Amlodipine can cause constipation as a side effect. But this can be easily manageable by diet. Advice 1. Continue amlodipine and losartan as suggested 2. Include fiber in your diet such as split peas, lentils, black beans, lima beans, sprouts, baked beans, raspberries, pears, apples, barley, bran flakes, and brown rice 3. Syrup Duphalac (lactulose) 2 teaspoonful per oral at bed time 4. Drink 4 – 5 liters of water daily 5. Avoid straining while defecating 6. Regular exercise at least 30 minutes for 5 days in a week 7. Consume less salt 8. Avoid smoking, alcohol, coffee and caffeinated beverages 9. Lose extra weight if you are overweight and keep your body mass index between 19 and 25. BMI is calculated by formula BMI = Weight in Kilograms / (height in meters x height in meters) 10. Measure your BP regularly and be in touch with your doctor I hope this information will help you. I will be happy if you ask another question Thanks