Always inform your doctor about all medications you are currently taking, including over-the-counter drugs, herbal supplements, and recreational drugs. Sildenafil can interact negatively with several substances, potentially leading to adverse effects.
Nitrates, commonly used to treat angina (chest pain), are a particularly dangerous combination. Taking Sildenafil with nitrates can cause a significant drop in blood pressure, potentially leading to fainting, stroke, or heart attack. Avoid concurrent use.
Alpha-blockers, prescribed for high blood pressure and enlarged prostate, can also interact with Sildenafil. This combination may cause dizziness and low blood pressure. Your doctor might adjust your dosage or suggest alternative treatments.
Certain antifungal medications, such as ketoconazole and itraconazole, can increase Sildenafil levels in your blood, potentially intensifying side effects. Discuss this with your physician before combining these medications.
Similarly, protease inhibitors, used to treat HIV, can also raise Sildenafil blood levels. Close monitoring and potential dosage adjustments are needed.
Grapefruit juice can inhibit the breakdown of Sildenafil, raising blood levels and increasing the risk of side effects. Limit or avoid grapefruit juice consumption while taking Sildenafil.
Alcohol consumption can exacerbate Sildenafil’s side effects, such as dizziness and headaches. Moderate alcohol intake is recommended.
| Nitrates | Nitroglycerin, isosorbide mononitrate | Severe hypotension, potentially life-threatening |
| Alpha-blockers | Terazosin, Doxazosin | Hypotension, dizziness |
| Antifungal medications | Ketoconazole, Itraconazole | Increased Sildenafil blood levels, intensified side effects |
| Protease inhibitors | Ritonavir, Indinavir | Increased Sildenafil blood levels, intensified side effects |
This information is not exhaustive. Always consult your doctor or pharmacist for personalized advice on potential drug interactions before taking Sildenafil or any other medication.
