The symptoms of depression like change in appetite and sleep patterns may show improvement within 1-2 weeks of starting Desvenlafaxine. However, it may take about 5-6 weeks to see the full benefits of Desvenlafaxine.

It has been shown to be effective in relieving symptoms of anxiety, though it is not approved for anxiety. It is used in anxiety disorders only when advised by the doctor.

Desvenlafaxine can be taken either in the morning or in the evening. For best results, take this medicine at the same time each day. This will also help you remember to take it.

Desvenlafaxine should be swallowed whole with water. It should not be cut, chewed, crushed or dissolved. Take it exactly as directed by your doctor.

Desvenlafaxine belongs to a class of medicines known as serotonin and norepinephrine reuptake inhibitors (SNRIs). Serotonin and norepinephrine are chemical messengers in the brain which help maintain mental balance. Desvenlafaxine works by increasing the levels of these two hormones in the brain.

Weight gain may occur with Desvenlafaxine, though not in everyone. In case you notice weight gain after taking Desvenlafaxine, consult your doctor or a nutritionist. Take a low calorie food, including more vegetables and fruits in your diet and exercise regularly.

Taking Desvenlafaxine may cause a decrease in sexual desire and ability. It may also cause a delay in orgasm and ejaculation and sometimes ejaculation failure. Discuss with your doctor if you experience any of these symptoms while taking Desvenlafaxine.