Absorption
/əbˈsɔːrpʃən/
The process by which a drug proceeds from the site of administration into the blood circulation.
Adjuvant
/ˈædʒʊvənt/
A substance added to a drug to increase its effectiveness or immune response.
Adrenergic
/ˌædrəˈnɜːrdʒɪk/
Relating to nerve cells or fibers that use epinephrine or norepinephrine as a neurotransmitter.
Affinity
/əˈfɪnɪti/
The strength of the binding between a drug and its receptor.
Agonist
/ˈæɡənɪst/
A drug that binds to a receptor and activates it to produce a biological response.
Akathisia
/ˌækəˈθɪziə/
A state of agitation or restlessness, often a side effect of antipsychotic medications.
Alopecia
/ˌæləˈpiːʃə/
Partial or complete loss of hair, common in chemotherapy.
Analgesic
/ˌænəlˈdʒiːzɪk/
A class of drugs used to achieve relief from pain.
Anaphylaxis
/ˌænəfɪˈlæksɪs/
A severe, potentially life-threatening allergic reaction.
Androgen
/ˈændrədʒən/
A male sex hormone, such as testosterone.
Anesthetic
/ˌænəsˈθɛtɪk/
A drug that causes temporary loss of bodily sensation or consciousness.
Antagonist
/ænˈtæɡənɪst/
A drug that blocks or dampens a biological response by binding to a receptor.
Antiemetic
/ˌæntiiˈmɛtɪk/
A drug that is effective against vomiting and nausea.
Antipyretic
/ˌæntipaɪˈrɛtɪk/
A substance or drug used to prevent or reduce fever.
Anxiolytic
/ˌæŋziəˈlɪtɪk/
A medication used to reduce anxiety.
Aphagia
/əˈfeɪdʒiə/
The inability or refusal to swallow.
Arrhythmia
/əˈrɪðmiə/
A condition in which the heart beats with an irregular or abnormal rhythm.
Ascites
/əˈsaɪtiːz/
The accumulation of fluid in the peritoneal cavity, causing abdominal swelling.
Ataxia
/əˈtæksiə/
The loss of full control of bodily movements.
Atrophy
/ˈætrəfi/
The wasting away of a body organ or tissue.