It is very important that your doctor check your or your child's progress at regular visits to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects.
Do not use this medicine if you or your child are also using alfuzosin (Uroxatral®), cisapride (Propulsid®), lovastatin (Altocor®, Altoprev®, Mevacor®), oral midazolam (Versed®), pimozide (Orap®), rifampin (Rifadin®, Rimactane®), sildenafil (Revatio®), simvastatin (Simcor®, Vytorin®, Zocor®), triazolam (Halcion®), or ergot medicines (e.g., dihydroergotamine, ergonovine, ergotamine, methylergonovine, Cafergot®, D.H.E. 45®, Ergomar®, Ergostat®, Ergotrate®, Methergine®, Migranal®, or Wigraine®).
Do not take other medicines unless they have been discussed with your doctor. This includes prescription and nonprescription (over-the-counter [OTC]) medicines, and herbal (e.g., St. John's wort) or vitamin supplements.
Stop using this medicine and check with your doctor right away if you or your child have pain or tenderness in the upper stomach; pale stools; dark urine; loss of appetite; nausea; unusual tiredness or weakness; or yellow eyes or skin. These could be symptoms of a serious liver problem.
This medicine may increase blood sugar levels. Check with your doctor if you or your child notice a change in the results of your blood or urine sugar tests.
It is important to tell your doctor if you become pregnant. Your doctor may want you to join a pregnancy registry for patients taking an anti-viral medicine.
Birth control pills may not work as well while you are using darunavir. To keep from getting pregnant, use an additional form of birth control along with your pills. Other forms of birth control include condoms, diaphragms, or contraceptive foams or jellies.
When you start taking HIV medicines, your immune system may get stronger. If you or your child have certain infections, such as Pneumocystis pneumonia or tuberculosis, you may notice new symptoms when your body tries to fight them. If this occurs, be sure to tell your doctor.
Serious skin reactions can occur with this medicine. Stop using this medicine and check with your doctor right away if you or your child have any of the following symptoms while taking this medicine: blistering, peeling, or loosening of the skin; chills; cough; diarrhea; fever; itching; joint or muscle pain; red skin lesions, often with a purple center; skin rash; sore throat; sores, ulcers, or white spots in the mouth or on the lips; or unusual tiredness or weakness.
This medicine will not keep you from giving HIV to your partner during sex. Make sure you understand this and practice safe sex, even if your partner also has HIV, by using a latex condom or other barrier method. This medicine will also not keep you from giving HIV to other people if they are exposed to your blood. Do not re-use or share needles with anyone.
This medicine may cause you to have excess body fat. Tell your doctor if you or your child notice changes in your body shape, such as an increased amount of fat in the upper back and neck, or around the chest and stomach area. You might also lose fat from the legs, arms, and face.
Tell the doctor in charge that you or your child are taking this medicine before you have any medical tests. The results of some tests may be affected by this medicine.