Deys Milk OF Magnesia Liquid Ice Cream is used to treat constipation. This medicine works by drawing water into the intestine through osmosis, which makes the stool soft and easier to pass. Deys Milk OF Magnesia Liquid Ice Cream should be taken as advised by your doctor. It may be taken with or without food. Take the medicine regularly and at the same time(s) each day to get the most benefit. Your dose may go up or down depending on how well it helps your symptoms. Do not take more than you are advised to and, if you miss a dose, do not take an extra one to make up for it. This medicine takes at least 48 hours to work. Talk to your doctor if your symptoms do not improve after three days.The most common side effects are diarrhea and stomach cramps. You can help reduce these side effects by drinking plenty of fluids and taking the medicine between meals. If the side effects do not resolve with time or get worse, talk to your doctor.Before taking this medicine, you should tell your doctor if you have diabetes or if you are unable to digest milk sugar (lactose intolerant). If you use this medicine over a long period of time, your doctor may want you to have occasional blood tests to check the mineral levels (e.g. potassium and sodium). Do not take other laxative medicines while taking this medicine and check with your doctor if you are pregnant or breastfeeding.