AdWith RexMD you’re saving time and money with our ED delivery. Get started now. Reliable E.D. meds prescribed by real doctors. Get your free & private online visit today.If you are taking sildenafil for erectile dysfunction, your doctor will probably start you on an average dose of sildenafil and increase or decrease your dose depending on your response to the medication. 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. Talk to your doctor if you take too much sildenafil and you’re worried about any of these side effects: headaches. What should I do if I forget a dose? Other uses for this medicine This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.What is erectile dysfunction? Erectile dysfunction (ED) is a condition where a lack of blood flow or nerve stimulation affects you getting and maintaining erections. It can be caused by a range of physical and psychological conditions like stress, anxiety, or depression. ED could also be the first sign of other health conditions too, like. VIAGRA can cause your blood pressure to drop suddenly to an unsafe level if taken with certain other medicines. Do not take VIAGRA if you take any other medicines called “nitrates.” Nitrates are used to treat chest pain (angina). A sudden drop in blood pressure can cause you to feel dizzy, faint, or have a heart attack or stroke. AdGet a Prescription for ED treatment, discreetly deliverED to your ive Offers · How It Works · Get More InfoTypes: Finasteride · Tadalafil · Sildenafil.Kidney disease, severe or Liver disease, severe—Use with caution. Different brands may not work the same way. Never take 2 doses at the same time. Sildenafil belongs to a group of medicines called phosphodiesterase 5 PDE5 inhibitors. By controlling the enzyme, sildenafil helps to maintain an erection after the penis is stroked.