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Ascend Laboratories, LLC
Ivax Pharmaceuticals, Inc.
Kendall Healthcare Products Company
Major Pharmaceuticals, Inc
Par Pharmaceutical, Inc.
Preferred Pharmaceuticals, Inc.
Qualitest Pharmaceuticals, Inc,
Rebel Distributors Corp..
The Pharma Network LLC
The PharmaNetwork, LLC
How should I use Thermazene (silver sulfadiazine topical)?
Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended.
Wash your hands before and after applying silver sulfadiazine cream.
The person applying silver sulfadiazine to burn wounds should wear sterile disposable gloves. Take care to keep the treatment area as clean as possible to prevent further infection.
Clean the area to be treated as directed by your doctor. Apply enough silver sulfadiazine to cover the affected area evenly. This medicine should be applied in a layer about one 16th (1/16) of an inch thick, or 1.6 millimeters.
If needed, apply more cream to replace any medicine that has come off on bandages, clothing, or bed linens. Reapply the cream after bathing or water therapy.
Silver sulfadiazine cream is usually applied 1 or 2 times daily. Burn wounds must be kept covered with this medicine at all times. Treated skin areas can be left uncovered, or you may use a gauze bandage if directed by your doctor.
While using silver sulfadiazine topical, you may need frequent blood tests. Your kidney function may also need to be tested.
Use this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics.
Store at room temperature away from moisture and heat.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of infection like fever, chills, very bad sore throat, ear or sinus pain, cough, more sputum or change in color of sputum, pain with passing urine, mouth sores, or wound that will not heal.
- Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Blood in the urine.
- Not able to pass urine.
- Any unexplained bruising or bleeding.
- Feeling very tired or weak.
- Very bad belly pain.
- Very bad skin irritation.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
How do I store and/or throw out Thermazene?
- Store at room temperature.
- Protect from heat.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
Thermazene - Clinical Pharmacology
Silver sulfadiazine has broad antimicrobial activity. It is bactericidal for many gram-negative and gram-positive bacteria as well as being effective against yeast. Results from in vitro testing are listed below.
Sufficient data have been obtained to demonstrate that silver sulfadiazine will inhibit bacteria that are resistant to other antimicrobial agents and that the compound is superior to sulfadiazine.
Studies utilizing radioactive micronized silver sulfadiazine, electron microscopy, and biochemical techniques have revealed that the mechanism of action of silver sulfadiazine on bacteria differs from silver nitrate and sodium sulfadiazine. Silver sulfadiazine acts only on the cell membrane and cell wall to produce its bactericidal effect.
|Results of in Vitro Testing With |
Silver Sulfadiazine Cream, USP 1% Concentration
of Silver Sulfadiazine Number of Sensitive
Strains / Total Number of Strains Tested
|Genus and Species||50 µg/mL||100 µg/mL|
|Xanthomonas (Pseudomonas) Maltophilia||7/7||7/7|
Silver sulfadiazine is not a carbonic anhydrase inhibitor and may be useful in situations where such agents are contraindicated.
Indications and Usage for Thermazene
Thermazene® is a topical antimicrobial drug indicated as an adjunct for the prevention and treatment of wound sepsis in patients with second and third degree burns.
Thermazene® is contraindicated in patients who are hypersensitive to silver sulfadiazine or any of the other ingredients in the preparation.
Because sulfonamide therapy is known to increase the possibility of kernicterus, Thermazene® should not be used on pregnant women approaching or at term, on premature infants, or on newborn infants during the first 2 months of life.
Several cases of transient leukopenia have been reported in patients receiving silver sulfadiazine therapy.1,2,3 Leukopenia associated with silver sulfadiazine administration is primarily characterized by decreased neutrophil count. Maximal white blood cell depression occurs within two to four days of initiation of therapy. Rebound to normal leukocyte levels follows onset within two to three days. Recovery is not influenced by continuation of silver sulfadiazine therapy. An increased incidence has been seen in patients treated concurrently with cimetidine.
Other infrequently occurring events include skin necrosis, erythema multiforme, skin discoloration, burning sensation, rashes, and interstitial nephritis.
Reduction in bacterial growth after application of topical antibacterial agents has been reported to permit spontaneous healing of deep partial-thickness burns by preventing conversion of the partial thickness to full thickness by sepsis. However, reduction in bacterial colonization has caused delayed separation, in some cases necessitating escharotomy in order to prevent contracture.
Thermazene Dosage and Administration
Prompt institution of appropriate regimens for care of the burned patient is of prime importance and includes the control of shock and pain. The burn wounds are then cleansed and debrided, Thermazene® is then applied under sterile conditions. The burn areas should be covered with Thermazene® at all times. The cream should be applied once to twice daily to a thickness of approximately one sixteenth of an inch. Whenever necessary, the cream should be reapplied to any areas from which it has been removed by patient activity. Administration may be accomplished in minimal time because dressings are not required. However, if individual patient requirements make dressings necessary, they may be used.
Reapply immediately after hydrotherapy. Treatment with Thermazene® should be continued until satisfactory healing has occurred or until the burn site is ready for grafting. The drug should not be withdrawn from the therapeutic regimen while there remains the possibility of infection except if a significant adverse reaction occurs.
- Caffee F, Bingham H. Leukopenia and silver sulfadiazine. J Trauma. 1982;22: 586–587.
- Jarret F, Ellerbe S, Demling R. Acute leukopenia during topical burn therapy with silver sulfadiazine. Amer J Surg. 1978;135:818–819.
- Kiker RG, Carvajal HF, Micak RP, Larson DL. A controlled study of the effects of silver sulfadiazine on white blood cell counts in burned children. J Trauma. 1977; 17:835–836.