Adverse events
It is very uncertain whether paracetamol changes adverse events compared with placebo (very low certainty).
1 finding from 1 review
Any adverse events Up to 12 weeks' · Patients with acute low‐back pain
Paracetamol showed no clear difference in any adverse events Up to 12 weeks' compared with placebo (high certainty).
1 finding from 1 review
Serious adverse events Up to 12 weeks' · Patients with acute low‐back pain
Paracetamol showed no clear difference in serious adverse events Up to 12 weeks' compared with placebo (moderate certainty).
1 finding from 1 review
Withdrawals due to adverse events · Patients with osteoarthritis of the knee or hip
Paracetamol showed no clear difference in withdrawals due to adverse events 24 weeks compared with placebo (moderate certainty).
1 finding from 1 review
Total adverse events: number experiencing 24 weeks · Patients with osteoarthritis of the knee or hip
Paracetamol showed no clear difference in total adverse events: number experiencing 24 weeks compared with placebo (high certainty).
1 finding from 1 review
Serious adverse events: number experiencing 24 weeks · Patients with osteoarthritis of the knee or hip
Paracetamol showed no clear difference in serious adverse events: number experiencing 24 weeks compared with placebo (moderate certainty).
1 finding from 1 review
Neonatal adverse events · women who have given birth vaginally, requiring analgesia for after‐birth pains.
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Neonatal adverse events · women who have given birth vaginally, requiring analgesia for after‐birth pains.
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Maternal adverse events · women who have given birth vaginally, requiring analgesia for after‐birth pains.
It is very uncertain whether paracetamol changes maternal adverse events (up to 4 hours and at 6 hours) compared with placebo (very low certainty).
1 finding from 1 review
Maternal adverse events · women who have given birth vaginally, requiring analgesia for after‐birth pains.
It is very uncertain whether paracetamol changes maternal adverse events (up to 4 hours and at 6 hours) compared with NSAID (very low certainty).
1 finding from 1 review
Serious adverse events · adults with episodic tension‐type headache
1 finding from 1 review
no estimate extracted
Studies not reported
Moderate
Adverse events · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline moderate to severe…
1 finding from 1 review
The majority of adverse events were minor in nature and usually included nausea, vomiting, headaches and dizziness. Side effect profiles have not been included in a meta-analysis as multiple adverse events were…
2 studies
GRADE not reported
Serious adverse events · adults with episodic tension‐type headache
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Adverse events · Children and adolescents having dental treatment under local anaesthetic (restorative and extraction treatments)
1 finding from 1 review
Serious adverse events · adults with chronic neuropathic pain
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Adverse events · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
The review found no eligible studies for this question.
1 finding from 1 review
Patients with one or more adverse events · Patients requiring surgical removal of a lower wisdom tooth or teeth, with baseline moderate to severe pain (surgery under local…
Paracetamol (single oral dose, any dose or formulation; subgroups up… showed no clear difference in patients with one or more adverse events compared with placebo; GRADE not reported.
1 finding from 1 review