Drug Identity
Active Ingredient
Silver Sulphadiazine
Chemical Class
Sulphonamide
Pharmacological Group
on the basis of mechanism of action and also cl...
What is Burnaid?
Uses
Sulphadiazine is antibacterial agent, belongs to Sulphonamide. It has a broad spectrum of activity, effective against gram positive, gram...
How It Works
Chemical Class
Sulphonamide
Pharmacological Group
on the basis of mechanism of action and also classified in Antibacterial pharmacological group
Sulphadiazine also known as Sulfadiazine. It is of Synthetic origin and belongs to Sulphonamide. It belongs to Dihydropteroate synthetase inhibitor pharmacological group on the basis of mechanism of action and also classified in Antibacterial pharmacological group. The Molecular Weight of Sulphadiazine is 250.30. It is weakly alkaline drug, 4.24% solution of the drug is isotonic and Its pKa is 6.4.
How to Take It
1
Adult · PO
0.5 to 1 g — 6 hourly
In Conjuction with pyrimethamine 25mg/day and with suplemental folinic acid. Doses could be given 2-4g/day in 3-6 divided doses.
2
Child · Oral
25 mg/kg — 6 hourly
Maintenance after 2 day IV maintenance doses
3
Child · Oral
37.5 mg/kg — 6 hourly
4
Child · Slow IV
25 mg/kg — 6 hourly
Maintenance for 2 Days
5
Child · Slow IV
50 mg/kg — 6 hourly
Initial
Safety Alerts
Sulphadiazine is contraindicated in conditions like Renal failure, Porphyrias, Hepatic failure,G6pd deficiency
Important Warnings
Sulphadiazine should be used with caution in patients with liver or kidney disease, blood disorders or of any drug allergy
This may makes patients more prone to sunburn, wear protective clothing and (PABA-free) sunscreen when outdoors
It should be used only if clearly needed during pregnancy or lactation
Side Effects
The severe or irreversible adverse effects of Sulphadiazinewhich give rise to further complications include GranulocytopeniaNephrotic syndromeSerum sickness like illness. Sulphadiazine produces potentially life-threatening effects which include Stevens Johnson syndrome. which are responsible for the discontinuation of Sulphadiazine therapy. The signs and symptoms that are produced after the acute overdosage of Sulphadiazine include Crystalluria. The symptomatic adverse reactions produced by Sulphadiazine are more or less tolerable and if they become severethey can be treated symptomaticallythese include DizzinessHeadacheNauseaVomitingRashesReversible oligospermiaAnorexiaGastric distressPhotosensitivityAplastic anemia
Drug Interactions
Sulphadiazine is known to interact with other drugs
the details of drug interactions is as follows:DrugDetailsSeverityOnsetManagementAscorbic AcidChlorpropamideMethotrexatePhenytoin (Na)ProcaineDecreased effect of sulfonamides with the PABA metabolite of procaine.PyrimethamineTolbutamideTorasemideSulphadiazine
a strong CYP2C9 inhibitor
may increase the serum concentration of Torasemide
a CYP2C9 substrate
by decreasing Torasemide metabolism and clearance. Consider alternate therapy or monitor for changes in the therapeutic and adverse effects of Torasemide if Sulphadiazine is initiated
discontinued or dose changed.TrimethoprimWarfarin (Na)Sulphadiazine may decrease the metabolism of Warfarin.ModerateConsider an alternative drug in order to avoid toxicity of Warfarin. Some combinations are specifically contraindicated by manufacturers. Suggested dosage adjustments are also offered by some manufacturers. Please review applicable package inserts. Monitor for increased effects of Warfarin if Sulphadiazine is initiated/dose increased
and decreased effects if Sulphadiazine is discontinued/dose decreased. These interactions are sometimes beneficial and sometimes may pose threats to life. Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Storage
Tab, Inj Protect from Sunlight.
Price Intelligence
Rs 180.85
DRAP approved maximum price · per 50gm · approved 27 Jul, 2026
No retail price observed for this pack. Retailers may not exceed the approved maximum.
Prices across sources
DRAPper 50gmRs 180.85
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Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
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