Edafil 20mg Tablet 4s belongs to the group of medicines called phosphodiesterase type-5 inhibitors primarily used to treat erectile dysfunction. Erectile dysfunction is the inability to keep a hard and erect penis suitable for sexual activity. Edafil 20mg Tablet 4s does not prevent pregnancy or the spread of sexually transmitted diseases. It does not increase sexual desire or cure erectile dysfunction. 
 
Edafil 20mg Tablet 4s contains ‘vardenafil’, which works by relaxing the blood vessels in the penis, thereby allowing the blood to flow into the penis when the person is sexually excited. It reduces the action of natural chemicals in the body, which makes erections go away. Thereby, Edafil 20mg Tablet 4s helps treat erectile dysfunction. Edafil 20mg Tablet 4s helps the person to get an erection only if he is sexually stimulated.
 
You are advised to take Edafil 20mg Tablet 4s for as long as your doctor has prescribed it for you, depending on your medical condition. In some cases, you may experience certain common side-effects such as headache, dizziness, flushing, indigestion, and runny nose. Most of these side effects do not require medical attention and will resolve gradually over time. However, you are advised to talk to your doctor if you experience these side effects persistently.
 
Do not take Edafil 20mg Tablet 4s if you are taking nitrates (used to treat angina), or riociguat (used to treat pulmonary hypertension); if you have heart problems/stroke or low blood pressure. Edafil 20mg Tablet 4s is not intended for use in women. Edafil 20mg Tablet 4s may cause dizziness, so drive with caution. Avoid consuming alcohol as it might make erectile difficulties worse. Edafil 20mg Tablet 4s is not recommended for children below 18 years. Keep your doctor informed about your health condition and the medicines you are taking to avoid unpleasant side effects.

Edafil 20mg Tablet 4s belongs to the group of medicines called phosphodiesterase type-5 inhibitors primarily used to treat erectile dysfunction (impotence). Edafil 20mg Tablet 4s works by relaxing the blood vessels in the penis, thereby allows the blood to flow into the penis when the person is sexually excited. It reduces the action of natural chemicals in the body, which make erections go away. Thereby, Edafil 20mg Tablet 4s helps treat erectile dysfunction. Edafil 20mg Tablet 4s helps the person to get an erection only if he is sexually stimulated.

• Headache
• Dizziness
• Flushing
• Indigestion
• Runny nose 
• Nausea
• Back pain
• Stomach upset

Do not take Edafil 20mg Tablet 4s if you are allergic to any of its components; if you are taking nitrates (used to treat angina), riociguat (used to treat pulmonary hypertension), medicines used to treat HIV, if you are over 75 years and are taking antifungal medicines; if you have/had severe heart problems or liver problems, kidney dialysis, recently had a heart attack or stroke, low blood pressure, degenerative eye diseases, or non-arteritic ischemic optic neuropathy. Inform your doctor if you have heart problems, irregular heart rhythm, priapism (prolonged erection), sickle cell anaemia, multiple myeloma, leukaemia, epilepsy, deformed penis shape, low levels of potassium in the blood, stomach ulcers, or bleeding disorders. Consult your doctor immediately if you experience decreased vision, loss of vision or colour vision changes whilst taking Edafil 20mg Tablet 4s. Edafil 20mg Tablet 4s is not intended for use in women and children below 18 years. Edafil 20mg Tablet 4s may cause dizziness, so drive with caution.

Drug-Drug Interactions: Edafil 20mg Tablet 4s may interact with anti-angina medicines (nitroglycerin, amyl nitrite, butyl nitrate), a vasodilator (riociguat), anti-arrhythmic (quinidine, procainamide, amiodarone, sotalol), antifungal (ketoconazole, itraconazole), alpha-blocker (tamsulosin, terazosin, alfuzosin), anti-HIV (ritonavir, indinavir), calcium channel blocker (nifedipine).  Inform your doctor if you are taking St. John’s wort (a herbal supplement).

Drug-Food Interactions: Grapefruit might interact with Edafil 20mg Tablet 4s leading to unwanted side effects. Therefore, avoid consumption of grapefruit or grapefruit juice while taking Edafil 20mg Tablet 4s.

Drug-Disease Interactions: Inform your doctor if you have heart problems or liver problems, kidney dialysis, recently had a heart attack or stroke, low blood pressure, degenerative eye diseases, or non-arteritic ischemic optic neuropathy (loss of vision due to damage to optic nerve).

• NITROGLYCERIN
• AMYL NITRITE
• RIOCIGAUT
• QUINIDINE
• PROCAINAMIDE
• AMIODARONE
• SOTALOL
• KETOCONAZOLE
• ITRACONAZOLE
• TAMSULOSIN
• TERAZOSIN
• ALFUZOSIN
• RITONAVIR
• INDINAVIR
• NIFEDIPINE

• Maintaining a healthy weight, eating a balanced diet, and regular exercising may help you manage erectile dysfunction. 
• Avoid the consumption of alcohol, as it might make erectile difficulties worse.
• Avoid the usage of tobacco.
• Share intimate time with your partner.
• Stay sexually active to prevent further problems with erectile dysfunction.

• Do not take Edafil 20mg Tablet 4s more than once in a day. Take Edafil 20mg Tablet 4s only as prescribed by the doctor.
• Talk to your doctor if the erection persists for greater than four hours or if you have a painful erection.

Erectile dysfunction: It is the inability to keep a hard and erect penis suitable for sexual intercourse. It could be a sign of physical or psychological conditions such as fear of sexual failure, anxiety, depression, low self-esteem, or stress. Certain health-related factors such as smoking, drinking, being overweight, being physically inactive, and high blood pressure also contribute to erectile dysfunction. Symptoms of erectile dysfunction include difficulty in getting an erection, difficulty in maintaining the erection during intercourse and decreased sexual desire.