This is a spontaneous report from a contactable consumer or other non-health care professional (Patient wife reported for her husband). A 63-years-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection, Lot number: EP6955), via an unspecified route of administration, administered in Arm Left on 12Mar2021 (at the age of 63-years-old) as dose 1, single for COVID-19 immunisation. Medical history included uncontrolled diabetic from 2002 and ongoing, ongoing bilevel positive airway pressure, ongoing heart problems, ongoing neuropathy- stated that this comes along with being diabetic, She adds that this is pertaining to his diabetes and he was diagnosed somewhere around 2000. She added that it does not get bad, but it got bad in 2019 or 2020 and he has been diagnosed for a while., ongoing overweight and ongoing obese- reported that patient obesity came after he was given steroids which blew him up to 700 pounds but now he is around 350 pounds, he was diagnosed quite a while ago with obesity, chronic obstructive pulmonary disease, Continuous positive airway pressure (CPAP- She states that he was first on CPAP), ongoing inhalation therapy- uses an inhaler. Concomitant medication included insulin human (HUMULIN R), dapagliflozin propanediol monohydrate (FARXIGA), morphine (MORPHINE). About Concomitant medications patient wife reported that her husband has heart problems and was taking a pill for this but does not know what pill. He also has an inhaler for COPD and sleeps with a BiPAP. She added that her husband was diabetic, so he takes Insulin Humulin R U-500, and he was an uncontrolled diabetic. She added this was pure straight insulin, he does not take half, it was pure insulin. she cannot think of all of the stuff her husband takes. She added that her husband does take Farxiga 10 mg tablet daily and that he takes something for nerve damage called gaba something. These are the main things that her husband was taking and are for him being a diabetic. She stated that he takes too many pills. She added that he also takes morphine 100 mg, that her husband has every medical condition that could kill him. She added there are too many to name. She stated that he was first on CPAP in early 2000, but it may have been around 2012 or 2013 and she was not sure. She stated he also has a heart rhythm that she cannot think of what it was. Her husband has heart problems and for a minute or, so they were going to put a defibrillator in him and that was about 2019 but instead they gave him pills which he was taking now. She was unsure what they are. His heartbeat was being around 30 instead of 35, or maybe it is percent, caller does not know. She added that they brought giving him medications for this and that his heart is irregular and low heartbeat. There was a different doctor that he goes to that was a heart specialist. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. On 13Mar2021 patient had headaches, and mucus in his nose. She was scared of her husband getting Covid-19 because he takes so much medication. The card states Pfizer. She does not have additional details regarding her husband's vaccine. Reported that her husband had really bad headaches. The headaches are now gone. Her husband coughs a lot and he was coughing up a lot of phlegm. In the morning her husband said that he got what she got, and he was worse than her. Her husband was dizzy and She does not think that her husband was still dizzy. she actually thinks that her husband was still coughing with phlegm. Her husband was lightheaded. She does not think that her husband is still lightheaded, but she hopes she was telling the truth because her husband has not said it to her. She knows her husband was blowing his nose because she can see napkins. Her husband's doctor called in, but they did not call the doctor until they thought this was going to run its course. She ended up calling her husband's doctor and got a prescription. Wednesday, they got to the doctor and called in a prescription for Azithromycin tablets, 250 mg tablets. Caller adds that this is for husband to take 2 on the first day, and then one on the other days. Her husband doctor called in but they did not call the doctor until they thought this was going to run its course. The outcome of the events was unknown.