Inform your health care provider you are taking Certolizumab pegol before you receive any Vaccine. Certolizumab may decrease the actions of Vaccines. If you are taking Certolizumab, you should not receive certain types of vaccines known as "live virus vaccines" (examples: Biavax II, Orimune, Varivax). Discuss Vaccination options with your health care provider. Also, avoid contact with anyone who has recently received the oral poliovirus vaccine. If you experience fever, chills, or other symptoms of illness, contact your prescriber immediately.

Inform your health care provider you are receiving Chemotherapy before receiving any Vaccine. Certain Live Vaccines may not be appropriate for patients taking Antineoplastic Agents (chemotherapy, medicine used to treat cancer and other conditions). Treatment with some vaccines may result in infection in patients receiving Chemotherapy. Discuss Vaccination options with your health care provider.

Amprenavir Oral Solution contains a large amount of an alcohol-like solution. Avoid Alcohol-containing products or beverages while taking Amprenavir Oral Solution, as excessive sedation (difficulty staying alert), dizziness, or difficulty breathing may occur. Alcohol does not appear to interact significantly with Amprenavir capsules.

Although an interaction is possible, these drugs are often used together. Additive benefits may occur when Corticosteroids (examples: Dexamethasone, Methylprednisolone, Prednisone, or Prednisolone) and Antineoplastic Agents (chemotherapy, medicine used to treat cancer and other conditions) are used together. The combined therapies are often designed to take advantage of these benefits. However, some side effects may include an increased risk of infection. If you notice signs or symptoms of an infection, such as a fever, sore throat, etc., do not treat yourself and seek your prescriber's evaluation and advice.

Although an interaction is possible, these drugs are sometimes used together. Nevirapine may decrease the blood levels of Amprenavir. If your prescriber decides that taking these drugs together is best for you, an increased dose of Amprenavir may be prescribed while you are taking Nevirapine.

Although an interaction is possible, it is usually okay to drink grapefruit juice or eat grapefruits while taking Amprenavir. In theory, side effects from Amprenavir such as diarrhea, headache, or rash might get worse if you drink grapefruit juice or eat grapefruits, but significant interactions have not been reported. Do not greatly alter your normal grapefruit and grapefruit juice intake while taking Amprenavir.

In general, it is okay to take Amprenavir with or without most foods. However, very fatty meals can decrease the absorption of Amprenavir into the body and it is recommended that you avoid taking Amprenavir with a high-fat meal. Although an interaction is possible, it is also usually okay to drink grapefruit juice or eat grapefruits while taking Amprenavir. In theory, side effects from Amprenavir such as diarrhea, headache, or rash might get worse if you drink grapefruit juice or eat grapefruits, but significant interactions have not been reported. Do not greatly alter your normal grapefruit and grapefruit juice intake while taking Amprenavir.