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Pyriamid Brand names, Pyriamid Analogs

Pyriamid Brand Names Mixture

  • Foot Rot Boluses (Ethylenediamine Dihydroiodide + Sulfapyridine)
  • Neutral Sulfa 50 (Sulfamethazine + Sulfapyridine + Sulfathiazole)
  • Neutral Sulfa 7 (Sulfamethazine + Sulfapyridine + Sulfathiazole)
  • Trisulfa G Liq (Sulfamethazine + Sulfapyridine + Sulfathiazole)

Pyriamid Chemical_Formula


Pyriamid RX_link

No information avaliable

Pyriamid fda sheet

Pyriamid msds (material safety sheet)

Pyriamid MSDS

Pyriamid Synthesis Reference

No information avaliable

Pyriamid Molecular Weight

249.29 g/mol

Pyriamid Melting Point

192 oC

Pyriamid H2O Solubility

268 mg/L

Pyriamid State


Pyriamid LogP


Pyriamid Dosage Forms


Pyriamid Indication

For the treatment of dermatitis herpetiformis, benign mucous membrane pemphigoid and pyoderma gangrenosum

Pyriamid Pharmacology

Sulfapyridine is a sulfonamide antibiotic. The sulfonamides are synthetic bacteriostatic antibiotics with a wide spectrum against most gram-positive and many gram-negative organisms. However, many strains of an individual species may be resistant. Sulfonamides inhibit multiplication of bacteria by acting as competitive inhibitors of p-aminobenzoic acid in the folic acid metabolism cycle. Bacterial sensitivity is the same for the various sulfonamides, and resistance to one sulfonamide indicates resistance to all. Most sulfonamides are readily absorbed orally. However, parenteral administration is difficult, since the soluble sulfonamide salts are highly alkaline and irritating to the tissues. The sulfonamides are widely distributed throughout all tissues. High levels are achieved in pleural, peritoneal, synovial, and ocular fluids. Although these drugs are no longer used to treat meningitis, CSF levels are high in meningeal infections. Their antibacterial action is inhibited by pus.

Pyriamid Absorption

approximately 60-80%

Pyriamid side effects and Toxicity

ORL-RAT 15800 mg/Kg

Pyriamid Patient Information


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Pyriamid Organisms Affected

Humans and other mammals