Constant tiredness and
exhaustion can be a feature of anemia, chronic fatigue syndrome(often manifests with widespread myalgia and
arthralgia, cognitive difficulties, chronic mental and
physical exhaustion),hypothyroidism, disorders of the hypothalamus,
psychiatric disorders like depression and
sleep-related breathing disorders.
Another thing is that fatigue,headache,sleep disturbances,<span style = 'background-color: #dae8f4'>hallucinations</span> <span style = 'background-color: #dae8f4'>and</span>
confusion are the common side effects of citalopram.