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It is important to drink enough fluid to keep hydrated, but the type and timing of fluids is important.

Timing

Different people have different experiences when drinking with food. Some people find that if they are not chewing food properly, drinking will help them eat more, particularly those with a gastric band. People who have had any form of weight loss surgery can find it overfills their small stomach, causing discomfort or vomiting. Following gastric bypass and sleeve gastrectomy surgery it is best to leave 30 minutes before and after eating to have a drink.

Those with a gastric band may find that fluid ‘washes’ food past their band, allowing them to finish a serve of food they normally would not. For those with a gastric band, drink 10 minutes before your meals so that you are not thirsty when you begin to eat, and wait 30 minutes after meals.

Try to drink at least three to four pints/one and a half to two liters of fluid each day. As you are not drinking with meals, you must remember to drink regularly throughout the day to meet this target.

Type

Some fluids can provide the same energy (calories or kilojoules) as food, hence can hinder your weight loss and achieving your goals.

Follow these guidelines to keep hydrated.

Choose:

§ Water

§ Low fat or skim milk (cow’s milk, soy, or lactose free milk)

§ Low fat flavored milk with little or no added sugar

§ Diet cordial

§ Tea.

Limit:

§ Juice (½ glass per day)

§ Alcohol

§ Coffee.

Avoid:

§ Regular cordial

§ Soda*/soft drink*

§ Mineral or soda water*

§ Full cream milk

§ Commercial milkshakes and smoothies

§ Flavored coffee

§ Energy and Sports drinks

§ Flavoured water.

*The gas in fizzy drinks can build up in the stomach and cause discomfort. It is best to avoid fizzy drinks soon after surgery. Before you experiment with fizzy drinks wait until you have healed and have learned to understand the signals your body gives you. Discuss in more detail with your surgeon or dietitian.