Category: C

  • Chlorocresol

    An antiseptic derived from phenol, used as a general disinfectant and, at low concentrations, as a preservative in injections, creams, and lotions and also in eye drops. Strong solutions applied to the skin may cause sensitivity reactions.  

  • Chlormezanone

    A tranquilizing drug used in the treatment of mild anxiety and tension, including premenstrual tension. It is also used to relieve pain and muscle spasm. Chlormezanone is administered by mouth; the most common side-effects are drowsiness and dizziness.  

  • Chlormadinone

    A synthetic sex hormone that was formerly used in oral contraceptives as a sequential and progestogen-only pill. Chlormadinone produces variations in the length of the menstrual cycle and abnormal bleeding; nausea, vomiting, and weight gain may also occur.  

  • Chlorhexadol

    A sedative and hypnotic drug with uses similar to those of chloral hydrate.  

  • Chlordantoin

    An antifungal drug, used mainly for the treatment of fungus infections (candidiasis) of the vagina. It is applied in the form of a cream or pessaries, and local skin reactions occasionally occur.  

  • Chlorcyclizine

    An antihistamine drug that is slow-acting but produces long-lasting effects. Given by mouth, it is used mainly to relieve the symptoms of allergic reactions and to prevent motion sickness. Principal side-effects are drowsiness, dizziness, and dryness of the mouth and throat.  

  • Chlorbutol

    An antibacterial and antifungal agent used as a preservative in injection solutions, in eye and nose drops, in powder form for topical use in irritational skin conditions, and occasionally by mouth as a mild sedative in motion sickness. A sedative and pain reliever that was previously commonly employed to alleviate nausea and vomiting.  

  • Chloracne

    An occupational acnelike skin disorder that occurs after regular contact with chlorinated hydrocarbons. These chemicals are derived from oil and tar products; cutting oils used in engineering also cause the disease. The skin develops blackheads, papules, and pustules, mainly on hairy parts (such as the forearm). Warts and skin cancer may develop after many years…

  • Chikungunya fever

    A disease, occurring in Africa and Asia, caused by an arbovirus and transmitted to man by mosquitoes of the genus Aedes. The disease is similar to dengue and symptoms include fever, headache, generalized body pain, and an irritating rash. The patient is given drugs to relieve the pain and reduce the fever.  

  • Chiclero’s ulcer

    A form of leishmaniasis of the skin caused by the parasite Leishmania tropica mexicana. The disease, occurring in Panama, Honduras, and the Amazon, primarily affects men who visit the forests to collect chicle (gum) and takes the form of an ulcerating lesion on the ear lobe. The sore usually heals spontaneously within six months,