Can You Take Dutasteride and Finasteride Together: Expert Advice

Can You Take Dutasteride and Finasteride Together?

Are you wondering if you can take dutasteride and finasteride together to treat benign prostatic hyperplasia (BPH)? The answer to this common question is a clear no, and there are important reasons why. Both dutasteride and finasteride are powerful medications with similar mechanisms of action, but combining them may not provide any added benefits and could even pose risks.

Let’s delve deeper into why it’s not recommended to take these two drugs simultaneously.

Can you take dutasteride and finasteride together? A closer look

When it comes to treating benign prostatic hyperplasia (BPH), doctors often prescribe medications like dutasteride and finasteride. Both drugs are known for their ability to slow down the production of dihydrotestosterone (DHT), a hormone that contributes to BPH symptoms. But have you ever wondered if you can take these two drugs together?

The short answer is no, but let’s dive deeper into why.

Both dutasteride and finasteride are inhibitors of 5-alpha-reductase, an enzyme responsible for converting testosterone into DHT. By blocking this conversion, they help reduce the amount of DHT in the body, which can alleviate BPH symptoms like urinary frequency, urgency, and weak stream. While both drugs work similarly, they have some key differences.

Dutasteride is a more potent inhibitor of 5-alpha-reductase than finasteride, which means it’s better at reducing DHT levels in the body. However, this also means that dutasteride has a longer half-life, taking around 4-6 weeks to reach its maximum effect. Finasteride, on the other hand, takes about 1-2 weeks to reach its peak effect.

Taking both drugs together could potentially lead to an overdose of DHT inhibition, which might not provide any additional benefits and may increase the risk of side effects. Additionally, combining these medications could also lead to unpredictable interactions with other medications or health conditions.

In summary, while dutasteride and finasteride are similar drugs that work in a similar way, they should not be taken together. Instead, your doctor will likely prescribe one medication or recommend another treatment option depending on your specific needs and medical history. It’s always best to consult with a healthcare professional before starting any new medication regimen.


In conclusion, the question of whether one can take dutasteride and finasteride together is met with a resounding no. While both medications offer effective treatment for BPH by inhibiting DHT production, combining them could lead to unnecessary complications and potential side effects. It’s crucial to follow your healthcare provider’s guidance when it comes to choosing the most suitable medication for your individual needs.

By understanding the distinctions between dutasteride and finasteride and the implications of combining them, you can make informed decisions about your BPH treatment plan.

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