contactant - definition of contactant in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus and Encyclopedia.

contactant /con·tac·tant/ (kon-tak´tint) an allergen capable of inducing delayed contact-type hypersensitivity of the epidermis after contact.

con·tac·tant (k

n-t

nt)

Any of a group of allergens that elicit manifestations of induced sensitivity by direct contact with the skin or mucosa.

contactant

an allergen capable of inducing delayed contact-type hypersensitivity of the epidermis after one or more episodes of contact.

Patient discussion about contactant.

Q. Contact lenses I’m 17 years old girl, and I have glasses since third grade. I never had any real problems with wearing them,. my best friend always encourage me to try contact lenses, but it seems so strange to put something on directly on your eyes- is it safe? How difficult is it to do?

A. Consult your ophthalmologist (eye doctor) before you decide.

Q. can an HIV virus last when it comes in contact with air and out of the body? in what ways can i get HIV? and what are the treatment options ? is it treatable ? and what are the side effects for this kind of treatment ?

A. This virus may be passed from one person to another when infected blood, semen, or vaginal secretions come in contact with an uninfected person’s broken skin or mucous membranes*. In addition, infected pregnant women can pass HIV to their baby during pregnancy or delivery, as well as through breast-feeding. People with HIV have what is called HIV infection. Some of these people will develop AIDS as a result of their HIV infection. http://www.cdc.gov/hiv/resources/qa/qa1.htm
http://en.wikipedia.org/wiki/HIV Hope this helps.

Q. i have been in contact with someone whose in contact with bacterial meningitis. is this dangerous?

A. bacterial meningitis is one of the most lethal infections known. when people get infected by it they get a __ load of antibiotics and so are their families. but it all depends on what stage you had contact, and how close contact. in any way- he is probably under treatment now, no? if so, contact the doctors where he is hospitalized and ask them what is the protocol.