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
- Tingling or "pins and needles" sensation in hands, arms, feet, and legs (44%)
- Trouble thinking or paying attention (14%)
- Changes in taste (14%)
- Confusion (11%)
- Headache (8%)
- Partial or total loss of sensation in a part of your body (8%)
- Sluggish (8%)
- Fatigue (8%)
- Muscle spasms (8%)
- Rash (8%)
Less Common Side Effects
- Dizziness
- Nausea
- Weight loss
- Joint pain
- Muscle twitching
- Shortness of breath
- Itching
Keveyis serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious allergic reactions: hives, rash, peeling and blistering skin, shaking, itching, nausea, flushing, dizziness, shortness of breath, chest pain, fever, chills, sore throat, stomach pain
- High acid levels: fatigue, nausea, vomiting, loss of appetite, weakness, headache, confusion, sleepiness, long and deep breaths
- Salicylate poisoning: nausea, vomiting, fast breathing, ringing in the ears, not able to think clearly, blacking out
Source: DailyMed
The following Keveyis 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
- Aplastic anemia—unusual weakness or fatigue, dizziness, headache, trouble breathing, increased bleeding or bruising
- High acid level—trouble breathing, unusual weakness or fatigue, confusion, headache, fast or irregular heartbeat, nausea, vomiting
- Infection—fever, chills, cough, or sore throat
- Kidney stones—blood in the urine, pain or trouble passing urine, pain in the lower back or sides
- 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
- Loss of balance or coordination
- Low potassium level—muscle pain or cramps, unusual weakness or fatigue, fast or irregular heartbeat, constipation
- Redness, blistering, peeling, or loosening of the skin, including inside the mouth
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Change in taste
- Confusion
- Difficulty with paying attention, memory, or speech
- Pain, tingling, or numbness in the hands or feet
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