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Trovan - Zithromax
Trovan-Zithromax Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Trovan/Zithromax Compliance Pak (trovafloxacin mesylate/azithromycin for oral suspension) is a combination of antibiotics used for single-dose treatment of infections of uncomplicated urethral gonorrhea in males and endocervical and rectal gonorrhea in females caused by Neisseria gonorrhoeae, and non-gonoccocal urethritis and cervicitis due to Chlamydia trachomatis. The brand name of this medication is discontinued, but generic versions may be available. Common side effects include dizziness, nausea, headache, and vomiting.
The recommended regimen is a single 100-mg tablet of Trovan and a single 1-gram (1000 mg) dose of Zithromax for oral suspension. Trovan/Zithromax may interact with antacids containing magnesium or aluminum, citric acid/sodium citrate, sucralfate, iron, Videx, morphine, theophylline, warfarin, digoxin, ergotamine or dihydroergotamine, triazolam, carbamazepine, cyclosporine, hexobarbital, and phenytoin. Tell your doctor all medications and supplements you use. During pregnancy, Trovan/Zithromax should be taken only if prescribed, tell your doctor if you are pregnant before taking these drugs. Trovafloxacin passes into breast milk. It is unknown if azithromycin passes into breast milk. Consult your doctor before breastfeeding.
Our Trovan/Zithromax Compliance Pak (trovafloxacin mesylate/azithromycin for oral suspension) 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.
Trovan-Zithromax FDA Prescribing Information: Side Effects
TROVAN®/Zithromax® Compliance Pak (trovafloxacin and azithromycin)
Twenty healthy subjects participated in a Phase 1 pharmacokinetic study to assess the safety of the TROVAN®/Zithromax® Compliance Pak (trovafloxacin and azithromycin) .
Treatment-Related Adverse Events (>1%) Associated with
TROVAN Use Alone or in Combination with ZITHROMAX
|Adverse Event||Trovafloxacin 100-mg tablet
(N = 20)
|Trovafloxacin 100-mg tablet and Azithromycin
1-gm oral suspension
(N = 20)
|Nausea and Vomiting||0||-||2||10|
|Abdominal Pain & Nausea||0||-||3||15|
|Abdominal Pain & Diarrhea||0||-||1||5|
|Abdominal Pain & Headache||0||-||1||5|
|Cumulative Treatment-Related Adverse Event Rate||2/20||10||12/20||60|
The adverse events listed in the table above were obtained from the experience of the 20 healthy volunteers that participated in the study and were described as mild to moderate in nature.
Over 6000 patients have been treated with TROVAN in multidose clinical efficacy trials worldwide.
In TROVAN studies, the majority of adverse reactions were described as mild in nature (over 90% were described as mild or moderate). TROVAN was discontinued for adverse events thought related to drug in 5% of patients (dizziness 2.4%, nausea 1.9%, headache 1.1%, and vomiting 1.0%).
Dizziness/lightheadedness on TROVAN is generally mild, lasts for a few hours following a dose, and in most cases, resolves with continued dosing. The incidence of dizziness and lightheadedness in TROVAN patients over 65 years is 3.1% and 0.6%, respectively. (See PRECAUTIONS and PATIENT INFORMATION)
TROVAN appears to have a low potential for phototoxicity. In clinical trials with TROVAN, only mild, treatment-related phototoxicity was observed in less than 0.03% (2/7096) of patients.
