Medication side effect

Can Anidulafungin cause pyrexia?

Echinocandin Antifungal [EPC]

Yes — pyrexia has been reported as a side effect of Anidulafungin in FDA adverse-event reports (FAERS) and product labeling. It is among the more frequently reported events for this medication. These are voluntary reports, so they show what's been reported, not how often it happens.

Reported adverse reactions

ADVERSE REACTIONS The following most serious adverse reactions are described elsewhere in other labeling sections: • Hepatic Adverse Reactions [see Warnings and Precautions (5.1) ] • Anaphylactic and Hypersensitivity Reactions [see Warnings and Precautions (5.2) ] Adults • Candidemia and other forms of Candida infections: Most common adverse reactions (≥15%) are hypokalemia, nausea, diarrhea, vomiting, pyrexia, insomnia, hypotension. ( 6.1 ) • Esophageal candidiasis: Most common adverse reactions (≥5%) are diarrhea, pyrexia, anemia, headache, vomiting, nausea, dyspepsia, oral candidiasis, and hypokalemia. ( 6.1 ) Pediatric Patients (1 month and older) Candidemia and other forms of Candida infections: Most common adverse reactions (≥ 5%): diarrhea, vomiting, pyrexia, abdominal pain, anemia, thrombocytopenia, alanine aminotransferase (ALT) and aspartate aminotransferase (AST) increased, hypoglycemia, epistaxis, and rash. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Pfizer Inc at 1-800-438-1985 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Clinical Trials Experience in Adults The safety of ERAXIS for Injection was assessed in 929 individuals, including 257 healthy subjects and 672 patients in clinical trials of candidemia, other forms of Candida infections, and esophageal candidiasis. A total of 633 patients received ERAXIS at daily doses of either 50 mg or 100 mg. A total of 481 patients received ERAXIS for ≥14 days. Candidemia/other Candida Infections Three trials (one comparative vs. fluconazole, two non-comparative) assessed the efficacy and safety of ERAXIS (100 mg) in patients with candidemia and other Candida infections. The data described below reflect exposure to ERAXIS and fluconazole in 127 and 118 patients, respectively, with candidemia and other forms of invasive candidiasis, in the randomized, comparative trial of the efficacy and safety of ERAXIS to that of fluconazole. In ERAXIS-treated patients, the age range was 16–89 years, the gender distribution was 51% male and 49% female, and the race distribution was 72% White, 18% Black/African American, 9% other races. Patients were randomized to receive once daily IV ERAXIS (200 mg loading dose followed by 100 mg maintenance dose) or IV fluconazole (800 mg loading dose followed by 400 mg maintenance dose). Treatment was administered for at least 14 and not more than 42 days. The number of patients with adverse reactions leading to discontinuation of study medication was 11.5% in the ERAXIS arm and 21.6% in the fluconazole arm. The most common adverse reactions leading to study drug discontinuation were multi-organ failure (2.3%) and systemic Candida infection (1.5%) in the ERAXIS arm. Table 2 presents adverse reactions that were reported in ≥5% of subjects receiving ERAXIS or fluconazole therapy in this trial. Table 2: Adverse Reactions Reported in ≥5% of Adult Patients Receiving ERAXIS or Fluconazole Therapy for Candidemia/other Candida Infections A patient who experienced multiple reactions within a Body System or preferred term was counted one time for that class, one time for the preferred term and one time for "subjects with at least one adverse reaction". , This trial was not designed to support comparative claims for ERAXIS for the adverse reactions reported in this table. Adverse Reaction ERAXIS 100 mg N=131 Fluconazole 400 mg N=125 N (%) N (%) Subjects with a least one adverse reaction 130 (99) 122 (98) Gastrointestinal disorders 81 (62) 72 (58) Nausea 32 (24) 15 (12) Diarrhea 24 (18) 23 (18) Vomiting 23 (18) 12 (10) Constipation 11 (8) 14 (11) Abdominal pain 8 (6) 16 (13) General disorders and administration