Rebound effect
/ˈriːbaʊnd ɪˈfɛkt/
Symptom re-emergence after stopping drug.
Receptor
/rɪˈsɛptər/
Protein receiving chemical signals.
Redistribution
/ˌriːdɪstrɪˈbjuːʃən/
Drug movement from site of action to other tissues.
Renal
/ˈriːnəl/
Relating to the kidneys.
Renin
/ˈriːnɪn/
Kidney enzyme for blood pressure.
Resistance
/rɪˈzɪstəns/
Pathogen's ability to withstand drug.
Resorption
/riːˈsɔːrpʃən/
Substance absorbed into circulation.
Respiratory depression
/ˈrɛspərətɔːri dɪˈprɛʃən/
Slow and ineffective breathing.
Retinopathy
/ˌrɛtɪˈnɒpəθi/
Disease of the retina.
Rhabdomyolysis
/ˌræbdoʊmaɪˈɒlɪsɪs/
Breakdown of muscle tissue.
Route of administration
/ruːt əv ædˌmɪnɪˈstreɪʃən/
Path by which a drug enters the body.