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What is Rifadin (Rifampin) prescribed for?

Tuberculosis is a contagious infection that usually attacks the lungs. And it can spread to other parts of your body as well. Such as your spine and brain. It is known to be caused by a bacteria known as Mycobacterium tuberculosis. Some of the symptoms of Tuberculosis are chest pain, a cough that lasts longer than three weeks, coughing up blood, feeling tired all the time, night sweats, chills, fever, loss of appetite, and weight loss. It is best that if you are having any of these symptoms that you speak with your doctor right away and get tested. However if you have chest pain, seek medical attention right away.

This medication is known as a rifamycin antibiotic and it is used to prevent and treat tuberculosis and some other infections. Keep in mind that this antibiotic only treats bacterial infections; it will not work for viral infections such as the common cold and the flu. Using any antibiotic when not needed it can cause it not to work for any future infections.

If you have any questions or concerns regarding this medication, consult with your doctor or pharmacist on the matter. Take this medication directly has prescribed, and make sure to read the instructions on the prescription label.  And if you have any concerns, speak with your medical professional.

This medication is taken by mouth on an empty stomach, and with a full glass of water. And taken 1 hour before or 2 hours after any meals. If you have any nausea, do not take any antacids with rifampin since it will lessen the effectiveness of the medication. However, if you need to take an antacid, wait at least 1 hour after taking this drug.

If you are unable to swallow the capsule, you may open the capsule and sprinkle its contents into a spoonful of cool, soft applesauce or jelly. Make sure to eat the mixture right away, and do not prepare any future supply.


Before taking this medication, it is best to advise your doctor if you are allergic Rifampin; or to any other medications or allergies in general. This product may contain inactive ingredients, which can cause allergic reactions or other problems.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: diabetes, liver problems (e.g., hepatitis), HIV infection, history of alcohol use/abuse.

Side Effects

While minor, some of these side effects may occur. They are as follows; Upset stomach, heartburn, nausea, menstrual changes, or headache may occur. However if any of these persist or worsen, it’s best to speak with your doctor right away.

This medication may cause urine, sweat, saliva, or tears to change color (yellow, orange, red, or brown). This effect is harmless and will go away when the medication is stopped. However, teeth and contact lens staining may be permanent.

Rifampin may rarely cause serious liver disease. Though sometimes necessary to completely treat certain infections, combination treatment with other drugs (e.g., isoniazid, pyrazinamide) may increase this risk. Tell your doctor right away if you develop symptoms of liver disease, including: persistent nausea/vomiting, stomach/abdominal pain, dark urine, yellowing eyes/skin.

Tell your doctor right away if you have any serious side effects, including: signs of kidney problems (such as change in the amount of urine), mental/mood changes (such as confusion, unusual behavior), unusual tiredness, easy bruising/bleeding, small red spots on the skin, joint pain/swelling.

This medication may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a type of resistant bacteria. This condition may occur during treatment or weeks to months after treatment has stopped. Do not use anti-diarrhea or opioid medications if you have any of the following symptoms because these products may make them worse. Tell your doctor right away if you develop: persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool.

Use of this medication for prolonged or repeated periods may result in oral thrush or a new yeast infection (oral/vaginal fungal infection). Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: fever that doesn't go away, new or worsening lymph node swelling, rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.


What is Rifampin?

Rifadin is an antibiotic. So exactly what is Rifampin used for?  It is generally used to prevent and treat tuberculosis and other infections.


How does Rifampin work?

It kills the bacterium that has caused the infection. Keep in mind that this medication only treats bacterial infections; it will not work on viral infections such as the common cold and flu. This medication comes in two different strengths which are 150mg and 300mg. If you have any questions regarding this medication or any inquiries in general, feel free to give us a call at our toll free number 1-877-385-8998.     

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