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Viracept

Viracept Side Effects

Allison Gourley, PharmDKristianne Hannemann, PharmD
Reviewed by Allison Gourley, PharmD, Kristianne Hannemann, PharmD
Last reviewed on November 14, 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

Adults and adolescents ages 13 years and older:

  • Diarrhea (up to 20%)
  • Nausea (up to 7%)

Children ages 2 to 12 years old:

  • Diarrhea (up to 47%)

Less Common Side Effects

  • Rash
  • Passing gas

Source: DailyMed

The following Viracept side effects have also been reported

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Less common

Anxiety

bleeding gums

bloating

blood in the urine or stools

bloody, black, tarry stools

blurred vision

chest pain

chills

coma

confusion

constipation

cool, pale skin

cough

darkened urine

dehydration

dizziness

dry mouth

fast heartbeat

fever

flushed, dry skin

fruity mouth odor

increased hunger

increased thirst

increased urination

indigestion

joint pain, stiffness, or swelling

loss of appetite

nausea

nervousness

nightmares

painful or difficult urination

pains in the stomach, side, or abdomen, possibly radiating to the back

pinpoint red spots on the skin

seizures

shakiness

slurred speech

sore throat

sores, ulcers, or white spots on the lips or in the mouth

sweating

swelling of the feet or lower legs

swollen glands

trouble breathing

unusual bleeding or bruising

unusual tiredness or weakness

vomiting

vomiting of blood or material that looks like coffee grounds

yellow eyes or skin

weight loss

Incidence not known

Clay-colored stools

difficulty with breathing

drowsiness

fainting

headache

irregular heartbeat

muscle tremors

noisy breathing

rapid, deep breathing

recurrent fainting

restlessness

skin rash

unpleasant breath odor

vomiting of blood

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Diarrhea

Less common

Acid or sour stomach

belching

burning, crawling, itching, numbness, prickling, "pins and needles" , or tingling feelings

difficulty in moving

discouragement

feeling sad or empty

heartburn

increase in body movements

irritability

loss of interest or pleasure

muscle aches, cramps, pain, or stiffness

muscular tenderness, wasting or weakness

passing gas

redistribution or accumulation of body fat

sleepiness or unusual drowsiness

trouble concentrating

trouble sleeping

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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Why trust our experts?

Allison Gourley, PharmD, is a kidney and pancreas transplant pharmacist at a teaching hospital in the San Francisco Bay Area. When she’s not educating patients about their immunosuppressants, she's actively involved in transplant research.
Kristianne Hannemann, PharmD, is a licensed pharmacist in California. She has been a retail pharmacy manager and staff pharmacist for over 7 years and has contributed drug information content to different health companies.

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