Getting a prescription for Cialis (tadalafil) is straightforward. You can get one through your regular doctor, a urologist, or an online telehealth platform, often in a single visit. The key step is a medical evaluation to confirm the medication is appropriate and safe for you.
What Cialis Is Prescribed For
Cialis is FDA-approved for three conditions: erectile dysfunction (ED), benign prostatic hyperplasia (BPH, or enlarged prostate), and pulmonary arterial hypertension (under a different brand name). Most people searching for a prescription are dealing with ED, BPH, or both. The medication works by relaxing blood vessels, which improves blood flow to the penis during arousal and reduces pressure on the urinary tract caused by an enlarged prostate.
Unlike some ED medications that last four to six hours, tadalafil’s effects can last up to 36 hours after a single dose. This longer window is one reason it’s also available as a lower-dose daily pill, which means you don’t need to plan around taking it before sex.
Your Options for Getting a Prescription
There are three main routes, and all are legitimate.
Your primary care doctor is the simplest starting point. ED is one of the most common issues primary care physicians handle, so there’s no need to see a specialist first. The visit typically involves a conversation about your symptoms, a review of your current medications, and possibly blood pressure and basic blood work. If everything checks out, you can walk out with a prescription the same day.
A urologist makes sense if your doctor suspects an underlying cause that needs further investigation, or if you have a complex medical history. A urologist can run more targeted diagnostics, but most men don’t need this step to start tadalafil.
Telehealth platforms have become a popular route because they’re fast and private. Services like Hims, Roman, and PlushCare connect you with a licensed provider through an online questionnaire or video visit. If approved, the prescription is filled and shipped directly to you. When choosing an online provider, check that the pharmacy is accredited by the National Association of Boards of Pharmacy (NABP). The NABP maintains a public list of accredited digital pharmacies on its website, and any pharmacy on that list has been verified for proper licensing, prescription authentication, and patient privacy.
What the Doctor Will Ask
Whether in person or online, expect the evaluation to cover a few specific areas. The provider needs to confirm that tadalafil is safe for you, which means reviewing your cardiovascular health, current medications, and the nature of your symptoms.
You’ll likely be asked how long you’ve experienced ED, whether it’s consistent or situational, and whether you have any trouble urinating (which could point to BPH). The provider will also want to know about your heart health, blood pressure, and any medications you currently take. Be honest and specific. This isn’t a gatekeeping exercise; it’s a safety check.
The evaluation also serves to rule out underlying conditions. ED can be an early sign of cardiovascular disease, diabetes, or hormonal imbalances. A good provider won’t just write the prescription and move on. They’ll flag anything worth investigating further.
Who Should Not Take Cialis
The most important safety rule: tadalafil cannot be combined with nitrate medications in any form. Nitrates are commonly prescribed for chest pain (nitroglycerin is the most well-known). Combining the two can cause a dangerous drop in blood pressure.
Beyond nitrates, tadalafil is not recommended if you’ve had a heart attack in the last 90 days, a stroke in the last 6 months, unstable angina, uncontrolled high or low blood pressure, or certain types of heart failure. If sexual activity itself would be risky given your cardiovascular status, a provider will hold off on prescribing it. These are the main reasons a doctor might say no, and they’re the reason the medical evaluation matters.
Daily vs. As-Needed Dosing
Tadalafil comes in two dosing approaches, and your provider will help you choose based on how frequently you’re sexually active and whether you also have BPH symptoms.
As-needed dosing starts at 10 mg, taken about 30 minutes before anticipated sexual activity, no more than once per day. Your doctor may adjust to 5 mg or 20 mg based on how well it works and how you tolerate it. This approach suits people who don’t need the medication every day.
Daily dosing is 2.5 mg or 5 mg taken at the same time each day, regardless of when you plan to have sex. The 5 mg daily dose is the standard for men who have both ED and BPH. Daily dosing means the medication stays active in your system continuously, so there’s no need to time it around intimacy.
Common Side Effects
In clinical trials, about half of men taking tadalafil experienced at least one side effect, compared to roughly 39% of those on a placebo. That sounds high, but most side effects are mild and temporary. The most frequently reported were headache (12% to 15% of users), back pain or muscle aches (8% to 11%), and indigestion (7% to 8%). Only about 2% to 3% of men found side effects bothersome enough to stop taking the medication.
Back pain and muscle aches tend to be more unique to tadalafil compared to other ED medications, and they typically show up 12 to 24 hours after taking it. They usually resolve on their own within a couple of days.
What It Costs
Brand-name Cialis is significantly more expensive than generic tadalafil, and the price gap is wide enough to matter. A 30-day supply of brand-name Cialis can run $400 to nearly $1,000 depending on the pharmacy. Generic tadalafil for the same supply typically falls between $100 and $240 at most pharmacies, though some telehealth platforms offer it for less.
Insurance coverage varies. Many plans cover generic tadalafil for BPH more readily than for ED. If your insurance doesn’t cover it, or you’d rather not go through insurance, pharmacy discount programs and telehealth services often bring the price of generic tadalafil well under $100 per month. Comparing prices between your local pharmacy and online options is worth the five minutes it takes.
Getting a Prescription Quickly
If you want the fastest path, a telehealth visit is hard to beat. Many platforms can have you evaluated and approved within 24 hours, sometimes the same day. Prescriptions are either sent to your local pharmacy or shipped to your door. For an in-person route, scheduling a primary care appointment and mentioning the reason when you book can help ensure enough time is set aside to address it in one visit rather than requiring a follow-up.
There’s no special test or referral required to get tadalafil. The barrier to a prescription is simply a licensed provider confirming it’s safe for you. For most men, that’s a short conversation and a medication review.