site conditions 70 (53) 76 (61) Pyrexia 23 (18) 23 (18) Edema peripheral 14 (11) 16 (13) Chest pain 7 (5) 6 (5) Respiratory, thoracic, and mediastinal disorders 67 (51) 55 (44) Dyspnea 15 (12) 4 (3) Pleural effusion 13 (10) 11 (9) Cough 9 (7) 7 (6) Respiratory distress 8 (6) 2 (2) Investigations 66 (50) 46 (37) Blood alkaline phosphatase increased 15 (12) 14 (11) White blood cell increased 11 (8) 3 (2) Hepatic enzyme increased 7 (5) 14 (11) Blood creatinine increased 7 (5) 1 (1) Metabolism and nutrition disorders 61 (47) 61 (49) Hypokalemia 33 (25) 24 (19) Hypomagnesemia 15 (12) 14 (11) Hypoglycemia 9 (7) 10 (8) Hyperkalemia 8 (6) 14 (11) Hyperglycemia 8 (6) 8 (6) Dehydration 8 (6) 2 (2) Vascular disorders 50 (38) 41 (33) Hypotension 19 (15) 18 (14) Hypertension 15 (12) 5 (4) Deep vein thrombosis 13 (10) 9 (7) Psychiatric disorders 48 (37) 45 (36) Insomnia 20 (15) 12 (10) Confusional state 10 (8) 10 (8) Depression 8 (6) 5 (4) Blood and lymphatic system disorders 34 (26) 36 (29) Anemia 12 (9) 20 (16) Thrombocythemia 8 (6) 1 (1) Leukocytosis 7 (5) 6 (5) Skin and subcutaneous tissue disorders 30 (23) 32 (26) Decubitus ulcer 7 (5) 10 (8) Nervous system disorders 27 (21) 31 (25) Headache 11 (8) 10 (8) Musculoskeletal and connective tissue disorders 27 (21) 25 (20) Back pain 7 (5) 13 (10) Esophageal Candidiasis The data described below reflect exposure to ERAXIS and fluconazole in 300 and 301 patients, respectively, with esophageal candidiasis in a randomized trial comparing the efficacy and safety of ERAXIS to that of oral fluconazole. In ERAXIS-treated patients, the age range was 18–68 years, the gender distribution was 42% male and 58% female and the race distribution was 15% White, 49% Black/African American, 15% Asian, 0.3 % Hispanic, 21% other races. Patients were randomized to receive IV ERAXIS (100 mg on day 1, followed by 50 mg per day) or oral fluconazole (200 mg on day 1, followed by 100 mg per day) for 7 days beyond resolution of symptoms (range, 14–21 days). Twenty-eight (9%) patients in the ERAXIS arm and 36 (12%) patients in the fluconazole arm had adverse reactions related to study medication. The most common adverse reactions leading to study discontinuation were maculopapular rash (1 patient) for the ERAXIS arm. The most common adverse reactions leading to discontinuation were rash (1 patient) and increased AST (1 patient) for the fluconazole arm. Table 3 presents adverse reactions that were reported in ≥5% of subjects receiving ERAXIS therapy. Table 3: Adverse Reactions Reported in ≥5% of Adult Patients Receiving ERAXIS or Fluconazole Therapy for Esophageal Candidiasis A patient who experienced multiple reactions within a Body System or preferred term was counted one time for that class, one time for the preferred term and one time for "subjects with at least one adverse reaction". , This trial was not designed to support comparative claims for ERAXIS for the adverse reactions reported in this table. Adverse Reaction ERAXIS 50 mg N=300 Fluconazole 100 mg N=301 N (%) N (%) Subjects with a least one adverse reaction 239 (80) 227 (75) Infections and infestations 115 (38) 99 (33) Oral candidiasis 15 (5) 10 (3) Gastrointestinal disorders 106 (35) 113 (38) Diarrhea 27 (9) 26 (9) Vomiting 27 (7) 30 (10) Nausea 20 (7) 23 (8) Dyspepsia 20 (7) 21 (7) Blood and lymphatic system disorders 55 (18) 50 (17) Anemia 25 (8) 22 (7) Metabolism and nutrition disorders 50 (17) 46 (15) Hypokalemia 14 (5) 17 (6) General disorders and administration site condition 49 (16) 54 (18) Pyrexia 27 (9) 28 (9) Nervous system disorders 39 (13) 36 (12) Headache 25 (8) 20 (7) Less Common Adverse Reactions in Adult Patients with Candidemia/other Candida Infections and Esophageal Candidiasis The following selected adverse reactions occurred in <2% of patients: Blood and Lymphatic : coagulopathy, thrombocytopenia Cardiac : atrial fibrillation, bundle branch block (right), sinus arrhythmia, ventricular extrasystoles Eye : eye pain, vision blurred, visual disturbance General and Administration Site : i

