The principle of double effect also called the doctrine of double effect normally applied in the medicine, palliative care and war fields is always invoked in order to explain the permission to carry out an action that can cause serious harm. This harm may include the death of human beings as a side effect otherwise aimed at promoting some good. This principle states that at certain times it is permissible to cause a harm as a side effect or double effect to bring about a desirable result. However it is necessary to indicate that it would not be permissible to cause such harm in order to bring about the same good end

This principle was introduced by Thomas Aquinas during his discussion of the permissibility of self defense. Aquinas observed that nothing hinders one act from having two effects only one of which is intended whereas the other is besides the intention.

There are four conditions tied to the application of this principle:

The act must be morally good or else indifferent. In other words the good result should be achievable apart from the bad one

The good effect must be derived from the action immediately just as the bad effect. This implies that the desirable or good effect is produced directly by the action not by the bad effect.

The good effect should be proved sufficiently desirable as compensation for allowing the bad effect

The agent who in this case may be the practitioner of the principle should not positively will the bad effect but may permit it. In other words the bad effect here is considered as an indirectly voluntary happening.

Administering a vaccine for example will definitely save many lives. However a few people get sick and even die from the vaccine’s side effects. The manufacturer and agent who administer the vaccine are morally neutral because lives are saved due to the vaccine not as a result of death due to the side effects. The side effects of the vaccine do not further any goals of the agents and as such is not intended as a means to an end. The number of lives saved by the vaccine is much greater than the numbers who die from the side effects satisfying the proportionality condition legitimizing this principle.

In order to understand if this principle provides a sound basis to make a distinction between intentional and unintentional actions for which we are morally responsible or not we need to summarize the conditions under which the principle of double effect would be considered ethically legitimate and these are that:

The act being performed is not itself morally evil. Using the vaccine example we can point out that the manufacturers or administrators of the same (agents) are not performing a morally evil act.

The good effect which in the case of the vaccine example is saving lives is not caused by the evil effect which is the death due to the vaccine’s side effects.

Only the good effects in this case the saving of lives through body immunity enhancement by the vaccine is directly intended, the bad effects which would be the death due to side effects of the vaccine is not intended but tolerated or unavoidable.

There is due proportion between good which is the total number of people who benefit by boosting their immunity through the vaccine and the bad effects which is the small proportion of people who succumb to the vaccine’s side effects.

Considering palliative care and medical cases this principle provides a sound basis for making a distinction. According to Dr. Taboada we have to understand that a moral act does not merely consist of a physical performance. There is the moral species of the act that we must consider as well. The moral species of the act can be analyzed by asking the question what are you doing? An appropriate answer that can be backed by this principle of double effect would reveal an intrinsic intentionality of the moral act. Using the case of palliative care where an agent such as a doctor uses morphine to relieve pain in terminally ill patients to elaborate this fact we would have a more accurate answer to the moral species act question what are you doing ? as relieving pain. This answer reveals the intrinsic intentionality of the moral act.

Dr. Taboada further points out that ethical experiences are determined by the moral species of the act which in essence is the kind of act we perform.

There can be proved a relationship between an agent’s motivation and the moral character of the given action. Therefore the intrinsic intentionality of the act itself and the intention of the agent are not the same thing as elaborated by Dr. Taboada and hence they must be carefully distinguished.

Further still ethical character of our actions do not primarily depend on motivation or intention of the agent as such but on the moral species of the action performed.

Thus the principle of double effect intends to secure this distinction as a necessary condition for ethical legitimacy to be established and our actions respected.

Article name: Over View The Doctrine Of Double Effect Philosophy essay, research paper, dissertation

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