Prothiaden 50 Tablet is a tricyclic antidepressant used to treat depression that does not respond to other treatments and also to manage anxiety disorders. This medication works by increasing the levels of certain chemical messengers in the brain that stabilize and enhance mood. To get the best results, it is recommended to take this medicine at a fixed time each day. It can be taken with or without food, but it is advisable to take it before bedtime as it can make you feel drowsy. The dose and duration of treatment will be decided by your doctor based on the severity of your symptoms, so it is important to follow their instructions and not skip any dose. It is also important to complete the full course of treatment even if you feel better.The most common side effects of Prothiaden 50 Tablet include increased heart rate, blurred vision, dry mouth, and constipation. It may also cause dizziness, sleepiness, and a sudden drop in blood pressure, especially when you change positions. Therefore, you should avoid driving or operating machinery until you know how this medicine affects you. Some people may experience weight gain with this medication. Serious side effects associated with this medicine are rare, but if you notice any sudden mood changes, suicidal thoughts, or self-harm thoughts, you must consult your doctor without delay.Before taking Prothiaden 50 Tablet, it is important to inform your doctor about all the medicines you are taking, including prescription and over-the-counter medicines, as well as any supplements or herbal products. Pregnant and breastfeeding women should take this medicine with caution and proper consultation with the doctor. This medicine is not known to be addictive, but if you suddenly stop taking it, you may experience withdrawal symptoms. It is important to avoid alcohol while taking this medication as it can interact with the medicine and cause serious health problems.