Acetaminophen (Tylenol/paracetamol) is the pain and fever reliever most recommended in pregnancy. ACOG, the NHS, the FDA, and the CDC all identify it as the first-line, preferred option when used as directed. Take the lowest effective dose for the shortest time needed, and check with your provider if you're using it often or for a long stretch.
Tylenol is a brand name for acetaminophen, known as paracetamol in the UK. It treats pain and lowers fever. Unlike ibuprofen and other NSAIDs, which the FDA advises avoiding from around 20 weeks of pregnancy, acetaminophen has long been the go-to option that ACOG and the NHS point pregnant people toward first.
ACOG and the NHS still consider acetaminophen an appropriate choice in pregnancy when a clear need exists, such as fever or significant pain, since untreated high fever carries its own risks. However, some studies have raised questions about possible links between frequent, prolonged use and child neurodevelopment. ACOG notes the evidence is not strong enough to change practice but supports using the smallest amount for the shortest time, which is why this sits at caution rather than fully clear.
Follow the dosing on the label and do not exceed the daily maximum, since too much acetaminophen can harm the liver. Check other products you take, as many cold, flu, and combination medicines already contain acetaminophen, which makes accidental double-dosing easy. If you are using it often or for more than a day or two, talk to your provider before continuing rather than reaching for NSAIDs, which the FDA advises against in later pregnancy.