The Viagra mg price starts at £ for 4 tablets, on up to £ for 64 tablets here at UK Meds. For the best price of blue Viagra pills, order a larger quantity. The price of Viagra goes from £ when buying only 4 tablets, to .Counterfeit medicines can be very dangerous. You need to be sexually excited for it to work. What alternatives can I use for erectile dysfunction? Sildenafil may not be safe to take for people with certain medical conditions including: a past history of stroke or heart attack in the last 6 months retinitis pigmentosa an eye disease It can also interact with many other medicines, particularly nitrates used in heart disease , amyl nitrite and blood pressure medicines. Take sildenafil up to 4 hours before you want to have sex. Prolonged erections can be dangerous. Especially tell your healthcare provider if you take any of the following: medicines called nitrates medicines called guanylate cyclase stimulators such as Adempas riociguat medicines called alpha-blockers, such as Hytrin terazosin HCl , Flomax tamsulosin HCl , Cardura doxazosin mesylate , Minipress prazosin HCl , Uroxatral alfuzosin HCl , Jalyn dutasteride and tamsulosin HCl , or Rapaflo silodosin.The recommended dosage of Viagra for erectile dysfunction (ED) is 50 mg, taken as needed about 1 hour before sexual activity. You can take it 30 minutes to 4 hours before sexual activity. And you. From £ £ / tablet. g. Order Viagra Connect (Sildenafil) 50mg from LloydsPharmacy with free delivery or Click & Collect, safe and conveniently online.  · Is Viagra prescribed in dosages of mg, mg, or mg? The highest recommended Viagra dose for treating erectile dysfunction (ED) is mg per day, according to the drug’s manufacturer.Read more on male sexual health on the Sexual Health Australia site. 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. Dosage and strength for erectile dysfunction Sildenafil tablets for erectile dysfunction come in different strengths ranging from 25mg to mg. It is not recommended for use in Australia. There are many other treatments for erectile dysfunction. The combination can cause a dangerous fall in your blood pressure. It affects the way the medicine works.