Rifabutina para la infección
Mycobutin
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 19 Nov 2024
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Rifabutin is an antibiotic which is used to treat (or prevent) serious infections caused by germs (bacteria) called mycobacteria.
You can take rifabutin capsules either before or after meals. You will be asked to take one dose a day.
Rifabutin can interfere with a number of other medicines - please let your doctor know which other medicines you are taking.
De un vistazo
Rifabutin is an antibiotic used to treat or prevent serious infections caused by mycobacteria, including tuberculosis.
Dosage varies depending on why it is prescribed, but you must complete the full course.
Rifabutin can cause urine, sweat, or skin to turn orange-red, which is harmless.
It can reduce the effectiveness of some hormonal contraceptives.
Rare but serious side effects include severe diarrhoea, persistent sickness, or jaundice.
About rifabutin
Tipo de medicamento | An antibiotic and antituberculosis medicine |
Usado para | To treat infections caused by mycobacteria, especially in people with low immunity |
También llamado | Mycobutin® |
Disponible como | Cápsulas |
Mycobacteria are a group of germs (bacteria) that can cause serious infections. Tuberculosis (TB) is a disease caused by one of the bacteria from this group, called Mycobacterium tuberculosis. TB usually affects the lungs.
Rifabutin is an antibiotic used to treat infections caused by mycobacteria. It is often prescribed for people with pulmonary TB. When prescribed in this way, it is usually prescribed as just one of a number of medicines to treat the infection. You may have been prescribed it for this reason. Alternatively, if your doctor thinks you might be at risk of a mycobacterial infection because your natural immunity has been lowered (such as if you have HIV), you will have been prescribed rifabutin as a preventative measure, to protect you from getting a mycobacterial infection.
Before taking rifabutin
Some medicines are not suitable for people with certain conditions, and sometimes a medicine can only be used if extra care is taken. For these reasons, before you start taking rifabutin it is important that your doctor knows:
Si estás embarazada, intentando tener un bebé o amamantando.
If you have any problems with how your liver works, or any problems with the way your kidneys work.
If you have a rare inherited blood disorder caller porphyria.
Si está tomando otros medicamentos. Esto incluye cualquier medicamento que esté tomando y que esté disponible para comprar sin receta, así como medicamentos herbales y complementarios.
Si alguna vez has tenido una reacción alérgica a un medicamento.
How to take rifabutin
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about rifabutin and will provide you with a full list of the side-effects which you could experience from taking it.
There are several ways rifabutin could be prescribed for you, depending upon the reason why you are taking it. Your doctor will tell you which way is right for you. It is very important that you take rifabutin exactly as your doctor tells you to. Your dose will be printed on the label of the pack to remind you about what the doctor said to you. As a guide:
To prevent infections, you will be asked to take two capsules every day.
To treat TB you will be asked to take one to three capsules every day.
To treat an infection (other than TB) you will be asked to take three or four capsules every day.
You can take rifabutin at whatever time of day you find easiest to remember, but try to take your doses at the same time of day, each day. This will help you to remember to take your doses regularly. You can take rifabutin capsules either before or after meals.
If you forget to take a dose, take it as soon as you remember. If you do not remember until the following day, leave out the forgotten dose from the previous day and take the dose that is due as normal. Do not take two doses together to make up for a missed dose.
You must complete the full course of treatment (unless your doctor tells you otherwise) or your infection may come back. A course of treatment usually lasts for around six months. If you are taking rifabutin to prevent an infection, it is likely that you will be asked to take the capsules for the rest of your life.
Obteniendo el máximo de tu tratamiento
It is important that you keep your regular appointments with your doctor. This is so your doctor can check on your progress. Your doctor may want you to have some blood tests from time to time during the treatment to make sure that your blood and liver are working properly.
Rifabutin can cause your urine, sweat or skin to have an orange-reddish colour. This is completely harmless - it is nothing for you to worry about.
If you wear soft contact lenses, please be aware that rifabutin can cause your lenses to become discoloured or stained. You may want to discuss this with your doctor or optician. An alternative type of contact lens may be more suitable for you, or alternatively, you may be advised to wear glasses instead.
Make sure you have discussed with your doctor which types of contraception are suitable for you and your partner. The contraceptive effect of 'the pill', 'mini pill', contraceptive patches and vaginal rings is reduced by rifabutin and so these on their own are not suitable types of birth control.
If you buy any medicines, check with a pharmacist that they are suitable for you to take. This is because rifabutin can interfere with a number of other medicines and stop them from working properly.
Rifabutin can stop the oral typhoid vaccine from working as it should. If you are due to have any vaccinations, please make sure that the person treating you knows that you are taking this medicine.
If you are due to have an operation or any dental treatment, please tell the person carrying out the treatment that you are taking an antibiotic called rifabutin.
Can rifabutin cause problems?
Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with rifabutin. You will find a full list in the manufacturer's information leaflet supplied with the medicine. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.
Common rifabutin side-effects (these affect fewer than 1 in 10 people) | ¿Qué puedo hacer si experimento esto? |
Sentirse mal (náuseas) | Consuma comidas simples o suaves (evite alimentos ricos y picantes) |
Muscle pain, high temperature (fever), and rash | Si alguno de estos se vuelve problemático, hable con su médico para obtener consejo |
Changes to some blood test results (you may get frequent infections, or feel very tired) | Su médico verificará estos |
Importante: if you develop severe diarrhoea, persistent sickness (vomiting), or any yellowing of your skin or the whites of your eyes (jaundice), you should speak with a doctor de inmediato. These are rare but serious side-effects that you must tell your doctor about as soon as possible.
Si experimenta cualquier otro síntoma que crea que puede deberse al medicamento, por favor hable con su médico o farmacéutico para obtener más consejos.
How to store rifabutin
Mantenga todos los medicamentos fuera del alcance y la vista de los niños.
Almacenar en un lugar fresco y seco, lejos del calor y la luz directos.
Información importante sobre todos los medicamentos
Información importante sobre todos los medicamentos
No tome más de la dosis prescrita. Si sospecha que usted u otra persona podría haber tomado una sobredosis de este medicamento, acuda al departamento de accidentes y emergencias de su hospital local. Lleve el envase con usted, incluso si está vacío.
Este medicamento es para ti. Nunca lo des a otras personas, incluso si su condición parece ser la misma que la tuya.
No guardes medicamentos caducados o no deseados. Llévalos a tu farmacia local, que se encargará de desecharlos por ti.
Si tienes alguna pregunta sobre este medicamento, consulta a tu farmacéutico.
Informar efectos secundarios de un medicamento o vacuna
Si experimenta efectos secundarios, puede reportarlos en línea a través de Sitio web de Yellow Card.

