How to take liquid If you or your child are taking sildenafil as a liquid, 1ml is usually the same as taking a 10mg tablet, but it’s important to always check the medicine label. This product is available in the following dosage forms: Tablet Suspension There is a problem with information submitted for this request. Other uses for this medicine This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. These are commonly prescribed for an enlarged prostate or male pattern baldness. Brand names Why is this medication prescribed? Some examples of nitrates are nitroglycerin Nitro-Dur, Nitrostat, others , isosorbide mononitrate Monoket and isosorbide dinitrate Bidil. Sildenafil may cause side effects. · 10 tips to use sildenafil (aka Viagra) effectively. A set of instructions should be given to patients on sildenafil: A minimum wait of 45 minutes to 1 hour is required between taking the tablet. Sildenafil price. As with all medications, the cost of sildenafil can vary. Factors that may affect the price you’ll pay include your treatment plan, your insurance .  · Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. The penis is one of the areas where this enzyme works.