Search and filter adverse-event reports.
1,929,324 reports(815 ms)
flu-like symptoms; feeling icky; sore arm; bad headaches; period was horribly heavy; period was "horribly heavy" and arrived about 2 weeks earlier than normal after receiving the dose of NUVAXOVID; Initial information received on 10-Nov-2025 regarding an unsol…
Hives returned much, much worse; Rash that got progressively worse; This spontaneous case, initially received on 04-Nov-2025, was reported by a non health professional and concerns an adult female patient. Medical history was reported as unknown and no concom…
Hives at arm and waist; Hives at arm and waist; This spontaneous case, initially received on 03-Nov-2025, was reported by a non health professional (patient) and concerns an elderly female patient. Drug history included Penicillin (Reaction: Hives). Administ…
The patient involved in the administration did not experience any adverse side effects or issues; Inadvertent administration of an expired dose of VARIVAX; This spontaneous report was received from other health professional and refers to a 20-month-old female…
Patient experienced migraine within 20-30 minutes; This non-serious case was reported by a physician via sales rep and described the occurrence of migraine in a patient who received Men B NVS (Bexsero) for prophylaxis. On an unknown date, the patient receive…
Reported Symptoms: 10028322:MUSCLE PAIN; Narrative: Per chart notes, patient declined the 2025 COVID vaccine and reported since his last COVID vaccine (2024) he had experienced chronic right shoulder pain, in the same place that he had last received the vaccin…
Syncope that lead to ER visit.
Rash, Red at site, itching all over body. Still having swelling to area 2.75 inch area on Left Arm.
After vaccinations and subsequent Covid infection which was treated with Paxlovid. I got rebound symptoms. Subsequent intracranial hypotension was diagnosed in 2023. Symptoms began in November. I was diagnosed with Inctracranial Hypotension with multiple dural…
Thrombocytosis - Platelets went up to 753
Thu-11/13/25 (~9pm): small, pink, and itchy rash; approximately 2 inches below injection site; 2 days post inoculation Fri-11/14/25: rash brighter pink, still itchy; took Benadryl (1 capsule) at bedtime…
On Monday 11/10/2025, patient received the flu shot. She reported that a few hours later she felt heaviness in her legs, slight pain/ache that didn't go away until she took tylenol the next day. Then she noticed the arm she received the flu shot still is sore,…
Fever. Shakes. Muscle Aches. Stomach Ache. Lasted 18 hours.
muscle weakness in upper arm and soreness continuing for 1 month
subjective fever, chills, body pain, swelling to left arm and bruising noted. warmth to L arm and redness- pt scheduled for an appt with PCP and advised of urgent care clinics she could go to.
On Day 0, Client immediately felt radiating heat throughout her body and immediate weakness and dizziness. She laid on vaccine chair with feet up. Fluids and a snack was provided. After 20 mins, client states that initial reaction has subsided and fully recove…
Not an adverse event, but pt had received an RSV vaccine (Arexvy) back in 2023
The patient had diarrhea for up to a week with 15 episodes daily. Not hospitalized.
Fever of 104 and a rash diffusely on 11/14/2025. Fever resolved by 11/15/2025. treated topically with calamine lotion
Large red, swollen area noted by patient 2 days after administration of injection. She presented to an urgent care and was treated for cellulitis for a probable cellulitis infection. Given cephalexin 500 mg 4 times daily for 7 days. Symptoms are resolvi…