¿Inseguro sobre mezclar medicamentos?
Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.
Preguntas frecuentes
What is the typical duration of rifabutin treatment?
If you are taking rifabutin to treat an infection, a course of treatment usually lasts for around six months. However, if you are prescribed rifabutin to prevent an infection, it's likely you will need to take the capsules for the rest of your life.
Can rifabutin affect my vision or eyes?
Yes, rifabutin can cause your urine, sweat, or skin to have an orange-reddish colour, and this can also discolour or stain soft contact lenses. You may need to discuss alternative contact lenses with your doctor or optician, or consider wearing glasses instead.
Are there any specific foods or drinks I should avoid while taking rifabutin?
If you experience feeling sick (nausea) as a side-effect, it is recommended to stick to simple or bland meals and avoid rich and spicy foods to help manage this.
What should I do if rifabutin makes me feel very unwell with muscle pain, fever, or a rash?
Muscle pain, high temperature (fever), and rash are common side-effects. If any of these become troublesome, you should speak with your doctor for advice.
Can rifabutin interact with over-the-counter medicines or herbal remedies?
Yes, it's important to tell your doctor about all medicines you are taking, including those bought without a prescription, as well as herbal and complementary medicines. Rifabutin can interfere with other medicines and stop them from working properly, so always check with a pharmacist if buying new medicines.
Lecturas adicionales y referencias
- Manufacturer's PIL, Mycobutin®; Pfizer Limited, The electronic Medicines Compendium. Dated August 2023.
- Medicamentos Completos BNF 89ª Edición; Asociación Médica Británica y Sociedad Real de Farmacia de Gran Bretaña, Londres.
Sobre el autorVer biografía completa

Michael Stewart, MRPharmS
Gerente de Revisión de Folletos de Medicamentos – Contratista, Farmacéutico
BPharm (Hons), MRPharmS
Michael es un farmacéutico comunitario que ejerce en Midlands y South Yorkshire con más de 20 años de experiencia asesorando sobre medicamentos y condiciones médicas. Tiene una sólida formación en capacitación en atención médica, habiendo producido e impartido cursos de formación para equipos de farmacia y personal de entornos de atención residencial, incluidas enfermeras. También ha contribuido a juntas asesoras de farmacia para la gestión de condiciones de baja gravedad en la comunidad.
Acerca del revisor

Sid Dajani
Sultan Dajani se graduó en la Escuela de Farmacia de Londres en 1994 y se convirtió en el miembro más joven elegido para el consejo de la Sociedad Real de Farmacia desde su fundación en 1842.
Historial del artículo
La información en esta página está escrita y revisada por pares por clínicos calificados.
Artículo también disponible en Inglés, Alemán, Español, Francés, Italiano, Portugués, Hindi, Hebreo, Árabe, y Sueco.
Próxima revisión: 28 de noviembre de 2027
19 Nov 2024 | Última versión

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