Sildenafil, commonly known as Viagra, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. However, it can interact with several other medications, making them less effective or causing adverse effects. Here are some medications that are contraindicated with sildenafil:

1. Nitrates: These are medications used to treat heart disease. When combined with sildenafil, they can cause a serious drop in blood pressure.

2. Alpha-blockers: These are used to treat high blood pressure and prostate conditions. They can also cause a drop in blood pressure when taken with sildenafil.

3. Protease inhibitors: These are used to treat HIV and can increase the level of sildenafil in the blood, leading to side effects.

4. Certain antibiotics and antifungals: Some of these can also increase the level of sildenafil in the blood.

5. Other PDE5 inhibitors: These are other medications used to treat erectile dysfunction and can lead to an overdose if taken with sildenafil.

6. Riociguat: This medication is used to treat pulmonary arterial hypertension and can cause a drop in blood pressure when taken with sildenafil.

Always consult with a healthcare provider before starting or stopping any medication.

Question

Sildenafil, commonly known as Viagra, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. However, it can interact with several other medications, making them less effective or causing adverse effects. Here are some medications that are contraindicated with sildenafil:

1. Nitrates: These are medications used to treat heart disease. When combined with sildenafil, they can cause a serious drop in blood pressure.

2. Alpha-blockers: These are used to treat high blood pressure and prostate conditions. They can also cause a drop in blood pressure when taken with sildenafil.

3. Protease inhibitors: These are used to treat HIV and can increase the level of sildenafil in the blood, leading to side effects.

4. Certain antibiotics and antifungals: Some of these can also increase the level of sildenafil in the blood.

5. Other PDE5 inhibitors: These are other medications used to treat erectile dysfunction and can lead to an overdose if taken with sildenafil.

6. Riociguat: This medication is used to treat pulmonary arterial hypertension and can cause a drop in blood pressure when taken with sildenafil.

Always consult with a healthcare provider before starting or stopping any medication.

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