BiMix and TriMix Injections: What Men Should Know About Compounded ED Treatment
Compounded BiMix and TriMix penile injection therapy is a proven option for erectile dysfunction when pills have failed. Learn more and order by prescription from Kearney Park Pharmacy.

For men who have tried oral medications for erectile dysfunction and found them ineffective or poorly tolerated, there are other evidence-based options worth knowing about. Compounded injection therapy — specifically BiMix and TriMix — has been used for decades and remains one of the most effective treatments available for ED, particularly in cases where oral medications fall short.
What Are BiMix and TriMix?
BiMix and TriMix are compounded medications that are injected directly into the erectile tissue of the penis before sexual activity. They work by relaxing smooth muscle and dilating blood vessels, which allows increased blood flow and produces an erection. BiMix typically contains two active medications — papaverine and phentolamine. TriMix adds alprostadil as a third component. Both are prepared by a compounding pharmacy and dispensed under a physician's prescription. The formulations can be customized in concentration based on what your doctor determines is right for you.
Why Would a Doctor Recommend This?
Oral medications like sildenafil and tadalafil work by enhancing the natural response to sexual stimulation. However, they do not work for everyone. Men with certain underlying conditions — including diabetes, prostate cancer treatment history, cardiovascular disease, or nerve damage — may find that oral medications produce insufficient results. In these cases, injection therapy can be highly effective because it acts directly on the blood vessels, bypassing some of the physiological pathways that oral medications rely on.
Is the Injection Painful?
Most men are understandably hesitant about the idea of self-injection, but patients who use this therapy regularly report that the discomfort is minimal. The needles used are very fine, similar to those used for insulin. Your urologist or prescribing physician will typically train you on the proper injection technique before you begin self-administering at home. Proper technique is essential both for effectiveness and for avoiding complications.
Why Does It Need to Be Compounded?
TriMix in its exact three-component formulation is not available as a commercially manufactured product. It must be compounded by a licensed pharmacy. The concentrations of each active ingredient can also be adjusted based on your individual response and your doctor's recommendation. This is one of the key advantages of working with a compounding pharmacy — the ability to tailor the formulation to what actually works best for you rather than accepting a one-size-fits-all product.
Storage and Handling
Compounded BiMix and TriMix require refrigeration to maintain potency and should be handled carefully. Your pharmacy will provide clear instructions on storage, expiration, and handling. Kearney Park Pharmacy ships these medications in temperature-controlled packaging to ensure they arrive in optimal condition.
How to Get Started
To begin, you will need a prescription from a urologist, men's health clinic, or other qualified provider. Once you have a prescription, Kearney Park Pharmacy can prepare your medication and ship it directly to you anywhere in Texas. Call us at 972-329-1168 or fax your prescription to 972-329-1436. We take your privacy seriously and provide discreet, professional service.







