It is an antidepressant. It works by increasing the levels of chemical messengers (serotonin and noradrenaline), natural substances in the brain that help maintain mental balance.

Sleepiness, Dryness in mouth, Increased appetite, Headache, Weight gain

- Mirtazapine starts to work more quickly than other antidepressants. - Avoid driving or operating dangerous machinery as it may decrease alertness. - Avoid consuming alcohol when taking the Mirtazapine, as it may cause excessive drowsiness and calmness. - If your doctor asks you to stop Mirtazapine, you should reduce the dose slowly over 4 weeks. You should not discontinue it abruptly. - Notify your doctor immediately if you develop a sore throat or fever or stomatitis during treatment with Mirtazapine.