Can You Take Viagra While on Cardiovascular Medications?

If someone is taking cardiovascular medications long-term, they may wonder if it is safe to take Viagra (sildenafil)?

Medication names: ESPIN* 100MC Cap, Allopurinol 100mg tab "Shenda", ULSTOP* 20mg F.C.
TAB, ATOZET* FC tab, COFARIN* 5 mg tab "Zhengde".

I am currently taking these medications.
The reason for taking them twice a day is due to a myocardial infarction I experienced in 2016.
After receiving emergency treatment and taking sublingual tablets, the doctor confirmed the heart attack.
Following that, I was on a regular medication regimen.
As a resident of an offshore island, I have to return to the main island every three months to collect my medications, which has become a burden for my family, leading to interruptions in my medication.
It wasn't until late 2018 that I experienced another myocardial infarction, which was more painful than the first.
After that, I officially learned about my condition, Kawasaki disease.

I have been consistently taking my medications since then and currently lead a normal life with no discomfort during physical activities.
However, the only dissatisfaction I have is regarding my sexual relationship with my partner.
I have no issues with erections, but they are not lasting, and I often have to change positions, which results in a quick finish.
After discussing with my partner, I hope to resolve the erectile issue with medication.
However, I am already taking other medications, so I would like to ask the doctors if it is safe to take Viagra or other erectile dysfunction medications.
Thank you!

Chen, 30~39 year old female. Ask Date: 2022/12/05

Dr. Li Shengkai reply Cardiology

Most cardiovascular medications can cause sexual dysfunction to some extent.
However, since vascular diseases can also lead to erectile dysfunction, it is strongly recommended to continue taking these medications to manage your chronic conditions.
Commonly used erectile dysfunction medications in Taiwan, such as Cialis and Viagra (or other generic drugs with the same active ingredients), should be taken as needed and do not conflict with your regular medications.
It is advisable to take them about half an hour before sexual activity.
It is recommended to have an evaluation by your regular cardiologist or to be referred to a urologist for the best assessment.

Reply Date: 2022/12/05

More Info

When considering the use of Viagra (sildenafil) while on cardiovascular medications, it is crucial to understand the potential interactions and safety concerns associated with combining these drugs. Viagra is primarily used to treat erectile dysfunction by increasing blood flow to the penis, but it can also have effects on the cardiovascular system.

From the medications you mentioned, it appears you are taking a variety of drugs for cardiovascular health, including Allopurinol, ULSTOP (famotidine), ATOZET (ezetimibe and atorvastatin), and COFARIN (warfarin). Each of these medications has its own profile of side effects and interactions, particularly with anticoagulants like warfarin.

1. Viagra and Cardiovascular Medications: Viagra is generally considered safe for most patients with cardiovascular conditions, but there are specific considerations. It is important to avoid taking Viagra with nitrates (such as nitroglycerin), as this combination can lead to a dangerous drop in blood pressure. Since you are not currently on nitrates, this specific interaction may not be a concern for you.

2. Warfarin Interaction: Since you are taking warfarin, it is essential to monitor your INR (International Normalized Ratio) levels closely. While there is no direct contraindication for using Viagra with warfarin, Viagra can potentially affect blood pressure and may lead to increased bleeding risk, especially if there are any underlying issues with blood clotting. Always inform your healthcare provider about any new medications you wish to start.

3. Erectile Dysfunction and Cardiovascular Health: It is also worth noting that erectile dysfunction can be a sign of underlying cardiovascular issues. Since you have a history of heart attacks and Kawasaki disease, it is essential to ensure that your cardiovascular health is stable before starting any new medication. Regular follow-ups with your cardiologist are advisable.

4. Consultation with Healthcare Provider: Before starting Viagra, it is crucial to discuss this with your healthcare provider. They can assess your overall health, review your current medications, and determine if Viagra is appropriate for you. They may also suggest alternative treatments or lifestyle changes that could improve your sexual health without the need for additional medication.

5. Monitoring and Side Effects: If you do start taking Viagra, be aware of potential side effects such as headaches, flushing, nasal congestion, and changes in vision. If you experience any severe side effects or symptoms such as chest pain, dizziness, or prolonged erection (priapism), seek medical attention immediately.

In summary, while it is possible to take Viagra while on cardiovascular medications, it is essential to do so under the guidance of a healthcare provider. They will help ensure that it is safe for you based on your medical history and current medications. Always prioritize open communication with your healthcare team regarding any concerns or changes in your treatment plan.

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