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Cefdinir Coupon - Cefdinir 300mg capsule
CEFDINIR is a cephalosporin antibiotic. It is used to treat certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections. The lowest GoodRx price for the most common version of cefdinir is around $16.54, 80% off the average retail price of $86.76. Compare cephalosporin antibiotics.
Prescription Settings
20 capsules
Cefdinir Coupon - Cefdinir 300mg capsule
20 capsules

Omnicef Side Effects

What should I watch for?

Tell your doctor or health care professional if your symptoms do not get better in a few days.

If you are diabetic you may get a false-positive result for sugar in your urine. Check with your doctor or health care professional before you change your diet or the dose of your diabetes medicine.


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 immediately if any of the following side effects occur:

More common



Black, tarry stools

chest pain




painful or difficult urination

shortness of breath

sore throat

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

swollen glands

unusual bleeding or bruising

unusual tiredness or weakness

Incidence not known

Abdominal or stomach cramps or tenderness

back, leg, or stomach pains

bleeding gums

blistering, peeling, or loosening of the skin


blood in the urine or stools

bloody nose

bloody or cloudy urine

bloody, black, or tarry stools

blue lips, fingernails, or skin


chest pain or discomfort

clay-colored stools

cold, clammy skin


coughing or vomiting blood

cracks in the skin

dark-colored urine

diarrhea, watery and severe, which may also be bloody

difficult or troubled breathing

difficulty with breathing or swallowing

dilated neck veins


extreme fatigue

fast heartbeat

fast, weak pulse

feeling of discomfort

general body swelling

general tiredness and weakness


heavier menstrual periods

high fever



increased thirst

inflammation of the joints

irregular breathing

irregular heartbeat

irregular, fast or slow, or shallow breathing


joint or muscle pain

light-colored stools


loss of appetite

loss of consciousness

loss of heat from the body

muscle aches

muscle cramps or spasms

muscle pain or stiffness

nausea or vomiting

noisy breathing


pain in the ankles or knees

pain or discomfort in the arms, jaw, back, or neck

painful, red lumps under the skin, mostly on the legs

pale skin

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

pinpoint red spots on the skin

problems with bleeding or clotting

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


red skin lesions, often with a purple center

red, irritated eyes

red, swollen skin

scaly skin


severe stomach pain

slow or irregular breathing

sudden decrease in the amount of urine


swelling of the face, fingers, feet, or lower legs

swollen lymph glands

tightness in the chest

unpleasant breath odor

unusual weight loss

upper right abdominal or stomach pain

vomiting of blood

weight gain


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:

Less common

Itching of the vagina or genital area

pain during sexual intercourse

thick, white vaginal discharge with no odor or with a mild odor

vaginal yeast infection


Acid or sour stomach



dry mouth

excess air or gas in the stomach or intestines

full feeling


increase in body movements

increased clear or white vaginal discharge


lack or loss of strength

passing gas

rash with flat lesions or small raised lesions on the skin

sleepiness or unusual drowsiness

soreness or redness around the fingernails and toenails

stomach discomfort, upset, or pain

unable to sleep

Incidence not known

Burning, dry, or itching eyes

discharge, excessive tearing

redness, pain, or swelling of the eye, eyelid, or inner lining of the eyelid

swelling or inflammation of the mouth

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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GoodRx is not sponsored by or affiliated with any of the pharmacies identified in its price comparisons. All trademarks, brands, logos and copyright images are property of their respective owners and rights holders and are used solely to represent the products of these rights holders. This information is for informational purposes only and is not meant to be a substitute for professional medical advice, diagnosis or treatment. GoodRx is not offering advice, recommending or endorsing any specific prescription drug, pharmacy or other information on the site. GoodRx provides no warranty for any of the pricing data or other information. Please seek medical advice before starting, changing or terminating any medical treatment.
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