Discuss with your doctor what is best for you. Taking lansoprazole for a short time to treat symptoms is not suitable for everyone. Once you feel better (often after a few days or weeks), you can stop taking it. Some people do not need to take lansoprazole every day and take it only when they have symptoms. Sometimes you might need to take it for longer, even many years. How long to take it forĭepending on your condition, you may only need to take lansoprazole for a few weeks or months. Sometimes your doctor will increase your dose of lansoprazole if it's not working well enough.ĭepending on the reason you take lansoprazole, you may take a higher dose to begin with, usually for a month or 2.Īfter this, your doctor may recommend that you take a lower dose. Lansoprazole also comes as dispersible tablets that melt in your mouth. If you have problems swallowing capsules, you can open lansoprazole capsules and mix the granules inside with a little water or fruit juice, or sprinkle them onto soft food, such as yogurt or apple puree, to help you swallow them. Swallow the tablets or capsules whole with a drink of water or juice.