This randomized, triple-blind clinical trial compares the effectiveness of Z-track and TPR (traction-pressure-release) techniques in reducing pain and medication leakage during ventrogluteal intramuscular injections. Pain is measured using VAS, and leakage is assessed with a millimeter scale. The study aims to identify a more efficient, less painful injection method.
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Pain with visual analog scale
Timeframe: Within 5 minutes after intramuscular injection