Pain relief for kidney stones at home after ER
Part of Pain clinical trials.
This study tests whether combining paracetamol with either tramadol or caffeine works better than a placebo for pain from kidney stones when you leave the emergency room. It aims to find a simple, effective pain reliever to take home.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be 18 years or older.
- You have sudden side or lower back pain that started quickly, and tests (like urine dipstick or imaging) show it's a kidney stone (renal colic).
- Your pain level at the time you leave the emergency department is less than 30 on a scale from 0 to 100.
- You are not pregnant or breastfeeding.
- Your kidneys work well enough (creatinine clearance at least 60 ml/min).
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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