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Tachycardia

tak-ih-KAR-dee-uh

/ˌtækɪˈkɑːrdiə/

Abnormally rapid heart rate.

Tachyphylaxis

tak-ih-fuh-LAK-sis

/ˌtækɪfɪˈlæksɪs/

Rapid decrease in drug response.

Teratogen

tuh-RAT-uh-jen

/təˈrætədʒən/

Factor causing embryo malformation.

Therapeutic index

ther-uh-PYOO-tik IN-deks

/ˌθɛrəˈpjuːtɪk ˈɪndɛks/

Meds safety/efficacy ratio.

Therapeutic window

ther-uh-PYOO-tik WIN-doh

/ˌθɛrəˈpjuːtɪk ˈwɪndoʊ/

Range of safe effective dosage.

Thrombolytic

throm-boh-LIT-ik

/ˌθrɒmboʊˈlɪtɪk/

Drug used to dissolve blood clots.

Tinnitus

TIN-ih-tus

/ˈtɪnɪtəs/

Ringing or buzzing in the ears.

Tolerance

TOL-ur-unts

/ˈtɒlərəns/

Diminished drug response over time.

Topical

TOP-ih-kul

/ˈtɒpɪkəl/

Meds applied directly to body part.

Toxicity

tok-SIS-ih-tee

/tɒkˈsɪsɪti/

Degree substance can damage organism.

Toxicology

tok-sih-KOL-uh-jee

/ˌtɒksɪˈkɒlədʒi/

Science of nature/effects of poisons.

Transdermal

trans-DUR-mul

/trænzˈdɜːrməl/

Meds application through the skin patch.

Trough concentration

TRAWF kon-sen-TRAY-shun

/trɒf ˌkɒnsənˈtreɪʃən/

Lowest drug level before next dose.