Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check the progress of you or your child at regular visits to make sure that this medicine is working properly. Blood and urine tests may be needed to check for unwanted effects.
Do not use this medicine if you or your child are also using alfuzosin (Uroxatral®), apalutamide (Erleada®), cisapride (Propulsid®), colchicine (Colcrys®), dronedarone (Multaq®), elbasvir/grazoprevir (Zepatier®), ergot medicines (eg, dihydroergotamine, ergotamine, methylergonovine, Cafergot®, Ergomar®, Methergine®, or Migranal®), lomitapide (Juxtapid®), lovastatin (Advicor®, Altoprev®, Mevacor®), lurasidone (Latuda®), oral midazolam (Versed®), pimozide (Orap®), ranolazine (Ranexa®), rifampin (Rifadin®), sildenafil (Revatio®), simvastatin (Simcor®, Vytorin®, Zocor®), or triazolam (Halcion®).
Pancreatitis may occur while you are using this medicine. Check with your doctor right away if you or your child have sudden and severe stomach pain, chills, constipation, nausea, vomiting, fever, or lightheadedness.
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.
This medicine may cause heart rhythm problems, including PR or QT prolongation. It may change the way your heart beats and cause fainting or serious side effects in some patients. Contact your doctor right away if you or your child have any symptoms of heart rhythm problems, such as fast, pounding, or irregular heartbeats.
This medicine may increase the amount of cholesterol and fats in your blood. If this condition occurs, your doctor may give you some medicines that can lower the amount of cholesterol and fats in the blood. Talk to your doctor if you or your child have concerns.
If you or your child develop a skin rash, hives, or any allergic reaction to this medicine, check with your doctor as soon as possible.
If you are taking the oral liquid, you should limit the amount of alcohol you drink. The Kaletra® oral liquid contains 42% alcohol. Talk to your doctor if you or your child are taking, or plan to take, metronidazole (Flagyl®) or disulfiram (Antabuse®).
Birth control pills that contain estrogen may not work as well while you are using this medicine. To keep from getting pregnant, use an additional form of birth control along with your pills. Other forms of birth control include condoms, a diaphragm, or contraceptive foam or jelly.
Your immune system may get stronger when you start taking HIV medicines. Tell your doctor right away if you notice any changes in your health. Sometimes the immune system will start to fight infections that were hidden in your body, such as pneumonia or tuberculosis, or may result in a flare-up of a hidden autoimmune disorder such as Graves disease, polymyositis, or Guillain-Barré syndrome.
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.
This medicine may increase the risk of bleeding in patients with hemophilia (a bleeding disorder). Talk with your doctor about this risk.
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.
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 (eg, St. John's wort) or vitamin supplements.
Portions of this document last updated: April 01, 2024
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