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Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

Tao Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Last reviewed on RxList 5/20/2016

Tao (troleandomycin) is an antibiotic used to treat many different types of bacterial infections, such as tonsillitis, bronchitis, sinusitis, and pneumonia. The brand name Tao is discontinued, but generic versions may be available. Common side effects of Tao (troleandomycin) include:

  • nausea
  • vomiting
  • diarrhea
  • abdominal pain or cramping
  • dizziness
  • fatigue
  • headache
  • vaginal yeast infection, and
  • allergic reactions (hives, skin rash)

The adult dose of Tao is 250 to 500 mg 4 times a day. The pediatric dose is 125 to 250 mg (3-5 mg/lb or 6.6 to 11 mg/kg) every 6 hours. Tao may interact with seizure medications, asthma medications, anticoagulants, or other antibiotics. Tell your doctor all medications and supplements you use. It is unknown if Tao will be harmful to a fetus. Tell your doctor if you are pregnant or could become pregnant during treatment. It is unknown if this drug passes into breast milk. Consult your doctor before breastfeeding.

Our Tao (troleandomycin) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Tao FDA Prescribing Information: Side Effects
(Adverse Reactions)


The most frequent side effects of troleandomycin preparations are gastrointestinal, such as abdominal cramping and discomfort, and are dose related. Nausea, vomiting, and diarrhea occur infrequently with usual oral doses.

During prolonged or repeated therapy, there is a possibility of overgrowth of nonsusceptible bacteria or fungi. If such infections occur, the drug should be discontinued and appropriate therapy instituted.

Mild allergic reactions such as urticaria and other skin rashes have occurred. Serious allergic reactions, including anaphylaxis, have been reported.


Read the entire FDA prescribing information for Tao (Troleandomycin)

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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