Contraindication

Any condition of the patient (i.e., medical, psychological, or social) that makes a surgical procedure inadvisable.

A condition which makes a particular treatment or procedure inadvisable.

Any factor or sign that it is unwise to pursue a certain kind of action or treatment, e. g. giving a general anesthetic to a person with pneumonia.

Any factor in a patients condition that indicates that treatment would involve a greater than normal degree of risk and is therefore not recommended.

Any condition or disease that renders some particular line of treatment improper or undesirable. Some contraindications are absolute, in that the use of the drug would expose the person to extreme hazard; other contraindications are relative, in that the condition or the disease does not entirely preclude the use of the drug.

In medicine, a situation in which a particular treatment or procedure is medically inadvisable.

Circumstance or symptom rendering a treatment undesirable.

Something which suggests that someone should not be treated with a specific drug or not continue with a specific treatment because circumstances make that treatment unsuitable.

Any factor prohibiting the use of a particular procedure or drug for a specific patient because of the likelihood of unwanted results. For example, the administration of penicillin is contraindicated if the person has had a severe allergic reaction to the drug.

Term used in pharmacology to refer a disease or condition that makes the use of certain drugs harmful to the patient.

A factor in a person’s condition that makes it inadvisable to participate in a particular treatment, such as taking a certain medication or undergoing surgery. For example, pregnancy is a contraindication for the administration of m any drugs, and an allergy to penicillin is a contraindication for using a penicillin type of antibiotic.

A known reason for not using a given treatment, usually a drug. Some contraindications are drug interactions, and thus depend on the use of a conflicting drug. Some relate to foods which should be avoided. Others depend on the patient’s condition; for example, nasal decongestants typically tend to raise the patient’s blood pressure, and thus are contraindicated in a patient who already has high blood pressure. “High blood pressure” appears on the label in a warning statement that it is a contraindication to the use of the product.

Any symptom or circumstance that makes treatment with a drug or device unsafe or inappropriate.

Condition that requires avoiding certain treatments, procedures, or products to prevent undesirable side effects.

A symptom or circumstance that renders the administration of a drug to be inadvisable.