Overview

• The administration said the FDA will initiate a safety‑label update for acetaminophen products and issue a clinician letter that urges minimizing routine use for low‑grade fevers during pregnancy.
• President Trump told pregnant women to avoid or strictly limit Tylenol unless medically necessary and also questioned current childhood vaccine practices, positions that diverge from major medical guidance.
• Officials highlighted leucovorin as a potential therapy for autism and described regulatory moves, while NIH leadership announced $50 million for an Autism Data Science Initiative.
• Tylenol maker Kenvue and leading medical groups disputed any proven causal link, citing mixed research and a 2024 Swedish sibling study that found no causal association after accounting for familial factors.
• Experts cautioned that untreated maternal fever can endanger pregnancies and noted acetaminophen remains the preferred over‑the‑counter option when clinically indicated.