Drugs & Vitamins

Active Ingredients: Nafcillin
Other Names: Nafcillin Sodium Solution for Injection
Drug Class: Penicillins
Rx Status: Available by prescription only
Generic Available: Yes
Product Images & Descriptions:

What is/are Nafcillin? (Back to top)
NAFCILLIN is a penicillin antibiotic. It kills or stops the growth of some bacteria. This medicine is used to treat infections of the bone, lungs, skin and urinary tract. It will not work for colds, flu, or other viral infections. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care providers before I take this medicine? (Back to top)
They need to know if you have any of these conditions:

• liver disease
• lung or breathing disease, like asthma
• an unusual or allergic reaction to nafcillin, penicillins or other antibiotics, foods, dyes, or preservatives
• pregnant or trying to get pregnant
• breast-feeding

How should I use this medicine? (Back to top)
This medicine is for infusion into a vein or injection into a muscle. It is usually given by a health care professional in a hospital or clinic setting.

If you get this medicine at home, you will be taught how to prepare and give this medicine. Use exactly as directed. Take your medicine at regular intervals. Do not take your medicine more often than directed.

It is important that you put your used needles and syringes in a special sharps container. Do not put them in a trash can. If you do not have a sharps container, call your pharmacist or healthcare provider to get one.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

Note: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose? (Back to top)
If you miss a dose, use it as soon as you can. If it is almost time for your next dose, use only that dose. Do not use double or extra doses.

What may interact with this medicine? (Back to top)
Do not take this medicine with any of the following:

• tetracycline antibiotics

• cyclosporine
• probenecid
• warfarin

This list may not describe all possible interactions. Give your health care providers a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What side effects may I notice from this medicine? (Back to top)
Side effects that you should report to your doctor or health care professional as soon as possible:

• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
• breathing problems
• dark urine
• discolored tongue
• feveror chills
• redness, blistering, peeling or loosening of the skin, including inside the mouth
• seizures
• trouble passing urine or change in the amount of urine
• unusual bleeding or bruising
• unusually weak or tired

• diarrhea
• headache
• nausea, vomiting
• pain, swelling, or irritation at site where injected
• sore mouth
• stomach upset

This list may not describe all possible side effects.

What should I watch for while using this medicine? (Back to top)
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.

This medicine can interfere with some urine protein tests. If you use such tests, talk with your health care professional.

Where should I keep this medicine? (Back to top)
Keep out of the reach of children.

You will be instructed on how to store this medicine. Throw away any unused medicine after the expiration date on the label.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Last Updated:May 19, 2008

COPYRIGHT© Gold Standard, An Elsevier Company