Low level of noradrenaline is the cause of depression. What type of drugs are needed to cure this problem? Name two drugs.

(N/A) Anti-depressant drugs are needed to counteract the effect of depression. These drugs inhibit enzymes that catalyse the degradation of the neurotransmitter,noradrenaline. As a result,the important neurotransmitter is slowly metabolised and can activate its receptor for longer periods of time.
Two anti-depressant drugs are:
$i$. Iproniazid
$ii$. Phenelzine