The most commonly reported side effects of nelfinavir include drug exposure during pregnancy, foetal exposure during pregnancy, and pain, based on 3,383 FDA adverse event reports from 2004 to 2025.
Percentages show how often each reaction appears relative to total reports for nelfinavir.
These are voluntary reports and do not establish that nelfinavir caused these reactions.
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Other drugs that appear in adverse event reports alongside nelfinavir. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.
Also suspected
Taken alongside
Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.
34.7% of nelfinavir adverse event reports involve female patients and 48.9% involve male patients. The largest age group is adult at 79%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking nelfinavir when the adverse event was reported.
Showing 15 of 74 indications
Nelfinavir is sold under the brand name Viracept.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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