Talk to General Physician on Corona Vaccine For Arthiritis Patient

Asalam o alaikum doctor. My father is arthiritis patient he is taking medicine ( tramal, voltrol, nebrol fort, vitamin d supplement amd using biofreeze gel on knee) my question is if it's safe for him to get vaccinated? Because some people are saying it's not safe for arthiritis patient to get vaccinated and some are saying its safe. Please guide me doctor? Is there any side effect for arthiritis patient? We are so confuse please guide me doctor. JazakAllah kher.