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Bariatric Journey

Bariatric Surgery Guidelines for 6 Weeks – 6 Months After Surgery

Hydration

  • By now, drinking fluids should feel much easier than in the early weeks after surgery.
  • Staying properly hydrated is essential for healing, digestion, and energy levels. Aim to drink at least 1.5 to 2 litres of fluids per day.
  • A simple way to check your hydration status is the colour of your urine. It should be pale yellow—if it is dark, you need to drink more water.

Diet: Transitioning to Solid Foods

  • Start introducing solid foods into your diet gradually. Begin with fish, then chicken, and then red meat.
  • Protein-based foods should be the foundation of your long-term diet. Every meal should prioritise protein sources like lean meats, eggs, dairy, tofu, and legumes.
  • Introduce new foods carefully. Start with a small portion of any new food and give your stomach plenty of time to adjust.
  • Limit carbohydrates such as potato, bread, pasta, and rice as they can expand in your stomach, making it harder to consume enough protein.
  • Use the Portion Perfection Plate and Bowl (provided in your pre-op green bag) to help with food selection and portion sizes.
  • Hunger may start to return as your stomach heals. Avoid unnecessary cravings by limiting exposure to food-related TV shows, cooking videos, and advertisements.

Multivitamins and Supplements

  • Continue taking your bariatric multivitamins twice a day—this is essential for preventing vitamin and mineral deficiencies.
  • Many patients switch from chewable vitamins to capsules at this stage. If you find capsules easier to swallow, you can try BN Multi Capsules (formulated for bariatric patients).
  • Some patients may require additional supplements such as Iron, Calcium, Vitamin D, and B12 injections. Your blood tests will help determine if you need these.

Exercise: Building Strength and Stamina

  • From six weeks after surgery, there are no restrictions on activities.
  • Consistency matters—regular, moderate exercise is more effective than intense but infrequent workouts.
  • Aim for at least 20-30 minutes of brisk activity 5 times per week. Walking, swimming, or cycling are excellent options.
  • Strength training (using light weights, resistance bands, or bodyweight exercises) helps rebuild muscle and boosts metabolism.
  • If you still feel fatigued, focus on hydration, protein intake, and gradual increases in activity.

Pain and Gallstones

  • By now, pain should be minimal or completely gone.
  • Some patients who had gallstones before surgery may begin experiencing gallbladder attacks (pain in the upper abdomen and back).
  • By six months post-op, about 20% of patients will develop gallstones due to rapid weight loss. These stones can cause pain if they block the bile duct.
  • If you still have your gallbladder and had no gallstones on your pre-op scan, we will arrange an abdominal ultrasound before your 6-month review to check for new stones.
  • If gallstones become painful, gallbladder removal may be necessary.

Acid Reflux (Heartburn)

  • Continue taking Nexium (or another PPI) daily until at least 3 months post-op.
  • If heartburn persists after 3 months, continue Nexium as needed and discuss with your surgeon if symptoms persist.
  • Over time, as your stomach heals and becomes more flexible, reflux should improve.
  • To prevent acid reflux: Do not eat or drink for at least one hour before bedtime. Avoid spicy, acidic, or fatty foods.

Vomiting

  • Vomiting should not be common at this stage.
  • It may happen if eating or drinking too quickly, or eating too much.
  • To avoid vomiting: Eat slowly, chew food thoroughly, and stop eating at the first sign of feeling full.

Hair Loss After Surgery

  • Temporary hair loss is common during the first year after surgery.
  • This is due to the stress of surgery and rapid weight loss, similar to postpartum hair loss.
  • Hair will regrow fully within 9-12 months.
  • Extra vitamins or protein supplements will not prevent hair loss, but adequate protein intake and multivitamins are essential for overall health.

Tracking Your Weight Loss Progress

  • Weigh yourself only once a week using the same scales, at the same time each week.
  • Taking monthly progress photos can help you see changes that the scale doesn’t reflect.
  • Weight loss is not always linear—some weeks you may not see much change, while other weeks will show bigger drops.

Follow-Up Appointments

  • You will have an appointment with your surgeon, nurse, and dietitian around the 6-8 month mark.
  • Before your appointment: Complete blood tests at least one week prior.
  • If you still have your gallbladder, schedule an upper abdominal ultrasound two weeks before your appointment.

Join Our Weight Loss Surgery Seminar

Interested in taking control of your health? Join our free seminar to learn about weight loss surgery options.

Tuesday, 28 April 2026

6:00 PM – 7:30 PM

Suite 13, 42 Parkside Cres, Campbelltown NSW 2560

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Bariatric Support Group

Connect with others on the same journey. Our support group offers guidance, motivation, and expert advice for long‑term weight loss success.

Who: Current and future Southwest Bariatrics patients, plus family and supporters

Where: The George Centre in Gregory Hills

Join the Support Group