antihistamines — n. drug which counteracts histamine in the body (treatment for allergies) … English contemporary dictionary
H1 antagonist — An H1 antagonist is a histamine antagonist of the H1 receptor that serves to reduce or eliminate effects mediated by histamine, an endogenous chemical mediator released during allergic reactions. Agents where the main therapeutic effect is… … Wikipedia
antihistamine — /an ti his teuh meen , min/, n. Biochem., Pharm. any of certain compounds or medicines that neutralize or inhibit the effect of histamine in the body, used chiefly in the treatment of allergic disorders and colds. [1930 35; ANTI + HISTAMINE] * *… … Universalium
drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… … Universalium
Diphenhydramine — Systematic (IUPAC) name 2 (diphenylmethoxy) N,N dimethylethanamine Clinical data Trade names Benadryl … Wikipedia
Recreational drug use — is the use of a drug, usually psychoactive, with the intention of creating or enhancing recreational experience. Such use is controversial, however, often being considered to be also drug abuse, and it is often illegal. Also, it may overlap with… … Wikipedia
Clemastine — Systematic (IUPAC) name (2R) 2 {2 [(1R) 1 (4 chlorophenyl) 1 phenylethoxy]ethyl} 1 methylpyrrolidine Clinical data Trade names … Wikipedia
Urticaria — Hives redirects here. For other uses, see Hive (disambiguation). Urticaria Classification and external resources Urticaria on the arm ICD 10 L … Wikipedia
Hydroxyzine — Systematic (IUPAC) name (±) 2 (2 {4 [(4 chlorophenyl) phe … Wikipedia