Always inform your doctor about all medications you’re taking, including over-the-counter drugs, supplements, and herbal remedies. Avanafil’s effects can be altered by other medications, leading to potentially harmful consequences.
Nitrates, commonly used to treat angina (chest pain), pose a significant risk when combined with Avanafil. This combination can cause a dangerous drop in blood pressure, potentially leading to fainting or even a heart attack. Avoid using Avanafil if you are taking nitrates.
Alpha-blockers, prescribed for high blood pressure or enlarged prostate, can interact with Avanafil, resulting in a greater risk of low blood pressure. Your doctor might adjust your Avanafil dosage or recommend an alternative treatment.
CYP3A4 inhibitors, medications that affect how the body processes Avanafil, can increase Avanafil’s levels in your blood, potentially causing side effects. Examples include ketoconazole and ritonavir. Your doctor may need to lower your Avanafil dose.
Conversely, CYP3A4 inducers can decrease Avanafil’s effectiveness. Rifampin and St. John’s Wort are examples. This interaction could require a dosage increase or a different treatment altogether.
Alcohol consumption can intensify Avanafil’s side effects, especially dizziness and headaches. Limit alcohol intake while using Avanafil.
Grapefruit juice can interact with Avanafil in a similar manner to CYP3A4 inhibitors. Avoid grapefruit juice while taking Avanafil.
This information is not exhaustive. Always discuss potential drug interactions with your physician before starting Avanafil or any other medication. Your doctor can assess your individual health situation and provide tailored advice.