Warnings

WARNINGS AND PRECAUTIONS • Hepatic Effects : Risk of abnormal liver tests, hepatitis, hepatic failure; monitor hepatic function during therapy. ( 5.1 , 13.2 ) • Hypersensitivity : Anaphylaxis, including shock has been reported. Risk of infusion-related adverse reactions, possibly histamine-mediated, including rash, urticaria, flushing, pruritus, bronchospasm, dyspnea, and hypotension; to reduce occurrence, do not exceed a rate of infusion of 1.1 mg/minute. ( 2.4 , 5.2 ) • Risk of Neonatal Toxicity Associated with Polysorbates : ERAXIS contains polysorbate 80, an inactive ingredient. Thrombocytopenia, renal dysfunction, hepatomegaly, cholestasis, ascites, hypotension and metabolic acidosis haves been reported in low-birth weight infants receiving high doses of polysorbate. ERAXIS is not approved in pediatric patients younger than 1 month of age. ( 5.3 , 8.4 ) • Hereditary Fructose Intolerance (HFI) : ERAXIS contains fructose. Risk of metabolic crisis with life-threatening hypoglycemia, hypophosphatemia, lactic acidosis, and hepatic failure. Obtain history of HFI symptoms in pediatric patients before ERAXIS administration. ( 5.4 , 8.4 ) 5.1 Hepatic Adverse Reactions Laboratory abnormalities in liver tests have been seen in healthy volunteers and pediatric patients treated with ERAXIS. In some patients with serious underlying medical conditions who were receiving multiple concomitant medications along with ERAXIS, clinically significant hepatic abnormalities have occurred. Isolated cases of significant hepatic dysfunction, hepatitis, or hepatic failure have been reported in patients; a causal relationship to ERAXIS has not been established [see Adverse Reactions (6.1) and Nonclinical Toxicology (13.2) ] . Patients who develop abnormal liver tests during ERAXIS therapy should be monitored for evidence of worsening hepatic tests and evaluated for risk/benefit of continuing ERAXIS therapy. 5.2 Anaphylactic and Hypersensitivity Reactions Anaphylactic reactions, including shock were reported with the use of ERAXIS. If these reactions occur, ERAXIS should be discontinued and appropriate treatment administered [see Adverse Reactions (6) ] . Infusion-related adverse reactions, possibly histamine-mediated, have been reported with ERAXIS, including rash, urticaria, flushing, pruritus, bronchospasm, dyspnea, and hypotension [see Adverse Reactions (6) ] . To reduce occurrence of these reactions, do not exceed a rate of ERAXIS infusion of 1.1 mg/minute [see Dosage and Administration (2.4) ] . 5.3 Risk of Neonatal Toxicity Associated with Polysorbates ERAXIS contains polysorbate 80, an inactive ingredient. Thrombocytopenia, renal dysfunction, hepatomegaly, cholestasis, ascites, hypotension, and metabolic acidosis have been reported in low-birth weight infants receiving high doses of polysorbate. Polysorbate toxicity has not been reported with ERAXIS. ERAXIS is not approved in pediatric patients younger than 1 month of age [see Indications and Usage (1.1 , 1.3) , Use in Specific Populations (8.4) ]. 5.4 Risk in Patients with Hereditary Fructose Intolerance (HFI) ERAXIS contains fructose, an inactive ingredient, and may precipitate a metabolic crisis that may include, but is not limited to life-threatening hypoglycemia, hypophosphatemia, lactic acidosis, and hepatic failure in patients with HFI. Obtain careful history of HFI symptoms (nausea, vomiting, abdominal pain) with fructose/sucrose exposure prior to ERAXIS administration because a diagnosis of HFI may not yet be established in pediatric patients [see Contraindications (4) and Use in Specific Populations (8.4) ] .

Frequently asked questions

Is pyrexia a side effect of Anidulafungin?

Yes — pyrexia has been reported as a side effect of Anidulafungin in FDA adverse-event reports (FAERS) and/or its labeling. These are voluntary reports, so they show what's been reported, not how often it happens.

How common is pyrexia with Anidulafungin?

pyrexia is among the more frequently reported events for Anidulafungin in FAERS. Reporting volume isn't a true incidence rate — check the prescribing information for documented frequencies.

What should I do if I have pyrexia while taking Anidulafungin?

Don't stop a prescribed medication on your own. Tell your prescriber or pharmacist — they can tell you whether it's expected, whether it needs attention, and what to do next.

Informational only, drawn from FDA adverse-event reporting (FAERS) and labeling — not medical advice, and not proof a medication caused an effect. Talk to your clinician or pharmacist about any side effect.

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