Hi Sue,

There are factors related to heart disease that may make it more difficult to lose weight, but not prevent weight loss. Several medications have side effects that include weight gain, which may make it harder for you to lose weight.  In addition, fluid retention can cause your weight to fluctuate up and down, so it is important to take any medications your physician prescribes for fluid retention and follow the diet that your physician or registered dietitian has recommended.

Stress and lack of sleep have also been linked to weight gain. Check out these articles for more details.

Lack of Sleep Can Lead to Weight Gain
Heart Disease-Tips to Reduce Stress Related Weight Gain

I encourage you to discuss possible side effects of medications that you are taking with your pharmacist or physician since they may be adding to your difficulty with weight loss. You may not be able to go off the medications but at least you will be aware of one possible barrier. And, be sure to discuss exercise with your physician to ensure it is safe for you personally to exercise.

Best of luck!

Monica M. Skidmore, MS, RD, LDN