Meropenem

What is meropenem used for?

Meropenem is a prescription antibiotic that is used to treat bacterial infections.

Description

Meropenem for injection is a sterile, pyrogen-free, synthetic, carbapenem antibacterial drug for intravenous administration. Meropenem is (4R,5S,6S)-3- [[(3S,5S)-5-(Dimethylcarbamoyl)-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid trihydrate. Its empirical formula is C17H25N3O5S•3H2O with a molecular weight of 437.52.

Its structural formula is:

Meropenem for injection is a white to pale yellow crystalline powder containing meropenem trihydrate and sodium carbonate. The constituted solution varies from colorless to yellow depending on the concentration. The pH of freshly constituted solutions is between 7.3 and 8.3. Meropenem is soluble in 5% monobasic potassium phosphate solution, sparingly soluble in water, very slightly soluble in hydrated ethanol, and practically insoluble in acetone or ether.

Before taking meropenem, tell your doctor:

• If you are allergic to meropenem; any part of this medicine; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
• If you are taking any of these drugs: Divalproex or valproic acid.
• If you are taking probenecid.

This is not a list of all drugs or health problems that interact with meropenem.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take meropenem with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take meropenem?

• Tell all of your health care providers that you take meropenem. This includes your doctors, nurses, pharmacists, and dentists.
• Severe and sometimes deadly allergic side effects have rarely happened with drugs like this one.
• Avoid driving and doing other tasks or actions that call for you to be alert until you see how meropenem affects you.
• Have blood work checked as you have been told by the doctor. Talk with the doctor.
• Do not use longer than you have been told. A second infection may happen.
• A severe and sometimes deadly reaction has happened. Most of the time, this reaction has signs like fever, rash, or swollen glands with problems in body organs like the liver, kidney, blood, heart, muscles and joints, or lungs. If you have questions, talk with the doctor.
• If you are 65 or older, use meropenem with care. You could have more side effects.
• Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.

How is meropenem best taken?

Use meropenem as ordered by your doctor. Read all information given to you. Follow all instructions closely.

• It is given as an infusion into a vein over a period of time.

What do I do if I miss a dose?

• Call your doctor to find out what to do.

What are the side effects of meropenem that I need to call my doctor about immediately?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Seizures.
• Stiff muscles, shakiness, or muscle movements that are not normal.
• A burning, numbness, or tingling feeling that is not normal.
• Feeling very tired or weak.
• Feeling confused.
• Diarrhea is common with antibiotics. Rarely, a severe form called C diff–associated diarrhea (CDAD) may happen. Sometimes, this has led to a deadly bowel problem (colitis). CDAD may happen during or a few months after taking antibiotics. Call your doctor right away if you have stomach pain, cramps, or very loose, watery, or bloody stools. Check with your doctor before treating diarrhea.
• A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.

What are some other side effects of meropenem?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Headache.
• Upset stomach or throwing up.
• Diarrhea.
• Constipation.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

If overdose is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out meropenem?

• If you need to store meropenem at home, talk with your doctor, nurse, or pharmacist about how to store it.

Label

PRINCIPAL DISPLAY PANEL – 500 MG

PRINCIPAL DISPLAY PANEL – 1 G