Additional reported drug-related events in clinical trials (remotely, possibly, probably or unknown) that occurred in <1% of TROVAN-treated patients are:
CARDIOVASCULAR: peripheral edema, chest pain, thrombophlebitis, hypotension, palpitation, periorbital edema, hypertension, syncope, tachycardia, angina pectoris, bradycardia, peripheral ischemia, edema, dizziness postural
CENTRAL &PERIPHERAL NERVOUS SYSTEM: confusion, paresthesia, vertigo, hypoesthesia, ataxia, convulsions, dysphonia, hypertonia, migraine, involuntary muscle contractions, speech disorder, encephalopathy, abnormal gait, hyperkinesia, hypokinesia, tongue paralysis, abnormal coordination, tremor, dyskinesia
GASTROINTESTINAL: altered bowel habit, constipation, Clostridium difficile-associated diarrhea, dyspepsia, flatulence, loose stools, gastritis, dysphagia, increased appetite, gastroenteritis, rectal disorder, colitis, pseudomembranous colitis, enteritis, eructation, gastrointestinal disorder, melena, hiccup
ORAL CAVITY: gingivitis, stomatitis, altered saliva, tongue disorder, tongue edema, tooth disorder, chelitis, halitosis
GENERAL/OTHER: fever, fatigue, pain, asthenia, moniliasis, hot flushes, back pain, chills, infection (bacterial, fungal), malaise, sepsis, alcohol intolerance, allergic reaction, anaphylactoid reaction, drug (other) toxicity/reaction, weight increase, weight decrease
LIVER/BILIARY: increased hepatic enzymes, hepatic function abnormal, bilirubinemia, discolored feces, jaundice
METABOLIC/NUTRITIONAL: hyperglycemia, thirst
PSYCHIATRIC: anxiety, anorexia, agitation, nervousness, somnolence, insomnia, depression, amnesia, concentration impaired, depersonalization, dreaming abnormal, emotional lability, euphoria, hallucination, impotence, libido decreased-male, paroniria, thinking abnormal
REPRODUCTIVE: Female: leukorrhea, menstrual disorder; Male: balanoposthitis
In clinical trials, most of the reported side effects were mild to moderate in severity and were reversible upon discontinuation of the drug. Approximately 0.7% of the patients from the multiple-dose clinical trials discontinued ZITHROMAX® (azithromycin) therapy because of treatment-related side effects. Most of the side effects leading to discontinuation were related to the gastrointestinal tract, e.g., nausea, vomiting, diarrhea, or abdominal pain. Rarely but potentially serious side effects were angioedema and cholestatic jaundice.
Single 1-gram dose regimen: Overall, the most common side effects in patients receiving a single-dose regimen of 1 gram of ZITHROMAX® were related to the gastrointestinal system and were more frequently reported than in patients receiving the multiple-dose regimen.
Side effects that occurred in patients on the single one-gram dosing regimen of ZITHROMAX® with a frequency of 1% or greater included diarrhea/loose stools (7%), nausea (5%), abdominal pain (5%), vomiting (2%), dyspepsia (1%), and vaginitis (1%).
LABORATORY CHANGES - Trovafloxacin: Changes in laboratory parameters, without regard to drug relationship, occurring in ≥ 1% of TROVAN-treated patients were: decreased hemoglobin and hematocrit; increased platelets; decreased and increased WBC; eosinophilia; increased ALT (SGPT), AST (SGOT), and alkaline phosphatase; decreased protein and albumin; increased BUN and creatinine; decreased sodium; and bicarbonate. It is not known whether these abnormalities were caused by the drug or the underlying condition being treated.
The incidence and magnitude of liver function abnormalities with TROVAN were the same as comparator agents except in the only study in which oral TROVAN was administered for 28 days. In this study (chronic bacterial prostatitis) nine percent (13/140) of TROVAN-treated patients experienced elevations of serum transaminases (AST and/or ALT) of ≥ 3 times the upper limit of normal. These liver function test abnormalities generally developed at the end of, or following completion of, the planned 28-day course of therapy, but were not associated with concurrent elevations of related laboratory measures of hepatic function (such as serum bilirubin, alkaline phosphatase, or lactate dehydrogenase). Patients were asymptomatic with these abnormalities, which generally returned to normal within 1-2 months after discontinuation of therapy. (See ADVERSE REACTIONS: Post-Marketing Experience subsection.)
TROVAN Post-Marketing Experience
Adverse reactions reported with TROVAN during the post-marketing period include: anaphylaxis, symptomatic hepatitis (some patients experienced an associated peripheral eosinophilia), liver failure (including acute hepatic necrosis with eosinophilic infiltration), Stevens-Johnson Syndrome, and symptomatic pancreatitis.
During the post-marketing period, TROVAN-associated liver enzyme abnormalities and/or symptomatic hepatitis have occurred during short-term or long-term therapy. (See PRECAUTIONS.)
LABORATORY CHANGES - Azithromycin: Significant abnormalities (irrespective of drug relationship) occurring during the clinical trials were reported as follows:
With an incidence of 1-2%, elevated serum creatine phosphokinase, potassium, ALT (SGPT), GGT, and AST (SGOT).
When follow-up was provided, changes in laboratory tests appeared to be reversible.
In multiple-dose clinical trials involving more than 3000 patients, 3 patients discontinued therapy because of treatment-related liver enzyme abnormalities and one because of a renal function abnormality.
Read the entire FDA prescribing information for Trovan-Zithromax (Trovafloxacin and Azithromycin)
Additional Trovan - Zithromax Information
Report Problems to the Food and Drug Administration
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