Interactions
Drug interactions have positive and negative effects, and they can increase the risk of side effects or may change the effectiveness of the medication. Riociguat is the product that reacts with Viagra the most.
- Sildenafil causes a drop in blood pressure when used with nitrates drugs. Drugs used to treat chest pain like isosorbide and nitroglycerin. Alpha block medication such as doxazosin or tamsulosin may cause low blood pressure when used with Viagra and lead to severe side effects.
- Some antifungal drugs affect the easy removal of sildenafil from the body system and may affect how this medication works. Examples of such medicines are HIV protease inhibitors (such as (ritonavir and saquinavir), macrolide antibiotics (like erythromycin and clarithromycin), and hepatitis C virus protease inhibitors [5] (such as telaprevir), rifampin, mifepristone.
- Do not also take any other drugs containing sildenafil or similar medications to treat erectile dysfunction or pulmonary arterial hypertension like tadalafil or vardenafil.
Therefore, it is advised to talk to your medical personnel about any underlying health condition and any other drugs being used for proceeding to use Viagra.