rifampin (Intravenous route)Pronunciation
Commonly used brand name(s)
In the U.S.
- Rifadin IV
Available Dosage Forms:
- Powder for Solution
Therapeutic Class: Antitubercular
Chemical Class: Rifamycin
Uses For rifampin
Rifampin injection is used together with other medicines to treat tuberculosis (TB) infections in many different parts of the body. It belongs to the class of medicines called antibiotics and works to kill or prevent the growth of TB. However, rifampin will not work for colds, flu, or other virus infections.
rifampin is to be administered only by or under the immediate supervision of your doctor.
Once a medicine has been approved for marketing for a certain use, experience may show that it is also useful for other medical problems. Although these uses are not included in product labeling, rifampin is used in certain patients with the following medical conditions:
- Atypical mycobacterial infections, such as Mycobacterium avium complex (MAC).
- Leprosy (Hansen's disease).
- Prevention of Haemophilus influenzae infection.
- Treatment of serious staphylococcal (bacterial) infections.
Before Using rifampin
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For rifampin, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to rifampin or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of rifampin injection in children.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of rifampin injection in the elderly.
|All Trimesters||C||Animal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.|
Studies in women suggest that this medication poses minimal risk to the infant when used during breastfeeding.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving rifampin, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using rifampin with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
Using rifampin with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Abiraterone Acetate
- Dabigatran Etexilate
- Doxorubicin Hydrochloride Liposome
- Mycophenolate Mofetil
- Ulipristal Acetate
- Vincristine Sulfate
- Vincristine Sulfate Liposome
Using rifampin with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Enalapril Maleate
- Estradiol Cypionate
- Estradiol Valerate
- Ethinyl Estradiol
- Ethynodiol Diacetate
- Medroxyprogesterone Acetate
- Morphine Sulfate Liposome
- Valproic Acid
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of rifampin. Make sure you tell your doctor if you have any other medical problems, especially:
- Alcohol abuse, or history of—Use with caution. May cause side effects to become worse.
- Diabetes, history of or
- Liver disease or
- Porphyria (an enzyme problem)—Use with caution. May make these conditions worse.
Proper Use of rifampin
A nurse or other trained health professional will give you rifampin in a hospital. rifampin is given through a needle placed in one of your veins.
Your doctor will only give you a few doses of rifampin until your condition improves, and then you will be switched to an oral medicine that works the same way. If you have any concerns about this, talk to your doctor.
Precautions While Using rifampin
It is very important that your doctor check the progress of you or your child while you receive rifampin. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to receive it. Blood tests may be needed to check for unwanted effects.
You should not use rifampin if you or your child are also receiving atazanavir, darunavir, fosamprenavir, ritonavir, saquinavir, tipranavir, Aptivus®, Fortovase®, Invirase®, Lexiva®, Norvir®, Prezista®, or Reyataz®. These medicines are used to treat human immunodeficiency virus (HIV) infections.
Liver problems may occur with rifampin. The risk for liver problems is increased if you drink alcoholic beverages on a regular basis. You should limit the amount of alcoholic beverages you drink while you are receiving rifampin. If you have any concerns about this, talk to your doctor.
Check with your doctor right away if you or your child have pain or tenderness in the upper stomach; pale stools; dark urine; loss of appetite; nausea; unusual tiredness or weakness; or yellow eyes or skin. These could be symptoms of a serious liver problem.
rifampin may cause severe tenderness and pain at the place where the injection was given. Contact your doctor right away if you or your child notice any of these side effects at the injection site: bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth.
Rifampin will cause urine, stool, saliva, sputum, sweat, and tears to turn a reddish-orange to reddish-brown color. This is to be expected while you are using rifampin, and everything will return to normal once you stop using it. This effect may cause soft contact lenses to become permanently discolored, so it is best not to wear soft contact lenses while you are using rifampin. If you or your child have any questions about this, check with your doctor.
Birth control pills may not work properly while you are using rifampin. To keep from getting pregnant, use another form of birth control together with your birth control pills. Other forms include condoms, diaphragms, or contraceptive foams or jellies.
Before you have any medical tests, tell the doctor in charge that you or your child are receiving rifampin. The results of some tests may be affected by rifampin.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
rifampin 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:Rare
- Abdominal or stomach pain
- back pain
- bleeding gums
- blood in the urine or stools
- cough or hoarseness
- coughing or vomiting blood
- dark urine
- darkening of the skin
- decreased frequency or amount of urine
- difficulty with swallowing
- fast heartbeat
- fever with or without chills
- general feeling of tiredness or weakness
- increased blood pressure
- increased thirst
- light-colored stools
- loss of appetite
- lower back or side pain
- mental depression
- nausea and vomiting
- painful or difficult urination
- persistent bleeding or oozing from puncture sites, mouth, or nose
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- shortness of breath
- skin itching, rash, or redness
- sores, ulcers, or white spots on the lips or in the mouth
- swelling of the face, ankles, fingers, hands, or lower legs
- tightness in the chest
- troubled breathing
- unusual bleeding or bruising
- unusual tiredness or weakness
- weight gain
- yellow eyes or skin
- Blistering, peeling, or loosening of the skin
- bone pain
- chest pain
- cold, clammy skin
- diarrhea, watery and severe, which may also be bloody
- difficulty with speaking
- double vision
- fast heartbeat
- fast, weak pulse
- inability to move the arms, legs, or facial muscles
- inability to speak
- joint or muscle pain
- pale skin
- pinpoint red spots on the skin
- red skin lesions, often with a purple center
- red, irritated eyes
- redness, soreness, or itching skin
- slow speech
- sores, welting, or blisters
- swollen glands
- unpleasant breath odor
- unusual weight loss
Get emergency help immediately if any of the following symptoms of overdose occur:Symptoms of overdose
- Blurred vision
- convulsions (seizures)
- dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- fast, pounding, or irregular heartbeat or pulse
- full feeling in the upper abdomen or stomach
- low blood pressure or slow pulse
- nausea or vomiting
- pain in the upper abdomen or stomach
- reddish-orange to reddish-brown color of the urine, stool, saliva, sputum, sweat, and tears
- swelling around the eyes or face
- unusual tiredness or weakness
- 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:Rare
- Feeling that others are watching you or controlling your behavior
- feeling that others can hear your thoughts
- feeling, seeing, or hearing things that are not there
- muscular pain, tenderness, wasting, or weakness
- severe mood or mental changes
- unusual behavior
- bloated or full feeling
- excess air or gas in the stomach or intestines
- not able to concentrate
- pain or discomfort in the chest, upper stomach, or throat
- weight loss
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.
See also: Side effects (in more detail)
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