STD Home > How Efavirenz Works and What Your Doctor Needs to Know
- Seizures or epilepsy
- High cholesterol or triglycerides
- Liver disease, such as liver failure, cirrhosis, or hepatitis
- Any allergies, including allergies to food, dyes, or preservatives.
- Pregnant or thinking of becoming pregnant (see Sustiva and Pregnancy)
- Breastfeeding (see Sustiva and Breastfeeding).