Avanafil is used to induce and maintain an erection in cases of erectile dysfunction.
What is Avanafil?
Avanafil acts by promoting the increase of blood flow in the penis, before and after sexual stimulation.
How should Avanafil be taken?
Avanafil is administered orally in the form of tablets.
Side effects associated with Avanafil
In rare cases, Avanafil can cause anterior ischemic optic neuropathy.
Among the most common adverse effects are included:
- Back ache
- Dizziness
- Redness
- Headache
- Mild sore throat
- Stuffy nose
You should immediately contact a doctor if taking Avanafil triggers any of the following symptoms:
- Rash
- Urticaria
- Itchy skin
- Difficult breathing
- Pain or a feeling of tightness in the chest
- Swelling of the mouth, face, lips, or tongue
- Fainting
- Fast or irregular heartbeat
- Prolonged or painful erection
- Tinnitus
- Severe or persistent dizziness
- Severe or persistent vision problems
- Sudden decrease or loss of hearing
- Sudden decrease or loss of sight in one or both eyes
Contraindications and warnings associated with the use of Avanafil
Avanafil can potentially affect the ability to drive or operate hazardous machinery, especially if taken in combination with alcohol or other drugs. It may also cause dangerous dizziness and fainting when standing up from a sitting or lying position, especially in the morning, when it's hot, if you have a fever, if you drink alcohol or while exercising.
Avanafil is contraindicated in the presence of certain kidney, liver or heart disorders and if you are taking other medicines for erectile dysfunction (nitrates, nitroprusside, atanazavir, boceprevir, clarithromycin, indinavir, itraconazole, ketoconazole, mifepristone, nefazodone, nelfinavir, ritonavir, saquinavir, telaprevir, telithromycin and voriconazole).
Moreover, before starting the treatment it is important to tell your doctor if:
- You have any allergies to the active substance, its excipients, other drugs, food or any other substance
- You are taking other medications, herbal remedies and supplements, in particular alpha-blockers, azole antifungals, fosaprepitant and aprepitant, diltiazem, macrolide antibiotics, mifepristone, nefazodone, protease inhibitors, drugs for high blood pressure, nitrates, nitroprusside, carbamazepine, idantonine, phenobarbital, primidone, and St. John's wort rifamycins
- You suffer (or have suffered) from kidney, liver or eye problems, hearing loss, cardiovascular disease, low blood pressure, uncontrolled high blood pressure, irregular heartbeats, deformation of the penis, blood disorders, priapism, ulcers, and bleeding
- You suffer from dehydration or hypovolemia
- You had a heart attack or a stroke
- You had heart surgery in the previous 6 months
- You are using drugs on daily basis
- You drink alcohol
- You are pregnant or breastfeeding
