Nelfinavir may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- stomach pain
- loss of appetite
Some side effects can be serious. If you experience any of these symptoms, call your doctor immediately or get emergency medical treatment:
- difficulty breathing or swallowing
Nelfinavir contains a chemical found to cause cancer in laboratory animals. The Food and Drug Administration (FDA) has asked the manufacturer to make changes in the way nelfinavir is made to decrease the amount of this chemical in nelfinavir products. The risk to humans is unknown but may be higher in children and pregnant women. Talk to your doctor about the risks of taking nelfinavir.