Acaracides - agents used to kill the mites that cause the skin disease scabies.

Adjuvant therapy - a therapy with the use of an additive, a supportive medicine with a weaker action.

Analgesic - a medicine used to relieve i.e. alleviate pain.

Anticoagulation drugs - drugs that prevent, stop the coagulation of the blood.

Antidepressants - drugs used to treat depression.

Antidiarrheal - drugs used to stop diarrhea.

Antihidrotic/Anhidrotic - substances against sweating; substances that decelerate sweating.

Anti-inflammatory - agents that stop or relieve inflammations (sin. Antiphlogistic)

Antimicrobic agents - all agents that in any way destroy microorganisms or prevent their development.

Antimycotic - agents that are used against diseases caused by fungi (sin. Antifungicide).

Antiphlogistic - agents that stop or relieve inflammations (sin. Anti-inflammatory)

Antipruritic - substances that relieve itching.

Antipyretic - medicines that lower high body temperature.

Antiseborrheic - substances that relieve, prevent excessive secretion of sebum from the sebaceous glands of the skin.

Antiseptic - substances that prevent growth of microorganisms by inhibiting their activities without necessarily decomposing them. Usually they are used to destroy various microorganisms found in various production areas, surgeries, equipments etc.

Antitussive - substances that prevent coughing.

Antiulcerotic - substances that prevent ulcers.

Anxyolitic - tranquilizers used to relieve anxiety or fear that occur as a result of an intra-psychic conflict.

Arthralgia - pain in the joint.

Astringents - drugs that cause contractions, tightening of the surface of the tissues, due to sedimentation of proteins.

Atherosclerosis - a disease that is manifested by thickening of the arterial walls and decreasing of their elasticity and mostly affects large and middle arteries by creating athermanous plates inside the arteries that cause production of local thrombi.

Atrophy - degeneration, weakness, malnutrition.