Zydena is used for the treatment of erectile dysfunction in men. It is not for use in women or children. You should take the medication exactly as prescribed by your doctor. For most patients, the recommended starting dose of Zydena in male adults is 100 mg, taken orally approximately 30 minutes to 12 hours before sexual activity. The maximum recommended dosing frequency is once per day. Before using Zydena inform your doctor if you have or have had heart problems such as a heart attack, irregular heartbeat, angina, or heart failure, have had heart surgery within the last 6 months, have had a stroke, low blood pressure, or high blood pressure that is not controlled, have a deformed penis shape, or have had an erection that lasted for more than 4 hours.
The generic equivalent of Zydena is Udenafil and it comes from India also called Zudena manufactured by Sunrise Remedies. The generic equivalent of Zydena (Udenafil) is available as tablets in the dosage forms of 100 mg.
Stop taking Zydena and call your doctor at once if you have one of these serious side effects:
• Increase erection
• Nasal haemorrhage
• Postural dizziness
• Respiratory distress in exercise
Less serious side effects include headache, flushing, drowsiness, ear daze, eye discomfort, head discomfort, feeling cold, feeling dim, diarrhea, cough palpitation. Please call your doctor if you have any further concerns or questions.
Do not use the medication if you Do not use Zydena if you take medicines called “nitrates”, use street drugs called “poppers” such as amyl nitrate and butyl nitrate, are allergic to Udenafil or any of the ingredients in Zydena, have heart disease, high or low blood pressure, are using a medication called riociguat, had a previous episode of non-arteritic anterior ischemic optic neuropathy (NAION), suffer from hereditary degenerative retinal disorders such as retinitis pigmentosa, have liver disorders, have genetic problems such as galactose intolerance, Lapp lactase deficiency, or glucose-galactose malabsorption as this medication contains lactose. As Zydena can cause dizziness, drowsiness and blurred vision, patients taking Zydena should be cautious while driving or operating machinery. Zydena can interact with medications such as nitrates, HIV protease inhibitors, like ritonavir, indinavir, saquinavir or atazanir, oral antifungal medicines, such as ketoconazole (Nizoral), and itraconozale, antibiotics, such as clarithromycin, telithromycin, or erythromycin, alpha blockers such as terazosin, tamsulosin HCl, doxazosin, prazosin HCl, alfuzosin HCl, dutasteride and tamsulosin HCl, or silodosin, medicines that treat high blood pressure, anticonvulsants such as phenobarbital, other medicines or treatments for erectile dysfunction, cimetidine (an antacid), grapefruit juice.