Can I Take Cialis 5mg After Blood Pressure Medication? - Internal Medicine

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Can I use Cialis 5mg while taking antihypertensive medication for blood pressure control?


A 66-year-old patient taking Lisinopril in the morning for blood pressure control can take 5 mg of Cialis (Tadalafil) after dinner in the evening.
However, it is important to monitor for any potential adverse effects, such as hypotension, especially if the patient is also taking other medications for blood pressure.
It is advisable to consult with a healthcare provider before making any changes to medication timing or dosage.

Wu Yun, 60~69 year old female. Ask Date: 2021/12/31

Dr. Lin Wuxuan reply Internal Medicine


Hello: When using both medications together, it is important to monitor blood pressure.
If there are any abnormalities in blood pressure, you should consult your healthcare provider.
If there are no blood pressure abnormalities, there should be no significant concerns about using these two medications in combination.

Reply Date: 2021/12/31

More Info


When considering the use of Cialis (tadalafil) after taking blood pressure medication, it is essential to understand the potential interactions and effects on blood pressure. Cialis is primarily used to treat erectile dysfunction and benign prostatic hyperplasia (BPH) and works by relaxing blood vessels to increase blood flow to certain areas of the body.
In your case, you are taking blood pressure medication in the morning and considering taking Cialis 5mg in the evening after dinner. Generally, Cialis can be taken safely by individuals who are on antihypertensive medications, but there are important considerations to keep in mind.

1. Blood Pressure Effects: Cialis can cause a mild decrease in blood pressure due to its vasodilatory effects. If you are already on blood pressure medication, this could potentially lead to an additive effect, resulting in lower blood pressure than desired. It is crucial to monitor your blood pressure regularly, especially after starting Cialis, to ensure it remains within a safe range.

2. Timing and Dosage: Taking Cialis after your blood pressure medication should be fine, provided you are not experiencing any adverse effects. The timing you mentioned (after dinner) is appropriate, as it allows for a gap between the two medications. However, it is advisable to wait at least 24 hours after your last dose of Cialis before taking any other medications that might also lower blood pressure.

3. Consult Your Doctor: Before starting Cialis, it is essential to consult with your healthcare provider. They can assess your overall health, review your current medications, and determine if Cialis is appropriate for you. They may also want to monitor your blood pressure more closely when you start taking Cialis to ensure that it does not drop too low.

4. Potential Side Effects: While Cialis is generally well-tolerated, some individuals may experience side effects such as headaches, flushing, nasal congestion, or dizziness. If you notice any significant changes in your health, such as severe dizziness, fainting, or prolonged erections, you should seek medical attention immediately.

5. Underlying Health Conditions: Given your age and the fact that you are on blood pressure medication, it is crucial to consider any other underlying health conditions you may have. Conditions such as heart disease or diabetes can influence how your body responds to medications like Cialis.

In summary, taking Cialis 5mg after your blood pressure medication is generally considered safe, but it is essential to monitor your blood pressure and consult with your healthcare provider before starting any new medication. They can provide personalized advice based on your health status and ensure that your treatment plan is safe and effective. Always prioritize open communication with your healthcare team regarding any changes in your medication regimen.

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