Had a very strong erection through night most of the morning; Very horrible side effects; very unusual side effects, Was pretty crippling; Lost my voice; Left groin is terribly painful; I go urinate and it would come back; was very really weird; Groin is so tender; Leg is uncomfortable; couldn't walk/Balance was off; I was on the floor; couldn't even make me anything to eat; Lethargic; I pee pretty frequently; Head, the base of head is very uncomfortable; Had sweats last night really strong; Couldn't sleep; Left buttock and all the way down to my toes was extremely painful; Body aches and chills; Glands swollen; Headache; Sick most of the day; This is a spontaneous report from a contactable consumer. A 49-years-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection), via an unspecified route of administration on 19Feb2021 15:00 (Batch/Lot number was not reported) at singe dose for covid-19 immunisation. Medical history included genital herpes, TBI (Traumatic brain injury), chronic laryngitis, low blood pressure, seasonal allergy, appendix taken out, sinus surgeries, no sense of smell, tonsils removed, allergy. It was reported that he got her vaccine (unspecified Vaccine) Friday afternoon at 3 o'clock pm mountain standard time. He was fine on Friday and Saturday, he was horrible, very horrible side effects, that's why he thought he need to call, very unusual side effects he had typical, he was really struggling to talk today. On on 19Feb2021 23:00 he lost my voice, my glands were swollen, body aches he experienced. He got my shot in my left arm, my left buttock and all the way down, all the way to my toes was extremely painful and it cuts through my groin area. My left groin which is terribly painful. patient left buttock, all the way down to the toes extremely painful and that continued into my groin. And he had erection, he had a very strong erection through night, most of the morning. He go urinate and it would come back that was very really weird. That was when he knew it was really weird. And he knew that Pfizer was the one that makes Viagra. And my groin is so tender. When he pee, he pee pretty frequently. He think that was the most unusual side effects. His head, the base of my head was very uncomfortable. He had sweats last night really strong. Today, he woke up, he could not sleep, he went to the bed early. He had no energy today, he was doing a lot (not clarified over the call). He do have a headache today and obviously my voice hasn't come back completely and my leg is uncomfortable, he couldn't walk he was like if he was drunk yesterday, he couldn't, my balance was off. He was on the floor. He couldn't even make me anything to eat. It was pretty crippling that it made me feel like. He was very lethargic and he was sick most of the day. he was just hoping to give you information. He waited for long time on the phone to share experience. I hope this information helps you, I mean the other people if having the same problems or maybe not. Consumer also stated, he cannot locate the card that was given to me. He could not locate today. He was doing my laundry today maybe it is in my pocket. he dig into my pocket, he guess could not find it. They gave me card but he was not sure if he had it. Date when started experiencing the events: Consumer stated, I would say the date of the vaccine 19Feb2021. It probably towards the evening, I would say late at about 11 o'clock. Still experiencing Consumer stated, I am experiencing mild headache. I am experiencing dull pain at the base of my neck. I am experiencing the tenderness in my left groin. I am experiencing a little pain when I pee. I am experiencing a little bit of body aches, chills. I haven't fully gotten my voice back. I feel so sick. The erection has subsided but my penis is painful, it is uncomfortable. For treatment Consumer stated he did today he took this afternoon about maybe 3 pm, he took 4 Ibuprofen. Outcome of the event had a very strong erection through night most of the morning was recovering, outcome of the events lost my voice, left groin is terribly painful, groin is so tender, left buttock and all the way down to my toes was extremely painful, body aches and chills, headache not recovered. Outcome of the other events unknown.  Information about lot/batch number has been requested.