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Depression

Depression, also called major depressive disorder, is not the same as a bad week or ordinary sadness. It is a sustained shift in mood, energy, and thinking that lasts at least two weeks and makes everyday tasks feel difficult or pointless. It is one of the most common health conditions worldwide, and it responds well to treatment.

Medicines used to treat Depression

Wellbutrin

Bupropion

150 · 300mg

Bupropion 150mg and 300mg modified-release tablets, used in the management of major depression and tobacco dependence. An aminoketone antidepressant.

FromUS$1.06/ tabletView

Trintellix

Vortioxetine

5 · 10 · 20mg

Vortioxetine 5mg, 10mg and 20mg tablets, used in the management of major depressive disorder. A multimodal antidepressant, not a plain SSRI.

FromUS$0.91/ tabletView

Effexor

Venlafaxine

37.5 · 75mg

Venlafaxine 37.5mg and 75mg, as tablets and prolonged-release capsules, used in the management of major depression and generalised anxiety disorder.

FromUS$0.65/ tabletView

Escitalopram

Escitalopram

5 · 10 · 20mg

Escitalopram 5mg, 10mg and 20mg tablets, an SSRI for depression and generalised anxiety.

FromUS$0.47/ tabletView

Key points

  • Alongside low mood, sleep and appetite changes, poor concentration and unwarranted feelings of guilt or worthlessness are typical features.
  • Antidepressant medicines that act on serotonin and noradrenaline, such as SSRIs and the SNRI duloxetine, are usually combined with talking therapy.
  • Full benefit from these medicines can take several weeks to appear, so early results are often modest even when they are working.

More than low mood: what depression actually feels like

The hallmark is a persistent low mood or a loss of interest in things you once enjoyed. Alongside these, people often notice low energy, disturbed sleep (too much or too little), appetite changes, poor concentration, and a sense of worthlessness or guilt that seems out of proportion to circumstances. Physical symptoms such as unexplained aches or slowed movement are also common and sometimes overshadow the emotional ones.

How depression is treated

Most people improve with a combination of talking therapy and medicine. Medicines that adjust serotonin and noradrenaline signalling in the brain tend to be the first approach. Options from the antidepressants range include SSRIs such as citalopram and paroxetine, the SNRI duloxetine, and older agents like amitriptyline. They typically need two to six weeks to take full effect, so short-term results can feel underwhelming even when the treatment is working. Venlafaxine and bupropion are further options with different mechanisms, which is useful when one medicine does not suit. See also the neurology category for conditions that sometimes overlap with depression.

When to seek help urgently

If you or someone you know is having thoughts of self-harm or suicide, reach out immediately to a trusted person or a local crisis line. Depression is treatable, and early contact makes a real difference.

Further reading

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