Rifabutin: Side Effects, Uses & Monitoring
MYCOBUTIN Capsules are indicated for the prevention of disseminated Mycobacterium avium complex (MAC) disease in patients with advanced HIV infection.
- Data source
- FDA labeling via NIH DailyMed (label b8351a60…)
- Label version
- current
- Last reviewed
- 2026
Reported adverse reactions
Reactions listed in current FDA labeling, with the highest frequency reported across summarized placebo-controlled trials.
| Adverse reaction (as reported in labeling) | Reported frequency* |
|---|---|
| Discolored urine | 30% |
| Rash | 11% |
| Nausea | 6% |
| Headache | 5% |
| Abdominal pain | 4% |
| Diarrhea | 3% |
| Dyspepsia | 3% |
| Eructation | 3% |
| Nausea and vomiting | 3% |
| Taste perversion | 3% |
| Fever | 2% |
| Pain | 2% |
| Anorexia | 2% |
| Flatulence | 2% |
| Myalgia | 2% |
| Asthenia | 1% |
| Chest pain | 1% |
| Vomiting | 1% |
| Insomnia | 1% |
*Highest percentage reported for the active moiety across placebo-controlled trial tables in current FDA labeling. Values reflect trial reporting, not your individual risk.
Labeled uses (from FDA prescribing information)
MYCOBUTIN Capsules are indicated for the prevention of disseminated Mycobacterium avium complex (MAC) disease in patients with advanced HIV infection.
Conditions associated with Rifabutin in labeling
Frequently Asked Questions
What is Rifabutin used for?
FDA labeling lists the approved uses shown above under "Labeled uses." This summary is informational; only a qualified prescriber can determine whether a medication is appropriate for you.
What are the most commonly reported side effects of Rifabutin?
The table above shows adverse reactions and the highest frequencies reported in placebo-controlled trials summarized in current FDA labeling for Rifabutin. Individual risk varies.
Does Rifabutin require lab monitoring?
Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Rifabutin.
Where does this information come from?
All clinical facts on this page were extracted from the current FDA-registered product labeling for this ingredient, published by manufacturers through NIH DailyMed. See the source link below.
Medical disclaimer: Educational content extracted from public FDA labeling. Not medical advice. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.