Allergic to Penicillin? Why It Matters Before Surgery

Penicillin allergy on your surgical chart? Be ready for one more question: "What actually happened when you took it?" I'm an anesthesia resident, and this is ShavraMD. In this video we add one useful step to your pre-op checklist: checking your allergy history. Bring these four details to your pre-op appointment: 1. The medicine, and roughly when you took it 2. The symptoms, and how soon they started 3. How serious it was, and the treatment you needed 4. Antibiotics you've taken since, and whether you reacted If you don't know a detail, say so. You don't have to invent anything. Chapters 0:00 "What actually happened?" 0:25 Today's step: your allergy history 0:54 A label isn't always a confirmed allergy 1:33 Before your appointment: collect four details 2:01 1. The medicine, and when 2:34 2. Symptoms and timing 3:30 3. How serious it was, and the treatment 4:08 4. Antibiotics you've taken since 4:36 Why it matters before surgery 5:05 Cefazolin, explained 5:42 If the story is still unclear 6:15 What not to do 6:34 Your four-detail checklist Sources (checked 11 October 2026) • AAAAI/ACAAI Drug Allergy Practice Parameter (2022): https://www.aaaai.org/Aaaai/media/Med... • AAAAI Penicillin Allergy Position Statement (2023): https://education.aaaai.org/sites/def... • CDC, Clinical Features of Penicillin Allergy (updated 2025): https://www.cdc.gov/antibiotic-use/hc... • PALACE randomized clinical trial, JAMA Internal Medicine (2023): https://jamanetwork.com/journals/jama... • Blumenthal et al., surgical cohort (2018): https://pubmed.ncbi.nlm.nih.gov/29361... 🔔 Subscribe for clear explanations before anesthesia:    / @shavramd   🌐 https://www.shavramd.com General information for adults preparing for planned surgery, not medical advice. Don't test yourself with leftover antibiotics or remove an allergy from your record on your own. Your surgical and anesthesia teams make the decisions for your care. Watching this video does not create a doctor–patient relationship. #penicillinallergy #surgery #anesthesia