Always inform your doctor about all medications you’re taking, including over-the-counter drugs, herbal supplements, and recreational drugs. This includes nitrates, often prescribed for chest pain. Combining them with Viagra can cause a dangerous drop in blood pressure.
Alpha-blockers, used to treat high blood pressure and enlarged prostate, can also interact negatively. Expect a potential increase in side effects like dizziness or fainting. Your doctor might adjust dosages or suggest alternatives.
Certain antifungals, like ketoconazole and itraconazole, can increase Viagra’s levels in your blood, potentially leading to intensified side effects. Careful monitoring is necessary.
HIV protease inhibitors can raise Viagra’s concentration too. Discuss this with your doctor to manage potential risks effectively.
Never combine Viagra with other PDE5 inhibitors. This can be very dangerous.
This list isn’t exhaustive; many other drugs could interact. Open communication with your healthcare provider is key to safe medication use.


