Drug Interaction Report

Talk to your doctor before using lamoTRIgine together with etonogestrel. Combining these medications may reduce the blood levels and effects of lamoTRIgine. You may need a dose adjustment if you have been taking lamoTRIgine and are starting treatment with etonogestrel. Similarly, if etonogestrel is discontinued, your dosage of lamoTRIgine may need to be readjusted. Contact your doctor if your condition changes or you experience loss of seizure control during treatment with these medications. When etonogestrel is stopped or interrupted briefly, be alert to potentially increased side effects of lamoTRIgine such as dizziness, drowsiness, nausea, vomiting, diarrhea, blurred vision, incoordination, tremor, restlessness, irritability, depression, anxiety, and mood or behavior changes. 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.

Alcohol can increase the nervous system side effects of lamoTRIgine such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with lamoTRIgine. Do not use more than the recommended dose of lamoTRIgine, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. Talk to your doctor or pharmacist if you have any questions or concerns.

Grapefruit juice may increase the blood levels of certain medications such as etonogestrel. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with etonogestrel. However, if you have been regularly consuming grapefruit or grapefruit juice with the medication, then it is advisable for you to talk with your doctor before changing the amounts of these products in your diet, as this may alter the effects of your medication. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.