contact allergy


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Related to contact allergy: contact dermatitis, Allergic contact dermatitis

al·ler·gic con·tact der·ma·ti·tis

a delayed type IV allergic reaction of the skin with varying degrees of erythema, edema, and vesiculation resulting from cutaneous contact with a specific allergen.
Synonym(s): contact allergy

contact allergy

hypersensitivity to a substance that produced a reaction in a previous contact or that is structurally similar to another substance that produced such a reaction. Substances that can cause a contact allergy include poison ivy, metals, detergents, cosmetics, foods, and topical medicines.

al·ler·gic con·tact der·ma·ti·tis

(ă-lĕr'jik kon'takt dĕr'mă-tī'tis)
A delayed type IV allergic reaction of the skin with varying degrees of erythema, edema, and vesiculation resulting from cutaneous contact with a specific allergen.
Synonym(s): contact allergy.

al·ler·gic con·tact der·ma·ti·tis

(ă-lĕr'jik kon'takt dĕr'mă-tī'tis)
Delayed type IV allergic reaction of the skin with varying degrees of erythema, edema, and vesiculation resulting from cutaneous contact with a specific allergen.

contact

1. a mutual touching of two bodies or animals.
2. an animal known to have been sufficiently near an infected animal to have been exposed to the transfer of infectious material.

contact activation
the initiation of the intrinsic pathway of coagulation that occurs when whole blood contacts glass or similar surfaces; involves the conversion of factor XII into its active form, factor XIIa. This subsequently converts factor XI to XIa and so the coagulation cascade begins.
contact allergy
see contact dermatitis (below).
bone contact repair
repair of a fracture by contact apposition of the two fracture surfaces.
contact dermatitis
is caused by direct contact between the skin and a substance which is irritating or to which the animal is allergic or sensitive. The reaction usually occurs only on that area of the body that has come into contact with the substance. See also allergic contact dermatitis.
direct contact, immediate contact
the contact, by sharing the same accommodation or pasture or group, of a healthy animal with an animal having a communicable disease, the disease being transmitted as a result. See also contact transmission.
contact healing
a form of primary bone healing at a fracture site where there is cortical bone in contact.
contact hypersensitivity
see allergic contact dermatitis.
indirect contact
that achieved through some intervening medium, as propagation of a communicable disease through the air or by means of fomites or another animal, e.g. an infection may be passed to animal A from animal B via animal C; animal C is an indirect contact.
contact irritant dermatitis
skin disease produced by contact with an irritating substance; in contrast with allergic contact dermatitis, an immune reaction is not involved.
mediate contact
indirect contact.
References in periodicals archive ?
Contact allergy can cause skin redness, sores, and infection as well as hair loss.
For further information, please contact Allergy Research Group at 1-800-545-9960.
If history alone does not yield a definitive diagnosis and a suspicion for contact allergy is high, patch testing could help support one diagnosis over the other.
Contact allergy to dental restorative materials in patients with oral lichenoid lesions.
Prevalence of contact allergy at a dermatology clinic in China from 1990-2009.
Menezes de Padua CA, Schnuch A, Lessmann H, et al: Contact allergy to neomycin sulfate: results of a multifactorial analysis.
For further information about food do allergies and intolerance, contact Allergy UK at www.
Jacob presented was a toddler with a fragrance contact allergy that triggered a systemic reaction.
A contact allergy or boredom resulting in overgrooming could also result in fur loss, so consider a change in his bedding and more toys to rule out these possible causes.
WAIKOLOA, HAWAII -- Contact allergy to a corticosteroid molecule is considerably underdiagnosed--and it's no wonder why.