Regarding Rabies emergency help please.

Sir/Ma'am   I am a buther and, I got in contact with goat bitten by dog by my mouth on 2 May 7A.M. I've gone to hospital evening so doctor told me to take rabies injection for assurance and security but at that time hospital pharmacy was closed he told me to come tommorow morning. I got there at 10AM 3 May(today) the pharmacy was still closed because of eid he told me to wait you can take rabies within 72 hours or one week nothing will happen but outside hospital i m getting rabies vaccine now for 350 rs and in hospital its free. i dont know i what i should do should i take vaccine now or wait for 4 May 9PM is it safe to wait i am having right abdominal pain cuz of streching my stomach much on bike