Drug Interaction Report

Talk to your doctor before using asparaginase Erwinia chrysanthemi together with macitentan. Combining these medications may increase the risk of side effects such as liver damage. You may need more frequent monitoring by your doctor to safely use both medications. Let your doctor know immediately if you develop right upper quadrant pain, increasing abdominal size, fever, swelling, rash, itching, loss of appetite, fatigue, nausea, vomiting, dark urine, and/or yellowing of the skin or eyes, as these may be signs and symptoms of liver damage. 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.

Tadalafil can lower blood pressure, and combining it with alcohol may further increase this effect. You may be more likely to experience symptoms such as dizziness, lightheadedness, fainting, flushing, headache, and heart palpitations. You should avoid or limit the use of alcohol to not more than 4 alcohol-containing drinks during a small period of time while being treated with tadalafil, and use caution when getting up from a sitting or lying position. You may also want to avoid drinking large amounts of grapefruit juice, since it may increase the blood levels and effects of tadalafil. 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.