Can You Safely Combine Blood Pressure Medications with Viagra? - Family Medicine

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Can medications be taken together?


Currently, I am taking antihypertensive medications (Cozaar 50mg and Diovan 160mg) daily.
Can I also take Viagra or similar medications? If so, will there be any side effects? Thank you!

Zhongzhong, 60~69 year old female. Ask Date: 2020/01/19

Dr. Chen Bozhang reply Family Medicine


You already have hypertension and are currently taking two antihypertensive medications.
It is not advisable to self-administer medications like Viagra, as this may lead to significant side effects, such as a drop in blood pressure and decreased cardiac output.
If you have any concerns, please discuss them with a cardiologist.

Reply Date: 2020/01/19

More Info


When considering the combination of blood pressure medications such as Cozaar (losartan) and Diovan (valsartan) with Viagra (sildenafil), it's essential to understand the pharmacological interactions and potential side effects involved.
Both Cozaar and Diovan belong to a class of medications known as angiotensin receptor blockers (ARBs), which are commonly prescribed for managing high blood pressure and heart failure. Viagra, on the other hand, is a phosphodiesterase type 5 (PDE5) inhibitor used primarily for treating erectile dysfunction.
The good news is that Viagra does not have a direct interaction with either Cozaar or Diovan. This means that, in general, it is considered safe to use Viagra while taking these blood pressure medications. However, there are some important considerations to keep in mind:
1. Blood Pressure Effects: Viagra can cause a temporary decrease in blood pressure. For most individuals, this is not a significant concern, but if you are already on medications for high blood pressure, there is a potential for additive effects, which could lead to hypotension (low blood pressure). Symptoms of hypotension can include dizziness, lightheadedness, or fainting, especially when standing up quickly.

2. Monitoring: If you decide to use Viagra while on Cozaar and Diovan, it is advisable to monitor your blood pressure regularly, especially after taking Viagra for the first time. If you experience any unusual symptoms, such as severe dizziness or fainting, you should seek medical attention immediately.

3. Consult Your Doctor: Before starting Viagra, it is crucial to discuss this with your healthcare provider. They can provide personalized advice based on your overall health, the severity of your hypertension, and any other medications you may be taking. Your doctor may also want to monitor your blood pressure more closely after you start using Viagra.

4. Other Medications: Be cautious about combining Viagra with other medications, particularly nitrates (used for chest pain) or certain alpha-blockers, as these combinations can lead to significant drops in blood pressure.

5. Side Effects: Common side effects of Viagra include headaches, flushing, upset stomach, nasal congestion, and visual disturbances. While these side effects are generally mild, they can be more pronounced in individuals taking multiple medications.

6. Underlying Conditions: If you have any underlying health conditions, such as heart disease or diabetes, it is even more critical to consult with your healthcare provider before using Viagra. They can help assess your risk and determine the safest approach for your situation.

In summary, while it is generally safe to combine Viagra with blood pressure medications like Cozaar and Diovan, it is essential to do so under the guidance of your healthcare provider. Monitoring your blood pressure and being aware of any symptoms of hypotension will help ensure that you can safely enjoy the benefits of Viagra without compromising your cardiovascular health. Always prioritize open communication with your healthcare team regarding any new medications or changes in your treatment plan.

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