Tramadol vs paracetamol
It is very uncertain whether tramadol alone changes number of participants who withdrew due to adverse events compared with acetaminophen (very low certainty).
- RR 5 [0.27, 92.62]1 study · 20 participantsVery low
It is very uncertain whether tramadol alone changes number of participants who withdrew due to adverse events compared with acetaminophen (very low certainty).
Tramadol alone may leads to higher number of participants who withdrew due to adverse events compared with NSAIDs (low certainty).
Tramadol alone may leads to higher number of participants who withdrew due to adverse events compared with other opioids (low certainty).
Tramadol alone probably leads to higher number of participants who withdrew due to adverse events compared with placebo (moderate certainty).
Tramadol in combination with acetaminophen may leads to higher number of participants who withdrew due to adverse events compared with placebo (low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.