Alli Drug Interactions
Often, when people with diabetes lose weight, their diabetes medications need to be adjusted (typically with lower dosages). Make sure your healthcare provider is aware of your plans for weight loss, as you may need to be monitored more closely. As you lose weight, your healthcare provider may need to adjust the dose of your diabetes medications accordingly.
Low thyroid function (hypothyroidism) has been reported in people taking Alli and a thyroid medication. While you are taking Alli, your thyroid function should be monitored, and your healthcare provider may need to adjust the dose of your thyroid medication.
In addition, be sure to take Alli and thyroid medications at least four hours apart, as this may reduce the chance of a drug interaction.
Alli can decrease the absorption of certain vitamins from your diet, possibly leading to a vitamin deficiency. In particular, this interaction affects fat-soluble vitamins, such as vitamins A, D, E, and beta-carotene. You should take a multivitamin once a day at bedtime while you are on Alli.
Alli can affect the level of vitamin K in your body, which may affect the way you respond to warfarin. Your healthcare provider may need to monitor you more closely and adjust your warfarin dosage as necessary.