Atorvastatin (Less Than or Equal To 40 mg)/Nelfinavir; Simeprevir Interactions
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Medical warning:
Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Nelfinavir may slow down how quickly your liver processes atorvastatin. Simeprevir may increase the amount of atorvastatin your body absorbs.
What might happen:
The amount of atorvastatin in your blood may increase and cause harmful effects.
What you should do about this interaction:
Let your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. Let your doctor know if you have any unexplained muscle pain, tenderness, weakness, or discoloration of your urine. Your doctor may want to change your cholesterol medicine.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
- 1.Lipitor (atorvastatin) US prescribing information. Pfizer Inc. November, 2020.
- 2.Viracept (nelfinavir mesylate) US prescribing information. Agouron Pharmaceuticals, Inc. September, 2016.
- 3.Hsyu PH, Schultz-Smith MD, Lillibridge JH, Lewis RH, Kerr BM. Pharmacokinetic interactions between nelfinavir and 3-hydroxy-3- methylglutaryl coenzyme A reductase inhibitors atorvastatin and simvastatin. Antimicrob Agents Chemother 2001 Dec;45(12):3445-50.
- 4.Olysio (simeprevir) US prescribing information. Janssen Products, LP November, 2017.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.