Contraindication is a condition that makes a medication potentially inadvisable and harmful to a person or patient. Contraindications can either be absolute or relative. Absolute contraindication means a treatment or procedure may cause a life-threatening result. On the other hand, relative contraindication involves proper caution when one takes two or more drugs or procedures.

People must always take precautions when taking medications, especially those with allergies and high blood pressure or pregnant women. You should know how to determine a drug