This means you are unlikely to get side effects long term. In rare cases, some side effects could be long term. For example, if you get a prolonged erection that does not go away after 4 hours, this could make your erectile dysfunction worse. You should get treatment straight away if this happens. Sildenafil can also cause vision problems but The combination can cause dangerously Levitra takes about 30 minutes to start working and the effects last a little longer than Viagra, about 5 hours. Side effects are not common, but they Levitra also wins out over Viagra when it comes to side effects: it doesn’t cause vision problems or limb pain. It comes in doses ranging from 5 mg up to 20, as well as more easy-to-hide tablets The goal of this treatment is to produce an erection that lasts about 20 to 30 minutes. If an erection lasts longer than one hour, you'll need to have the medicine or dose changed. This lowers the risk of long-term health problems. Self-injections can cause side effects. You might have bleeding from the shot. These are just a few of the more common side effects reported by people who took Viagra in clinical trials: flushing indigestion nasal congestion vision problems headache* Smoking—May increase the chance for a serious side effect in the eye called NAION. Angina (severe chest pain), unstable or. Arrhythmia (irregular heartbeat, within the last 6 months) or. Blood vessel problems (eg, aortic stenosis, idiopathic subaortic stenosis) or. Congestive heart failure or. loss of memory. multiple swollen and inflamed skin lesions. muscle pain, cramps, stiffness, tenderness, or wasting. problems with memory. redness, pain, or swelling of the eye, eyelid, or inner lining of the eyelid. runny nose. sensation of spinning. sensitivity to light. sleepiness or unusual drowsiness. fever. irregular heartbeat. lightheadedness, dizziness, or fainting. painful or difficult urination. rapid weight gain. sore throat. sores, ulcers, or white spots on the lips or in the mouth. swollen glands. tightness in the chest. KO2oX3e.

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