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Ammonul Side Effects

Generic Name: sodium benzoate / sodium phenylacetate

Note: This page contains information about the side effects of sodium benzoate / sodium phenylacetate. Some of the dosage forms included on this document may not apply to the brand name Ammonul.

Not all side effects for Ammonul may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to sodium benzoate / sodium phenylacetate: intravenous solution

Other dosage forms:

In addition to its needed effects, some unwanted effects may be caused by sodium benzoate / sodium phenylacetate. In the event that any of these side effects do occur, they may require medical attention.

If any of the following side effects occur while taking sodium benzoate / sodium phenylacetate, check with your doctor or nurse immediately:

More common
  • Abdominal or stomach pain or cramps
  • blurred vision
  • decreased urine
  • dry mouth
  • fatigue
  • flushed, dry skin
  • fruit-like breath odor
  • increased hunger
  • increased thirst
  • increased urination
  • irregular heartbeat
  • loss of appetite
  • muscle pain or cramps
  • nausea or vomiting
  • numbness or tingling in the hands, feet, or lips
  • seizures
  • shortness of breath
  • sweating
  • troubled breathing
  • unexplained weight loss
  • unusual tiredness or weakness
Less common
  • Agitation
  • anxiety
  • bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
  • bleeding or oozing from the puncture site, mouth, or nose that continues
  • bloody or cloudy urine
  • bloody, black, or tarry stools
  • confusion
  • coughing that sometimes produces a pink frothy sputum
  • depression
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  • drowsiness
  • feeling, seeing, or hearing things that are not there
  • feeling that others are watching you or controlling your behavior
  • headache
  • lightheadedness
  • mood or mental changes
  • muscle tremors
  • nightmares or unusually vivid dreams
  • pale skin
  • rapid, deep breathing
  • restlessness
  • skin rash
  • sleepiness or unusual drowsiness
  • trouble with breathing when moving or walking
  • unusual bleeding or bruising

Some of the side effects that can occur with sodium benzoate / sodium phenylacetate may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

Less common
  • Diarrhea
  • fever

For Healthcare Professionals

Applies to sodium benzoate / sodium phenylacetate: intravenous solution

General

The most common side effects are vomiting, hyperglycemia, hypokalemia, convulsions, and mental impairment

Gastrointestinal

Very common (10% or more): Gastrointestinal disorders (13%)
Common (1% to 10%): Vomiting (9%), diarrhea (3%), nausea (3%)
Frequency not reported (less than 3%): Abdominal distension, gastrointestinal hemorrhage

Metabolic

Common (1% to 10%): Hyperglycemia (7%), hypokalemia (7%), hyperammonemia (5%), metabolic acidosis (4%), acidosis (3%), hypocalcemia (3%)
Frequency not reported (less than 3%): Alkalosis, dehydration, fluid overload/retention, hypoglycemia, hyperkalemia, hypernatremia, alkalosis, tetany

Nervous system

Very common (10% or more): Nervous system disorders (22%)
Common (1% to 10%): Mental impairment (6%), convulsions (6%), brain edema (5%), coma (3%),
Frequency not reported (less than 3%): Areflexia, ataxia, brain infarction, brain hemorrhage, cerebral atrophy, clonus, depressed level of consciousness, encephalopathy, nerve paralysis, intracranial pressure increased, subdural hematoma, tremor

Hematologic

Very common (10% or more): Blood and lymphatic disorders (11%)
Common (1% to 10%): Anemia (4%), disseminated intravascular coagulation (3%)
Frequency not reported (less than 3%): Coagulopathy, pancytopenia, thrombocytopenia, hemorrhage, phlebothrombosis/thrombosis

Respiratory

Very common (10% or more): Respiratory, thoracic and mediastinal disorders (15%)
Common (1% to 10%): Respiratory distress (3%)
Frequency not reported (less than 3%): Acute respiratory distress syndrome, dyspnea, hypercapnia, hyperventilation, Kussmaul respiration, pneumonia aspiration, pneumothorax, pulmonary hemorrhage, pulmonary edema, respiratory acidosis or alkalosis, respiratory arrest/failure

Psychiatric

Very common (10% or more): Psychiatric disorders (5%)
Common (1% to 10%): Agitation (3%)
Frequency not reported (less than 3%): Acute psychosis, aggression, confusional state, hallucinations

Genitourinary

Common (1% to 10%): Urinary disorders (4%), urinary tract infection (3%)

Dermatologic

Common (1% to 10%): Skin and subcutaneous tissue disorders (6%)
Frequency not reported (less than 3%): Alopecia, blister, generalized pruritus, rash, urticaria

Hepatic

Frequency not reported (less than 3%): Cholestasis, hepatic artery stenosis, hepatic failure/hepatotoxicity, jaundice

Other

Very common (10% or more): General disorders and administration- site conditions (14%), infections (12%), injury, poisoning and procedural complications (12%)
Common (1% to 10%): Pyrexia (5%), injection -site reaction (3%)
Frequency not reported (less than 3%): Asthenia, brain death, chest pain, multiorgan failure, edema, sepsis/septic shock, brain herniation, subdural hematoma, overdose, blood carbon dioxide changes, blood glucose changes, blood pH increased, cardiac output decreased, pCO2 changes, respiratory rate increased

Renal

Common (1% to 10%): Renal disorders (4%)
Frequency not reported (less than 3%): Anuria, renal failure, urinary retention

Ocular

Frequency not reported (less than 3%): Blindness

Oncologic

Frequency not reported (less than 3%): Hemangioma acquired

Cardiovascular

Common (1% to 10%): Cardiac disorders (9%), vascular disorders (6%), hypotension (4%)
Frequency not reported (less than 3%): Atrial rupture, bradycardia, cardiac or cardiopulmonary arrest/failure, cardiogenic shock, cardiomyopathy, pericardial effusion, flushing, hypertension

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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