Get emergency medical help if you have signs of an allergic reaction to Kaletra: (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).
Call your doctor at once if you have:
fast or pounding heartbeats, fluttering in your chest, shortness of breath, and sudden dizziness (like you might pass out);
signs of a kidney stone - pain in your side or lower back, blood in your urine, painful or difficult urination;
high blood sugar - increased thirst, increased urination, fruity breath odor, weight loss; or
signs of liver or pancreas problems - loss of appetite, upper stomach pain (that may spread to your back), nausea or vomiting, itching, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).
Kaletra affects your immune system, which may cause certain side effects (even weeks or months after you've taken this medicine). Tell your doctor if you have:
signs of a new infection - fever, night sweats, swollen glands, cold sores, cough, wheezing, diarrhea, weight loss;
trouble speaking or swallowing, problems with balance or eye movement, weakness or prickly feeling; or
swelling in your neck or throat (enlarged thyroid), menstrual changes, impotence.
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Kaletra can cause changes in the shape or location of body fat (especially in your arms, legs, face, neck, breasts, and waist).
Common Kaletra side effects may include:
nausea, vomiting, diarrhea; or
high cholesterol or triglycerides.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Kaletra side effects (more detail)
