patient ended up having a little bit of a rash on his stomach; patient's testicles are so red, and that the patient's testicles are inflamed.; This is a spontaneous report from a contactable consumer or other non hcp. A 71-year-old male patient received bnt162b2 (BNT162B2, solution for injection, Lot Number: EM9810), via an unspecified route of administration, administered in Arm Left on 08Mar2021 09:45 (at the age of 71-year-old) as dose 1, single for COVID-19 immunisation. Medical history included patient has had ongoing arthritis for years. Caller reported that she just thought the patient was not a rash person. Caller reported that the patient has experienced skin issues here and there all his life, but that the rash and red, inflamed testicles are unusual. Concomitant medication(s) included Meloxicam on and off for about a month when he has issues with arthritis in his hands. Additional Information for Concomitant Products Unspecified supplements: Caller reported that the patient takes supplements but stated that they were unrelated to the AEs he experienced. The patient experienced rash and inflammation. Caller reported that she was happy to say that she and her husband got their first dose of the Covid-19 vaccine on 08Mar2021 and the second dose of the Covid-19 vaccine on 29Mar2021. Caller reported that she is calling for husband, the patient, stating that they always say if there's anything weird that might have happened to call and report it. Caller reported that the patient is seeing a dermatologist after the patient ended up having a little bit of a rash on his stomach. Caller reported that the patient thinks the rash kind of started before the first dose of the Covid-19 vaccine but is not 100 percent sure. Caller reported that the patient's testicles are so red, and that the patient's testicles are inflamed. Caller reported that the patient's dermatologist took a punch biopsy of the rash on the patient's stomach and testicles. Caller reported that she was unsure if the rash and the red, inflamed testicles were something that Pfizer needs to know as it might be coincidental. Caller reported that she didn't know if the rash and the red, inflamed testicles were a concern but stated that everyone was telling the caller and patient to call Pfizer to report. Caller reported that she just had the normal side effects following the Covid-19 vaccine. Caller reported that she had a little headache and an achy arm. Caller reported that she experienced just what she expected following the Covid-19 vaccine, that she was just tired. Caller reported that the testicle thing is the patient's concern more than the rash. Rash: Caller reported that the patient thinks the rash started before the first dose of the Covid-19 vaccine on 08Mar2021. Caller reported that she thought that the rash developed after the first dose of the Covid-19 vaccine on 08Mar2021. Caller reported that the rash comes and goes. Caller reported that she can see that the rash is raised a little bit, and then the rash will get red. Caller reported that the patient is dealing with his dermatologist and doesn't want to jump the gun. Caller reported that the rash has stayed the same and that the rash is not any worse. Caller reported that she believes the rash is getting better. Testicles: Caller reported that the patient's testicles became red and inflamed after the first dose of the Covid-19 vaccine on 08Mar2021, towards the end, just before the second dose of the vaccine on 29Mar2021. Caller reported the redness and inflammation of the patient's testicles comes and goes. Caller reported that the patient's testicles will be fine one day and the next day it's like whoa. Caller reported that the patient is concerned about his red and inflamed testicles because he has never experienced any of this stuff before. Investigations: Skin punch biopsy results from the patient's testicles and the rash on the patient's stomach are not in yet. Caller reported that the dermatologist's office stated yesterday, 05Apr2021, that it would take a week to two weeks before results are known.  No follow-up attempts are needed. No further information is expected.