viagra clones
THE FOLLOWING IS A LIST OF SOME COMMONLY PRESCRIBED NITRATES 
If you take one of these medicines
DO NOT TAKE SILAGRA or VIAGRA
(Note: This is not a comprehensive list. It is not meant to be all-inclusive.)

 
DRUG MANUFACTURER
NITROGLYCERIN 
    Deponit, Top Nitro     
    Nitroderm TTS, 
    Myovin (transdermal)  Schwarz Pharma, Inc. 
    Minitran  3M Pharmaceuticals
    Nitrek  Bertek Pharameuticals, Inc.
    Nitro-Bid  Hoechst Marion Roussel
    Nitrodisc  G.D. Searle Company
    Nitro-Dur  Key Pharmaceuticals, Inc.
    Nitrogard  Forest Pharmaceuticals, Inc.
    Nitroglyn  Kenwood Laboratories
    Nitrolingual Spray
    GTN Spray 
Rhone-Poulenc Rorer Pharmaceuticals, Inc.
    Nitrol Ointment (Appli-Kit)  Savage Laboratories
    Nitrong  Rhone-Poulenc Rorer Pharmaceuticals, Inc.
    Nitro-Par  Parmed Pharmaceuticals
    Nitrostat  Parke-Davis
    Nitro-Time  Time-Cap Laboratories
    Transderm-Nitro  Novartis Pharmaceuticals Corporation
ISOSORBIDE MONONITRATE 
    Monotrate, Vasotrate,
    Ismo, Imdur, Angicor
    Imdur  Key Pharmaceuticals, Inc.
    Ismo  Wyeth-Ayerst Laboratories
    Monoket Tablets  Schwarz Pharma, Inc.
ISOSORBIDE DINITRATE 
    Dilatrate -SR  Schwarz Pharma, Inc.
    Isordil  Wyeth-Ayerst Laboratories
    Sorbitrate  Zeneca Pharmaceuticals
TRANSDERMAL NITROGLYCERIN PATCHES OR OINTMENTS
Nitroderm TTS, Top Nitro Myovin
ERYTHATYL TETRANITRATE 
PENTAERYTHRITOL TETRANITRATE 
SODIUM NITROPRUSSIDE 

Substances such as amyl nitrate (poppers), which are sometimes abused, should never be combined with SILAGRA, other Viagraclones or VIAGRA
It is however not contraindicated with nitrates found in foods.
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