccination you feel pain or body ache you can take any Paracetamol 650mg tablet like Crocin 650, Calpol 650, Dolo 650 etc. Crocin 650 is definitely a good Option because it releases paracetamol faster in blood which will give fast relief
Fever from yesterday means about 24 hours. Have patience and faith in your physician. The medicines you informed are right and the results take a little time to show. Do not panic and keep in touch of your doctor if symptoms aggravate or something new creeps in.