Helicon V contains Clarithromycin Nelfinavir
ModerateNelfinavir can raise the amount of clarithromycin in your blood and make its effects stronger. That can increase the chance of side effects from clarithromycin. If you are prescribed both, your doctor may adjust the dose or watch you more closely. Do not change or stop either medicine on your own.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.