The generic name of Crizal is lopinavir ritonavir. There is no strict meaning of lopinavir ritonavir and efavirenz which side effects are greater this statement, patients take the drug caused by side effects is different from person to person, clinically these two drugs have different side effects. Please choose the medication reasonably under the guidance of the doctor. 1. Lopinavir ritonavir and efavirenz are antiviral drugs that are used in combination with other antiviral drugs to treat HIV-1 infection. 2. Common side effects of lopinavir ritonavir are diarrhea, nausea, vomiting, hypertriglyceridemia and hypercholesterolemia. Common side effects of efavirenz are rash, dizziness, nausea, headache, and malaise. Rarely, allergic reactions, coordination abnormalities, vomiting, diarrhea, hepatitis, insomnia, anxiety, bizarre dreams, drowsiness, confusion, and hallucinations are seen. 3. Lopinavir ritonavir medication should be noted: allergic to the drug is prohibited, can be used in pregnancy if necessary, breastfeeding should stop breastfeeding, children under the age of 2 years is not recommended to use, severe hepatic insufficiency is prohibited, prohibited and rely on the clearance of the CYP3A and the high blood concentration of the drug will cause serious fatal adverse events of the same drug. Efavirenz should be noted: hypersensitivity to the drug is prohibited, not recommended for use in lactating women, the use of children under 3 years of age or less than 13 kg is unclear, should not be combined with astemizole, cisapride, midazolam, triazolam, pimozide, bepridil, or ergot derivatives, and should not be used in combination with the standard dose of voriconazole. If lopinavir ritonavir and efavirenz are required, standardize the use of the drug as prescribed by the physician.