Compare Reyataz vs. Kaletra
Head-to-head comparisons of medication uses, side effects, ratings, and more.
Treats HIV infection.
Reyataz (atazanavir) works well with other HIV medicines to treat HIV, but it's not a first-line choice due to its side effects, and you must take it with food.
Treats HIV infection.
Kaletra (lopinavir / ritonavir) is not commonly used to treat HIV because of its side effects and the number of pills you have to take daily.
Upsides
- If first-line choices for HIV medicines are not an option, Reyataz (atazanavir) is a good alternative to consider.
- Conveniently taken once daily.
- Available in powder form for mixing if pills are hard to swallow.
- A safer choice than Prezista (darunavir) or Prezcobix (darunavir/cobicistat) for people with heart problems.
- Good choice for people with kidney problems.
- Kaletra (lopinavir / ritonavir) can be taken once or twice daily.
- Tablets can be taken with or without food.
- An oral solution is available if tablets are hard to swallow.
Downsides
- Reyataz (atazanavir) can interact with many other medicines. Talk to your doctor or pharmacist before starting or stopping medicines.
- Not a good choice for people with uncontrolled diabetes, liver problems, or history of gallstones or kidney stones.
- Needs to be taken with other HIV medicines.
- Reyataz (atazanavir) powder contains phenylalanine, which is harmful to people who can't digest phenylalanine (i.e., phenylketonuria).
- Has more side-effects compared to newer medicines that work like it.
- You may have to take up to 4 tablets to meet your required daily dose.
- Interacts with many other medicines and supplements.
- Can increase your risk for a heart attack.
Used for
Dosage forms
- Pill
- Powder
- Pill
- Liquid
Price
Lowest price
$301.75
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$134.32
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Side effects
13possible side effects
- Nausea14%
- Yellowing of skin and eyes9%
- Rash7%
- Headache6%
- Vomiting4%
- Stomach pain4%
- Burning or tingling in hands, arms, legs, or feet4%
- Muscle pain4%
- Trouble sleeping3%
- Diarrhea3%
- Dizziness2%
- Fever2%
- Depression2%
35possible side effects
- Diarrhea20%
- Upper respiratory tract infection14%
- Nausea10%
- Fatigue and weakness8%
- Lower respiratory tract infection8%
- Vomiting7%
- High cholesterol7%
- Bone, joint and back pain7%
- Abdominal pain6%
- High fats6%
- Headaches including migraines6%
- Hepatitis and changes in liver function tests4%
- Insomnia4%
- Anxiety4%
- Skin rashes4%
- Inflammation in the stomach or intestines3%
- Skin allergies, hives and facial swelling3%
- Skin infections3%
- Anemia2%
- Decreased white blood cells2%
- Indigestion2%
- Pancreatitis2%
- Acid reflux2%
- Hemorrhoids2%
- Weight loss2%
- Loss of appetite2%
- Muscle pain2%
- Nerve damage2%
- Dizziness2%
- Erectile dysfunction2%
- Menstrual bleeding problems2%
- Changes in fat distribution2%
- Eczema2%
- Night sweats2%
- High blood pressure2%
Risks and risk factors
- Changes in heartbeat
- History of heartbeat problems
- Taking other medicines that can affect your heartbeat
- High bilirubin levels
- New or worsening diabetes
- Diabetes
- Immune reconstitution syndrome
- HIV
- Exposure to other infections
- Start of a new HIV medicine
- Change in HIV therapy
- Liver damage
- History of liver damage
- Hepatitis B or C
- Severe skin reactions
- Liver damage
- History of liver damage
- Hepatitis B or C
- Heart (atrioventricular) block
- Use with other QT or PR prolonging drugs
- History of heart disease
- Low potassium levels
- Immune recovery syndrome
- HIV
- Exposure to other infections
- Start of a new HIV medication
- Change in HIV therapy
- Fat redistribution
- New or worsening diabetes
- Use of protease inhibitors
- Diabetes
- Pancreatitis
- Advanced HIV disease
- History of pancreatitis