Generic Merrem

MEROPENEM is a carbapenem antibiotic. It is used to treat certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections. Compare penem antibiotics.

Meropenem Side Effects

What should I watch for?

Your condition will be monitored carefully while you are receiving this medicine. Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.

Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.

Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you.


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

Redness and swelling at the injection site

Less common

Bluish lips or skin


cold, clammy skin




fast heartbeat

fast, weak pulse



not breathing

pain at the injection site

rapid, shallow breathing

skin rash and itching



Abdominal or stomach cramps and severe pain


black, bloody, or tarry stools

black, bloody vomit

bloating or swelling of the face, arms, hands, lower legs, or feet

blurred vision

burning while urinating

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

convulsions (seizures)


dark urine

decreased urine output


diarrhea (watery and severe), which may also be bloody

difficult or painful urination

difficulty with breathing

dilated neck veins

extreme fatigue

fever with or without chills



irregular breathing



light-colored stools

loss of consciousness

muscle twitching


no blood pressure or pulse


pale skin

pounding in the ears

rapid weight gain

severe constipation

severe vomiting

slow, irregular heartbeat

stopping of the heart


tightness in the chest

troubled breathing with exertion


unpleasant breath odor

unusual bleeding or bruising

unusual tiredness or weakness

unusual weight gain or loss

vomiting of blood or material that looks like coffee grounds

weight gain

yellow eyes or skin

Incidence not known

Back, leg, or stomach pains

bleeding gums

blistering, peeling, or loosening of the skin

chest pain

confusion as to time, place, or person

cough or hoarseness

general body swelling

general feeling of tiredness or weakness

holding false beliefs that cannot be changed by fact

joint or muscle pain

large, hive-like swelling on the face, eyelids, tongue, throat, hands, legs, feet, or sex organs

loss of appetite

lower back or side pain

red skin lesions, often with a purple center

red, irritated eyes

seeing, hearing, or feeling things that are not there

sore throat

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

swollen glands

unusual excitement, nervousness, or restlessness

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


Less common

Body aches or pain

cold hands and feet

cold sweats


cool pale skin

dryness or soreness of the throat

increased hunger



passing of gas

redness, swelling, or soreness of the tongue

runny nose


slurred speech


stomach pain, fullness, or discomfort

trouble swallowing

vaginal yeast infection

voice changes


Acid or sour stomach


excess air or gas in the stomach or intestines

full feeling


hives or welts

redness of the skin

sleepiness or unusual drowsiness

trouble sleeping

white patches in the mouth, tongue, or throat

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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