6.7 TERMINOLOGIES TO DESCRIBE DRUG EFFECTS: 



       ADVERGE DRUG REEACTION: Certain drugs have adverse drug reaction or side effect. This is an unavoidable effect that result from administration of the normal dose of the drug. For example diarrhoea is a frequent side effect of Amoxycilline. 

                  * DRUG INTRACATION :   It is a response resulting from simultaneous use of two or more drugs. It may be potentiation also known as syngergism when the action of the drugs together is greater than the effect of either drug taken alone. Antagosim is the opposite of potentiation means that one drug is antagonist to the other hence when given together it may not have beneficial effect rather may have undesirable effect.

                  *  HYPER SENSTITIVTY :  This is a condition in which the patient exhibits features of overdose of the drug, even when the drug is administered in normal therapeutic dose. 

                   * IDIOSYNCRASY: This is an unsuspected, abnormal response to drugs.

                   * OVER DOSE: It a is an undesirable effect of a drug due to excessive amount of the drug present in the body. An over dose that causes poisioning  is known as as toxic dose. An overdose that causes death is known as the lethal dose.