What causes low PSA levels?

Low PSA levels are caused by medications that affect prostate function, hormonal imbalances, or poor overall health status. Medications like finasteride and dutasteride (5-alpha reductase inhibitors) used for benign prostatic hyperplasia or hair loss can significantly reduce PSA production. Additionally, obesity, certain chronic health conditions, and age-related hormonal changes can contribute to lower-than-expected PSA levels.

What is the best test for low PSA levels?

The Prostate-Specific Antigen (PSA) Test is the most important test for low PSA levels because it directly measures the amount of PSA protein in your blood. This simple blood test provides a baseline measurement that your doctor can use to track changes over time and assess whether your levels are abnormally low for your age group. The test is especially valuable for men taking prostate medications or those with risk factors for poor health, as it helps healthcare providers monitor prostate health and overall wellness as part of comprehensive health management.

When should I get tested for low PSA levels?

You should get tested if you are taking medications like finasteride or dutasteride, have noticed changes in your overall health status, or have been advised by your doctor to monitor your prostate health. Men over 40 should consider baseline PSA testing to establish normal levels for their age, especially if they have chronic health conditions, significant weight changes, or hormonal concerns. Regular monitoring becomes important if previous tests showed unusually low results or if you experience unexplained health changes.

What are the symptoms of low PSA levels?

Low PSA levels typically do not cause direct symptoms. However, the underlying conditions that lead to low PSA may produce symptoms such as decreased libido, erectile dysfunction, fatigue, or weight gain. Men taking 5-alpha reductase inhibitors might experience side effects like reduced sexual function or breast tenderness. Since low PSA itself is a laboratory finding rather than a symptomatic condition, it is usually discovered during routine blood work or health screenings.

Who is at risk for low PSA levels?

Men taking finasteride or dutasteride for hair loss or prostate enlargement are at highest risk for low PSA levels, as these medications can reduce PSA by up to 50 percent. Other risk factors include obesity, poor overall health status, hormonal imbalances with low testosterone, and certain chronic medical conditions. Younger men generally have lower PSA levels than older men, but levels significantly below age-appropriate ranges may warrant medical evaluation regardless of age.

What happens if low PSA levels are left untreated?

Ignoring abnormally low PSA levels can mask underlying health issues that require attention. If low PSA results from medication use, your doctor may need to adjust how they screen for prostate cancer, as traditional PSA cutoffs become less reliable. When low PSA indicates poor overall health status, failing to address the root cause can allow chronic conditions to worsen. Regular monitoring ensures that any concerning patterns are caught early and that your healthcare provider has complete information for making treatment decisions.

Can low PSA levels be diagnosed with a blood test?

Yes, low PSA levels are diagnosed through a simple blood test that measures prostate-specific antigen in your bloodstream. The test requires a small blood sample, typically drawn from your arm, and results are usually available within a few days. Your healthcare provider will interpret your PSA level in the context of your age, medications, health history, and previous PSA readings to determine if your level is abnormally low and whether further evaluation is needed.

How is low PSA treated?

Treatment for low PSA levels depends on the underlying cause. If medications like finasteride are responsible, your doctor may adjust the dosage, switch medications, or simply account for the lower baseline when screening for prostate problems. When low PSA reflects poor overall health, treatment focuses on addressing underlying conditions through lifestyle modifications, weight management, hormone replacement therapy if appropriate, or management of chronic diseases. In many cases, low PSA requires monitoring rather than direct treatment.

How can I prevent low PSA levels?

Prevention focuses on maintaining overall prostate and general health through healthy lifestyle choices. Maintain a healthy weight through balanced nutrition and regular exercise, as obesity can suppress PSA levels. If you are taking medications that affect PSA, work closely with your healthcare provider to monitor levels and adjust screening protocols accordingly. Avoid unnecessary hormone supplements without medical supervision, and manage chronic health conditions effectively to support normal prostate function and PSA production.

What can I do at home for low PSA levels?

At home, focus on supporting overall health through regular exercise, maintaining a healthy weight, and eating a balanced diet rich in vegetables, fruits, and lean proteins. If you are on medications that lower PSA, keep a record of your test results and medication changes to share with your doctor. Stay hydrated, limit alcohol consumption, and manage stress through relaxation techniques. While you cannot directly increase PSA levels at home, these healthy habits support overall wellness and help ensure accurate test results during monitoring.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

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Low PSA Levels Blood Test | Private MD Labs

Low PSA Levels Blood Test

What is Low PSA Levels?

Low PSA levels refer to prostate-specific antigen levels that are significantly below the normal range for a man's age group. They can be associated with poor overall health status, certain medications like 5-alpha reductase inhibitors (finasteride, dutasteride), or hormonal changes affecting prostate function. The Prostate-Specific Antigen (PSA) Test is the most important test for monitoring PSA levels and assessing prostate health.

Written by Private MD Labs Medical Team

Last updated: December 30, 2025

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

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