Gantanol

Last updated on RxList: 4/2/2020
Gantanol Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

What Is Gantanol?

Gantanol (sulfamethoxazole) is an antibacterial sulfonamide used to treat urinary tract infections (UTIs), meningitis, ear infections, and eye infections. The brand name Gantanol is discontinued, but generic versions may be available.

What Are Side Effects of Gantanol?

Common side effects of Gantanol (sulfamethoxazole) include:

Dosage for Gantanol

To treat severe Infections the dose of Gantanol is 4 tablets (2 g) initially, followed by 2 tablets (1 g) three times daily thereafter.

What Drugs, Substances, or Supplements Interact with Gantanol?

Gantanol may interact with:

Tell your doctor all medications and supplements you use.

Gantanol During Pregnancy and Breastfeeding

During pregnancy, Gantanol should be used only if prescribed. This drug passes into breast milk. Breastfeeding is not recommended while using this drug.

Additional Information

Our Gantanol (sulfamethoxazole) 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.

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Gantanol Professional Information

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SIDE EFFECTS

Included in the listing that follows are adverse reactions that have not been reported with this specific drug; however, the pharmacologic similarities among the sulfonamides require that each of the reactions be considered with Gantanol (sulfamethoxazole) administration.

Hematologic: Agranulocytosis, aplastic anemia, thrombocytopenia, leukopenia, hemolytic anemia, purpura, hypoprothrombinemia, methemoglobinemia, neutropenia, eosinophilia.

Allergic Reactions: Anaphylaxis, allergic myocarditis, serum sickness, conjunctival and scleral injection, generalized allergic reactions. In addition, periarteritis nodosa and systemic lupus erythematosus have been reported.

Dermatologic: Stevens-Johnson syndrome, epidermal necrolysis, erythema multiforme, exfoliative dermatitis, photosensitivity, pruritus, urticaria, rash, generalized skin eruptions.

Gastrointestinal: Hepatitis, hepatocellular necrosis, pseudomembranous enterocolitis, pancreatitis, stomatitis, glossitis, nausea, emesis, abdominal pain, diarrhea, anorexia.

Genitourinary:Creatinine elevation, toxic nephrosis with oliguria and anuria. The frequency of renal complications is considerably lower in patients receiving the more soluble sulfonamides.

Neurologic: Convulsions, peripheral neuritis, ataxia, vertigo, tinnitus, headache.

Psychiatric: Hallucinations, depression, apathy.

Endocrine: The sulfonamides bear certain chemical similarities to some goitrogens, diuretics (acetazolamide and the thiazides) and oral hypoglycemic agents. Cross-sensitivity may exist with these agents. Diuresis and hypoglycemia have occurred rarely in patients receiving sulfonamides.

Musculoskeletal: Arthralgia, myalgia.

Respiratory: Pulmonary infiltrates.

Miscellaneous: Edema (including periorbital), pyrexia, chills, weakness, fatigue, insomnia.

Read the entire FDA prescribing information for Gantanol (Sulfamethoxazole)

SLIDESHOW

Digestive Disorders: Common Misconceptions See Slideshow

© Gantanol Patient Information is supplied by Cerner Multum, Inc. and Gantanol Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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