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MICAFUNGIN is an antifungal medicine. It is used to treat or prevent certain kinds of fungal or yeast infections. Compare echinocandin antifungals.
Prescription Settings
1 vial
1 vial

Micafungin Side Effects

What should I watch for?

If you are taking this medicine to treat an infection, tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse. During your treatment, your progress will be monitored.


Common and Rare Side Effects

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 or nurse immediately if any of the following side effects occur:

More common

Black, tarry, stools


decreased frequency or amount of urine

fast, pounding, or irregular heartbeat or pulse

fever or chills

increased thirst

loss of appetite

lower back or side pain

nausea or vomiting

painful or difficult urination

pale skin

pinpoint red spots on the skin

shortness of breath

swelling of the face, fingers, or lower legs

trouble breathing

ulcers, sores, or white spots in the mouth

unusual bleeding or bruising

unusual tiredness or weakness

weight gain

Less common

Bone pain

changes in skin color, pain, tenderness, or swelling of the foot or leg

chest pain



mood or mental changes

muscle pain or cramps

muscle spasms or twitching

numbness or tingling in the hands, feet, or lips


swollen glands



Abdominal or stomach cramps

blurred vision




pounding in the ears

slow or fast heartbeat

weakness or heaviness of the legs

Incidence not known


back, leg, or stomach pain

blistering, peeling, or loosening of the skin



fast, weak pulse

general body swelling


hostility or irritability


joint pain


light-colored stools


persistent bleeding or oozing from puncture sites, mouth, or nose

puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue

red skin lesions, often with a purple center

skin rash or redness

vomiting of blood

yellow eyes or skin

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

Cold sweats

cool, pale skin



increased hunger


slurred speech


Less common

Bluish color

feeling unusually cold or shivering



change in taste

confusion as to time, place, or person

difficulty having a bowel movement (stool)




injection site pain

sleepiness or unusual drowsiness

stomach discomfort or upset

unusual excitement, nervousness, or restlessness

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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