Antagonistic medication response is a physical issue brought about by taking medicine. Unfavorable medication responses may happen following a solitary portion or delayed organization of a medication or result from the blend of at least two medications. The importance of this term varies from the term symptom since reactions can be helpful just as unfavorable. The investigation of Adverse medication responses is the worry of the field known as pharmacovigilance. An unfriendly medication occasion (ADE) alludes to any injury happening at the time a medication is utilized, regardless of whether it is distinguished as a reason for the injury. An Adverse medication response is an extraordinary kind of ADE wherein a causative relationship can be appeared. Unfriendly medication responses are just one sort of medicine related damage, as mischief can likewise be brought about by precluding to take demonstrated medications.The unconstrained Adverse Drug Reaction (ADR) announcing framework is viewed as the most significant strategy for gathering and checking data relating to sedate related security issues. Portrayed as the least difficult and most practical technique for ADR announcing, unconstrained detailing is a significant wellspring of data inside pharmacovigilance. Ramadan M. Elkalmi, The Teaching of Subjects Related to Pharmacovigilance in Malaysian Pharmacy Undergraduate Programs.