his penis does not grow to normal erection size; his penis was 5.5-6 inches before the booster dose of the Pfizer Covid-19 vaccine but it is now only 5".; tingling down in his penis; weird muscle ache in his penis; soft spot on the right side of his penis; his penis is almost bruised; has been getting weird sensations even since he took the booster; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 30 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 20Dec2021 (Lot number: FJ8757) at the age of 30 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "soft testicles due to masturbation" (unspecified if ongoing), notes: soft testicles due to masturbation before the Pfizer Covid-19 vaccine booster dose. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose:1, LOT: ER8731, NDC, EXP: Unknown, Route, Anatomical Location: right arm), administration date: 29Mar2021, when the patient was 30 years old, for COVID-19 immunization; Bnt162b2 (Dose:2, LOT: ER8735, NDC, EXP: Unknown, Route, Anatomical Location: right arm), administration date: 21Apr2021, when the patient was 30 years old, for COVID-19 immunization. The following information was reported: ERECTILE DYSFUNCTION (medically significant), outcome "unknown", described as "his penis does not grow to normal erection size"; PENILE SIZE REDUCED (non-serious), outcome "unknown", described as "his penis was 5.5-6 inches before the booster dose of the Pfizer Covid-19 vaccine but it is now only 5"."; GENITAL PARAESTHESIA (non-serious), outcome "unknown", described as "tingling down in his penis"; PENILE PAIN (non-serious), outcome "unknown", described as "weird muscle ache in his penis"; SOFT TISSUE DISORDER (non-serious), outcome "unknown", described as "soft spot on the right side of his penis"; PENILE CONTUSION (non-serious), outcome "unknown", described as "his penis is almost bruised"; FEELING ABNORMAL (non-serious), outcome "unknown", described as "has been getting weird sensations even since he took the booster".  Clinical course: The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. AE(s) following prior vaccinations was none. Family Medical History Relevant was none. Relevant Tests was none. He was completely healthy. Vaccination facility type: Pharmacy/Drug Store. Caller reported that he has received both doses of the Pfizer Covid-19 vaccine as well as the booster dose.  Caller reported that after the booster dose of the Pfizer Covid-19 vaccine that he felt a tingling down in his penis, weird muscle ache in his penis, soft spot on the right side of his penis, that his penis was almost bruised but not, that he had a continuing "tinge" on the side of his penis, and that his penis was 5.5-6 inches before the booster dose of the Pfizer Covid-19 vaccine but it is now only 5".  Caller stated that the booster dose of the Pfizer Covid-19 vaccine has done him an injustice.  Caller also reported that he has not had sexual relations with another person in 2 years due to setting them aside and only masturbates.  Caller also reported that he was not impotent and can produce sperm.  Caller also reported that he had soft testicles but has had complaints of soft testicles due to masturbation before the Pfizer Covid-19 vaccine booster dose. Patient did not go Emergency Room or Physician Office due to events.  No follow-up attempts are possible. No further information is expected.