Getting a Cialis (tadalafil) prescription involves a medical consultation, either in person with your doctor or through a telehealth platform. The process is straightforward, but a healthcare provider needs to evaluate your health before writing the prescription because tadalafil interacts dangerously with certain medications.
What Happens During the Consultation
Whether you visit your primary care doctor, a urologist, or connect with a provider online, the appointment follows a similar pattern. The provider will ask about your medical history, including any current medications, vitamins, and supplements. They’ll ask specific questions about your sexual health: the quality of your erections, your level of desire, and how long the problem has been going on. Some providers also ask about your relationship and emotional well-being, since stress, anxiety, and depression can all contribute to erectile dysfunction.
If you’re seen in person, expect a physical exam. The doctor will check for blood vessel and nervous system issues, hormonal problems, and any physical changes to the penis such as Peyronie’s disease. They may order blood work to check testosterone levels, blood sugar, and cholesterol, since erectile dysfunction is sometimes an early warning sign of cardiovascular disease or diabetes.
There’s no special test you need to “pass.” If ED is affecting your life, you have a legitimate reason to ask about treatment. Most providers are used to this conversation and will keep it clinical.
The Telehealth Option
Online platforms like Ro (Roman), Hims, Rex MD, and PlushCare let you complete a virtual visit from home. You typically create an account, fill out a health questionnaire, and then have a video or asynchronous consultation with a licensed provider who reviews your symptoms and medical history. If approved, the prescription is sent to a pharmacy or shipped directly to you.
Telehealth visits are often faster and less awkward for people who feel uncomfortable discussing ED face to face. The tradeoff is that the provider can’t do a physical exam, so if you have complex health issues or haven’t had a checkup recently, an in-person visit gives a more complete picture. For otherwise healthy men with straightforward ED, telehealth works well.
Daily vs. As-Needed Dosing
Your provider will help you decide between two dosing approaches. The as-needed version (typically 10 or 20 mg) is taken before sexual activity and lasts up to 36 hours, which is significantly longer than other ED medications. The daily version starts at 2.5 mg and can be increased to 5 mg if needed. Daily dosing means the drug is always circulating in your system, so you don’t have to plan around a pill.
A daily dose tends to make sense if you’re having sex two or more times a week or if spontaneity matters to you. It may also produce fewer side effects per dose, though effectiveness can be slightly lower compared to the higher as-needed dose. Common side effects with either approach include headache, muscle pain, indigestion, and back pain. Your doctor can switch you between the two approaches if the first one isn’t working well.
Tadalafil for Enlarged Prostate
Tadalafil is also FDA-approved to treat symptoms of benign prostatic hyperplasia (BPH), the condition where an enlarged prostate causes frequent urination, weak stream, urgency, and nighttime bathroom trips. If you have both ED and BPH, a single daily 5 mg dose can address both problems at once.
Before prescribing tadalafil for BPH, your provider will want to rule out other urological conditions, including prostate cancer, that can cause similar symptoms. They’ll likely assess the severity of your urinary symptoms using a standardized questionnaire that scores issues like incomplete emptying, stopping and starting, and straining. This distinction matters for insurance coverage, as we’ll get to below.
Who Should Not Take Tadalafil
The most critical safety concern is nitrate medications. If you take nitroglycerin, isosorbide, or any other nitrate for chest pain or heart disease, tadalafil is completely off the table. Combining the two can cause a severe, potentially fatal drop in blood pressure. This also applies to recreational “poppers” (amyl nitrite), which interact the same way. After taking tadalafil, nitrates should be avoided for at least 48 hours.
Alpha-blockers, commonly prescribed for high blood pressure or BPH, also require caution. If you’re already stable on an alpha-blocker, your provider can start tadalafil at a low dose, but the two shouldn’t be introduced at the same time. Certain antifungal drugs, some antibiotics, and HIV protease inhibitors increase tadalafil levels in your blood, which may require a dose reduction. Kidney or liver problems call for a lower starting dose as well.
Alcohol is another factor. The tadalafil label cautions against drinking more than about five standard drinks while taking the drug. Studies found that combining tadalafil with six drinks caused a noticeable drop in blood pressure upon standing, while four drinks did not. Moderate drinking is generally fine, but heavy drinking on tadalafil is a real risk.
Cost: Brand Name vs. Generic
The price difference between brand-name Cialis and generic tadalafil is enormous. Without insurance, 30 tablets of brand-name Cialis 20 mg run roughly $1,650, or about $55 per pill. Generic tadalafil at the daily 5 mg dose costs between $14 and $20 for a 30-day supply, roughly 50 to 65 cents per pill. The active ingredient is identical, so unless your doctor has a specific reason to prescribe the brand, generic tadalafil delivers the same results at a fraction of the cost.
Telehealth platforms often bundle the consultation fee with the medication, and some offer their own generic pricing that can be competitive with or cheaper than retail pharmacies. It’s worth comparing prices across platforms and using pharmacy discount tools before filling your prescription.
Insurance and Medicare Coverage
Private insurance coverage for tadalafil varies widely. Some plans cover generic tadalafil with a copay, others don’t cover ED medications at all. Call the number on the back of your insurance card and ask specifically about tadalafil for erectile dysfunction before assuming you’re covered.
Medicare Part D does not cover tadalafil when prescribed for erectile dysfunction. Federal law specifically excludes ED drugs from Part D coverage. However, if tadalafil is prescribed for BPH or pulmonary hypertension (its other FDA-approved uses), Medicare Part D can cover it. This is one reason the BPH indication matters: if you genuinely have both conditions, your doctor can prescribe tadalafil for BPH, and Medicare may pick up the cost.
Buying Safely Online
Counterfeit tadalafil is a real problem. The FDA has identified numerous unsafe online pharmacies selling pills that contain the wrong dose, the wrong ingredient, or no active ingredient at all. Red flags include sites that don’t require a prescription, offer suspiciously deep discounts, lack a U.S. physical address and phone number, or don’t have a licensed pharmacist available.
A legitimate online pharmacy will always require a valid prescription, provide a U.S. address and phone number, and employ a licensed pharmacist. You can verify any online pharmacy’s license through your state board of pharmacy or the FDA’s BeSafeRx website. If a pharmacy isn’t listed, don’t use it. The few dollars you might save aren’t worth the risk of taking an unregulated pill.