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Ritonavir

Ritonavir Side Effects

Ally Tsai, PharmDConnie Zheng, PharmD
Reviewed by Ally Tsai, PharmD, Connie Zheng, PharmD
Last reviewed on May 30, 2023

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

  • Diarrhea (68%)
  • Nausea (57%)
  • Pins and needles sensation (51%)
  • Feeling weak or tired (46%)
  • High cholesterol levels (up to 45%)
  • Vomiting (32%)
  • Rash (27%)
  • Belly pain (26%)
  • Coughing (22%)
  • Back and joint pain (19%)
  • Throat pain (16%)
  • Feeling dizzy (16%)
  • Changes in taste (16%)
  • Flushing (13%)
  • Indigestion (12%)
  • Itching (12%)
  • Nerve pain (10%)

Less Common Side Effects

  • Excessive gas
  • Blurry vision
  • Heartburn
  • Swelling
  • Muscle pain
  • Spinning sensation
  • Changes in attention
  • More urination
  • Feeling cold in hands and feet
  • Acne

Ritonavir serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Severe allergic reactions: facial swelling, hives, rash, itchy skin, blistering or peeling of skin, body aches, trouble breathing
  • Serious liver problems: nausea, vomiting, not feeling hungry, pain in the right side of the stomach, yellowing of the whites of the eyes or skin, dark-colored urine, light-colored stool
  • Abnormal heart rhythm: chest pounding, trouble breathing, chest pain, feeling faint or lightheaded

Source: DailyMed

The following Ritonavir side effects have also been reported

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
  • High blood sugar (hyperglycemia)—increased thirst or amount of urine, unusual weakness or fatigue, blurry vision
  • Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
  • Pancreatitis—severe stomach pain that spreads to your back or gets worse after eating or when touched, fever, nausea, vomiting
  • Redness, blistering, peeling, or loosening of the skin, including inside the mouth

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

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