CEREBRAL HEMORRHAGE IN HER HEAD/ DIZZINESS/ LOOSE HER BALANCE/ VOMITED/ HEADACHE; BLOOD PRESSURE WAS HIGH; FAINTING; TEMPORARY BLINDNESS; BROWN SPOTS ON FINGER; EYES ALSO HURT; EYE FEELS HEAVY; EYE PRESSURE FROM THE BACK; FATIGUE/ STILL FEEL TIRED; FEELS WEAK; NAUSEA; SHAKING BECAUSE SHE WAS COLD; CHILLS; This spontaneous report was received from a patient and concerned a 53 year old White (Hispanic or latino) female. The patient's weight, height, and medical history were not reported.  The patient received covid-19 vaccine ad26.cov2.s (suspension for injection, route of admin not reported, batch number: 202A21A, expiry: unknown) dose was not reported, administered on 10-APR-2021 to left deltoid for prophylactic vaccination. No concomitant medications were reported.  On 10-APR-2021, the patient experienced shaking because of cold, chills, nausea. On 11-APR-2021 patient felt nauseous. On an unknown date the patient had fatigue and headache. On 17-APR-2021, the subject experienced fainting. On 22-APR-2021 patient felt dizzy, vomiting, and was losing balance periodically and got admitted to emergency room; On admission the patient was diagnosed with high blood pressure and cerebral hemorrhage in head due to high blood pressure and patient kept in emergency room under observation. On 24-APR-2021 patient was discharged but still experienced headaches when she returned home. On 30-APR-2021 the patient again visited emergency room and was prescribed unspecified blood pressure medications and Tylenol (paracetamol). On an unknown date, the patient had brown spots appeared on left hand (on top of her middle) the spots covered about half of middle finger. The patient described the headaches as it felt like something was moving inside her head which started on the back of head and right side and moved slowly around which hurt a lot. She mentioned her eyes also hurt. On 05-MAY-2021 the patient visited hospital and reported that they cannot do anything to the headaches. On an unknown date the patient eyes are heavy feels like something is pushing her eye and had temporary blindness Patient was prescribed with butalbital-caffeine with Tylenol for headache; that headache subsides away for 4 hours and comes back. On an unknown date the patient feels tired up and weak. Treatment medications (dates unspecified) included: butalbital/caffeine/paracetamol, and paracetamol. The patient recovered from fainting, and vomited, was recovering from shaking because she was cold, had not recovered from chills, fatigue, headache, brown spots on finger, eye feels heavy, eye pressure from the back, and temporary blindness, and the outcome of nausea, dizziness, blood pressure was high, cerebral hemorrhage in her head, eyes also hurt, loose her balance, still feels tired and feels weak was not reported. This report was serious (Hospitalization Caused / Prolonged, and Other Medically Important Condition).; Sender's Comments: V0: 20210514047- covid-19 vaccine ad26.cov2.s-Cerebral heamorrhage, High blood pressure, Fainting, Temporary blindness. These events are considered unassessable. The events 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 events.