CAN NOT MOVE THE RIGHT FINGURES; LOW BLOOD PRESSURE; STROKE; PASSED OUT IN TRUCK; CRAMPS ON HIS RIGHT ARM AND BOTH LEGS; COULD NOT BREATH; HEADACHE; FELT BAD; NOT FEELING GOOD; POTENTIAL MEDICATION ERROR (SHINGLE VACCINE AND PFIZER COVID-19 VACCINE ADMINISTERED AFTER JANSSEN COVID-19 VACCINE); This spontaneous report received from a patient concerned a 51 year old   male. The patient's height, and weight were not reported. The patient's concurrent conditions included hypertension. The patient received covid-19 vaccine ad26.cov2.s (suspension for injection, route of admin not reported, and batch number: 1805018 expiry: unknown) dose was not reported, frequency one total, administered on 03-MAR-2021 10:30 a.m. for prophylactic vaccination at right arm. Concomitant medications included bnt 162 for prophylactic vaccination, and varicella zoster vaccine for prophylactic vaccination.  On 24-MAY-2021, the patient had potential medication error of shingle vaccine (first shot) and on 5-AUG-2021, took  pfizer covid-19 vaccine on right arm, administered after Janssen covid-19 vaccine. On 05-AUG-2021, the patient experienced felt bad. The patient felt bad for 5 days and he did not go to work. He returned back to work either on 09-Aug-2021 or 10-Aug-2021 and he was not 100 percent good. The first day back to work he worked 10 hours. The second day (10-AUG-2021) back to work at 11:30 am-12:00 pm, he could not breath. He felt dizzy. So a coworker told him to go back to the truck then he passed out in the truck. He saw nothing in front of him. So the coworker took him to the doctor of the company. The doctor said that this was stroke. He felt dizzy, had cramps in his leg and arm and headache. Then the next day (11-AUG-2021) he saw his regular doctor and they measured the blood pressure and it was 82/61 mmHg. He stayed 10 days out of work then he went back to work and worked 4 days. Then he felt bad and dizzy again. He had headache. On 25-AUG-2021, They measured the blood pressure which was 82/62 mmHg. It was very low so they told him in the company not to come back till he feels better. He had an appointment next day of reporting with his regular doctor. He had blood work done at the day of reporting. He still had headache, low blood pressure, and cramps on his right arm and both legs. He could not move the right fingers. The case got worse when he went out to the sun.  The action taken with covid-19 vaccine ad26.cov2.s was not applicable. The patient was recovering from not feeling good, and felt bad, had not recovered from cannot move the right fingers, cramps on his right arm and both legs, low blood pressure, and headache, and the outcome of potential medication error (shingle vaccine and pfizer covid-19 vaccine administered after janssen covid-19 vaccine), stroke, could not breath, felt dizzy and passed out in truck was not reported. This report was serious (Other Medically Important Condition).; Sender's Comments: V0:20210853335-COVID-19 VACCINE AD26.COV2.S-Stroke, Passed out in truck, Low blood pressure. This event(s) is considered unassessable. The event(s) has a compatible/suggestive temporal relationship, is unlabeled, and has unknown scientific plausibility. There is no information on any other factors potentially associated with the event(s).