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
- Anal itching (7%)
- Gallstones (7%)
Less Common Side Effects
- Blurred vision
- Diarrhea
- Constipation
- Nausea
- Hives
- Itching
- Muscle pain
- Muscle spasm
- Rash
Viokace serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Scarring in the colon: stomach pain, bloating, trouble passing stool, nausea, vomiting, diarrhea
- High uric acid levels: joint pain, redness, swelling, stiffness
- Severe allergic reactions: trouble breathing, skin rashes, swollen lips, itching
Source: DailyMed
More on Viokace side effects

The following Viokace 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:
Rare
Skin rash or hives
With powder dosage form or powder from opened capsules
if breathed in
tightness in the chest
trouble breathing
With tablets
if held in the mouth
Irritation of the mouth
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
Blurred vision
flushed, dry skin
fruit-like breath odor
headache
increased hunger
increased thirst
increased urination
sweating
unexplained weight loss
vomiting
Less common
Abnormal feces
bloated feeling
chills
cold sweats
confusion
cool, pale skin
excess air or gas in the stomach or intestines
feeling of fullness
frequent bowel movements
loss of consciousness
muscle aches
nightmares
passing gas
seizures
shakiness
slurred speech
Incidence not known
Difficulty having a bowel movement
difficulty with moving
muscle aching or cramping
muscle pains or stiffness
swollen joints
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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