Anxiety is a state associated with feelings of dread accompanied by a physical response that can produce sensations such as sweating and heart palpitations.

A condition characterized by the absence of urine production or a urinary output of less than 100 mL per day.

Antiviral medications are drugs that are designed to limit the ability of viruses to cause illness in the body. Examples include zanamivir and oseltamivir which are designed to treat or prevent influe [..]

Antisocial activity is behaviours and attitudes which encourage negative social interactions

Antioxidants are found in certain compounds and neutralise free radicals. Free radicals are a product of oxygen metabolism, which causes changes to cell membranes, proteins, lipids and DNA. An overloa [..]

Antimicrobial resistance occurs when bacteria mutate to avoid the lethal effects of antibiotics which usually destroy them. It makes infections harder to treat because antibiotics do not work as effec [..]

Antimalarials are medications used to prevent malaria. They include chloroquine and proaguanil.

Antihelminthics are medicines used in the treatment of parasitic worms.

An antigen is any substance that the body regards as foreign or dangerous and against which it produces an antibody.

Antiepileptic drugs are also refered to as anticonvulsant drugs and are administered to prevent the occurrence of epileptic seizures.