Nelfinavir
Written By Dr. Swati MishraLast updated 25 Nov 2025 | 09:34 AM (UTC)
Nelfinavir Uses
Nelfinavir is used in the treatment of HIV infection.
How Nelfinavir works
Nelfinavir is an anti-HIV medication. It works by interfering with an enzyme (protease), which is required by HIV-infected cells to make new viruses. This stops the production of new viruses.
Common side effects of Nelfinavir
Rash, Nausea, Abdominal pain, Diarrhea, Flatulence, Decreased appetite
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Expert advice for Nelfinavir
- Nelfinavir should be taken with food.
- Do not skip any doses and finish the full course of treatment even if you feel better.
- It may cause dizziness or sleepiness. Do not drive or do anything that requires concentration until you know how it affects you.
- Your doctor may check your liver function regularly. Inform your doctor if you develop abdominal pain, loss of appetite darkened urine or yellowing of the eyes or skin (jaundice).
- Inform your doctor if you are pregnant, planning pregnancy or breastfeeding.
- Nelfinavir should be taken with food.
- Do not skip any doses and finish the full course of treatment even if you feel better.
- Do not take antacids an hour before or two hours after taking Nelfinavir.
- It may cause dizziness or sleepiness. Do not drive or do anything that requires concentration until you know how it affects you.
- Stop taking medications (prescribed for erectile dysfunction) like sildenafil or tadalafil while on treatment with this medicine.
- Your doctor may check your liver function regularly. Inform your doctor if you develop abdominal pain, loss of appetite darkened urine or yellowing of the eyes or skin (jaundice).
- Inform your doctor if you are pregnant, planning pregnancy or breastfeeding.
Frequently asked questions for Nelfinavir
Nelfinavir is a protease inhibitor used for the treatment for human immunodeficiency virus (HIV) infection, along with other medications (other antiretroviral agents).



