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What is The presence of a drug on left side in the Log DRC tells about its and explain in detail?
Dose Response Curve (DRC) - Hyperbola shape Log Dose Response Curve ( log DRC )- Sigmoid shape Three impoant Parameters a) Potency- Potency tells which drug produces more effect on lower dose. Left side graph is of more potent drug as compared to right side graph b) Efficacy- Efficacy tells maximum effect of a drug. It is seen from height of DRC. c) Slope- Slope tells the safety of the drug as more is the slope less is the safety. Quantal DRC - It tells about effect of drug in population Therapeutic index (TI) of a drug = LD50 / ED50 - TI is index of measure of safety.