Are Gantanol and Silvadene the Same Thing?
Gantanol (sulfamethoxazole) and Silvadene Cream 1% (silver sulfadiazine) are antibiotics used to treat different types of bacterial infections.
- Gantanol is used to treat urinary tract infections (UTIs), meningitis, ear infections, and eye infections.
- Silvadene Cream 1% is a topical (for the skin) antibiotic used to treat or prevent infections on areas of burned skin.
- The brand name Gantanol is discontinued, but generic versions may be available.
- Gantanol and Silvadene are different types of antibiotics. Gantanol is an antibacterial sulfonamide (a “sulfa” drug) and Silvadene is a topical (for the skin) antibiotic.
- Side effects of Gantanol and Silvadene that are similar include upset stomach.
- Side effects of Gantanol that are different from Silvadene include dizziness, headache, lethargy, diarrhea, weight loss, loss of appetite, nausea, vomiting, and rash.
- Side effects of Silvadene that are different from Gantanol include pain, burning, or itching of the treated skin, and discoloration (brown/gray/blue) of skin and mucous membranes (such as the gums).
- Gantanol may interact with diuretics, anticoagulants, phenytoin, and methotrexate.
- Silvadene may interact with cimetidine.
What Are Possible Side Effects of Gantanol?
Common side effects of Gantanol (sulfamethoxazole) include:
- dizziness,
- headache,
- lethargy,
- diarrhea,
- weight loss (anorexia),
- loss of appetite,
- nausea,
- vomiting, upset stomach, and rash

SLIDESHOW
Fungal Skin Infections: Types, Symptoms, and Treatments See SlideshowWhat 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 Is Silvadene?
What Drugs Interact With Gantanol?
Gantanol may interact with:
- diuretics,
- anticoagulants,
- phenytoin, or
- methotrexate
Tell your doctor all medications and supplements you use.
What Drugs Interact With Silvadene?
How Should Gantanol Be Taken?
To treat severe Infections the dose of Gantanol is 4 tablets (2 g) initially, followed by 2 tablets (1 g) three times daily thereafter.

QUESTION
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https://www.medicinenet.com/sulfamethoxazole/article.htm
Pfizer. Silvadene Cream Product Information.
https://www.pfizermedicalinformation.com/en-us/silvadene-cream/storage-handling