Drug Interactions between Bactrim and lumateperone

Grapefruit and grapefruit juice may increase the blood levels of lumateperone. In some cases, this may increase the risk of side effects such as drowsiness, abnormal muscle movements, seizures, high blood sugar, diabetes, high cholesterol, weight gain, low white blood cell count, difficulty swallowing, and heat-related disorders such as heat intolerance or heat stroke. You may also be more likely to experience side effects associated with low blood pressure such as dizziness. You should avoid the consumption of grapefruit and grapefruit juice during treatment with lumateperone. Be sure to take the medication with food. Talk to your doctor if you have any questions or concerns. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Ask your doctor before using sulfamethoxazole together with ethanol (alcohol). Contact your doctor if you experience unpleasant side effects such as fast heartbeats, warmth or redness under your skin, tingly feeling, nausea, or vomiting. If you experience these side effects, you may need to avoid ethanol (alcohol) while taking sulfamethoxazole. You should check your food and medicine labels to see if these products contain ethanol (alcohol). It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.