crazy/bad/ suicidal thoughts; neck was throbbing/aches and pains; diarrhea; chest pain; abdominal pain; flu like symptoms; Felt an electric shock hit me; i fell on the ground and i was confused; i fell on the ground and i was confused; felt an unbelievable thirst; 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 32 year-old male patient received bnt162b2 (BNT162B2), administration date 20Jan2022 (Batch/Lot number: unknown) as dose 3 (booster), single for covid-19 immunisation. The patient's relevant medical history was not reported. Concomitant medication(s) included: ABILIFY; CLONAZEPAM; KLONOPIN; ZOLOFT; FENOFIBRATE taken for blood cholesterol; CLARITIN ALLERGIC taken for hypersensitivity; PANTOPRAZOLE; NASAL SPRAY II. Vaccination history included: Bnt162b2 (Dose:01), administration date: Jul2021, for COVID-19 immunization, reaction(s): "the side effects were bad"; Bnt162b2 (Dose:02), administration date: Jul2021, for COVID-19 immunization, reaction(s): "the side effects were bad", but stated that it was nothing compared to what he experienced with the booster dose. The side effects with the primary series were one thing after another but the side effects went away after days. The following information was reported: SUICIDAL IDEATION (medically significant) with onset Jan2022, outcome "unknown", described as "crazy/bad/ suicidal thoughts"; PAIN (non-serious) with onset Jan2022, outcome "unknown", described as "neck was throbbing/aches and pains"; DIARRHOEA (non-serious) with onset Jan2022, outcome "unknown", described as "diarrhea"; CHEST PAIN (non-serious) with onset Jan2022, outcome "unknown", described as "chest pain"; ABDOMINAL PAIN (non-serious) with onset Jan2022, outcome "unknown", described as "abdominal pain"; INFLUENZA LIKE ILLNESS (non-serious) with onset Jan2022, outcome "unknown", described as "flu like symptoms"; ELECTRIC SHOCK SENSATION (non-serious) with onset Jan2022, outcome "unknown", described as "Felt an electric shock hit me"; FALL (non-serious), CONFUSIONAL STATE (non-serious) all with onset Jan2022, outcome "unknown" and all described as "i fell on the ground and i was confused"; THIRST (non-serious) with onset Jan2022, outcome "unknown", described as "felt an unbelievable thirst". Clinical course: Near 5 O'clock (unspecified date) left side of his neck was throbbing, terrible diarrhea, crazy/bad/ suicidal thoughts, chest pain on left side of the heart, abdominal pain. The following day he had flu like symptoms just aches and pains but that went away. On Saturday (unspecified date), felt an unbelievable thirst, felt an electric shock hit him and he felt on the ground and he was confused, for 5-10 seconds he didn't know where he was and what happened to him. Ever since that he didn't have any other side effects. The events "crazy/bad/ suicidal thoughts", "neck was throbbing/aches and pains", "diarrhea", "chest pain", "abdominal pain", "flu like symptoms", "felt an electric shock hit me", "i fell on the ground and i was confused", "i fell on the ground and i was confused" and "felt an unbelievable thirst" were evaluated at the physician office visit. The patient stated that he has spoke to his HCP and on 30Mar2022 he has an appointment with his Psychiatric.  The lot number for bnt162b2 was not provided and will be requested during follow up.