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Chemotherapeutic agents (Sulphonamides: static (Rapidly absorbed, rapidly…
Chemotherapeutic agents
Sulphonamides: static
Rapidly absorbed, rapidly exec
Sulfadiazine, sulfaisoxazole
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sulfadiazine rapid abosrb, csf so treat meningitis
rapidly abosrbed, slowly execreted
sulfamethoxazole: in co-trimoxazole. typhoid, gonorrhea, brucellosis
non-absorbable
Sulfasuccidine, succinyl- and pthalylsulfathiazole
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for special use
sulfacetamide. not systemic. penetrates eye, eye drops and ointments
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Imidazoles
Antianaerobic: Metronidazole, clostridia, baceroides,protozoa
Anti-fungal
Clotrimazole, econazole, miconazole, ketoconazole
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Oxazolidinones
Linezolid
Serious g+Ve infections. Strep, VRE, MRSA
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Antifungals
Topical
Polyenes
amphotericin, nystatin, natamycin
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imidazoles
clotrimazole, miconazole, econazole for tinea and candida
Systemic
Amphotericin B for invasive yeast and dimorphic fungi. kidney damage, reduced by liposome
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Ketoconazole oral and miconazole IV for histoplasmosis, chronic and invasive candida and dermatophytes
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Anti-TB
Firstline
Rifampicin: most potent, SE hepatitis
Isoniazid: SE hepatitis, peripheral neuritis
Ethambutol: not used alone, support drug
Second-line
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Pyrazinamide: penetrate CSF, tb meningitis
Thiacetazone: SE hepatitis, hemolytic anemia
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