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DR Medhat MRCP

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(Human papilloma virus)<br />

UTI in woman<br />

Solitary, keratinized : cryotherapy<br />

If resistant : imiquimod topical cream.<br />

Non-pregnant : trimethoprim or nitrofurantoin x 3days<br />

If pregnant : amoxycillin or cephalosporins x7 days.<br />

Diarrhea<br />

Traveller`s diarrhea (E.coli ,watery diarrea + ms cramps + abdominal pain) :<br />

Ciprofloxacin or erythromycin<br />

Cholera (profuse rice water diarrhoea) :<br />

Ciprofloxacin or doxicyclin.<br />

Shigella (bloody diarrhea, abd. Pain) : Ciprofloxacin<br />

Giardiasis (non-bloody diarrhea) : Metronidazole.<br />

Antiviral agents<br />

Drug Mechanism of action Indications Adverse effects/toxicity<br />

Aciclovir<br />

Guanosine analog,<br />

HSV, VZV<br />

Crystalline nephropathy<br />

phosphorylated by<br />

thymidine kinase which<br />

in turn inhibits the viral<br />

DNA polymerase<br />

Ganciclovir<br />

Guanosine analog,<br />

CMV<br />

Myelosuppression/agranulocytosis<br />

phosphorylated by<br />

thymidine kinase which<br />

in turn inhibits the viral<br />

DNA polymerase<br />

Foscarnet<br />

Pyrophosphate analog<br />

CMV, HSV if<br />

1. Nephrotoxicity<br />

which inhibits viiral DNA<br />

not<br />

2. Hypocalcaemia<br />

polymerase<br />

responding to<br />

3. Hypomagnasaemia<br />

aciclovir<br />

4. Seizures<br />

60

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