The 4,000-word ED guide your urologist won't write. Diagnosis → first dose → second-line → reset.

Most ED guides are one of two things. They are either a telehealth ad with a stethoscope drawn on it, or they are a 600-word panic piece designed to make you click "buy."

This is neither. This is the version a friend with a pharmacology textbook would write you over coffee.

You will leave with a diagnostic order, a first-dose protocol, a second-line plan if PDE5 fails, and a reset strategy if you've been on these pills for years and want to know what happens next.

It is long. ED is not a one-paragraph problem. The pills are easy. The decisions around them are what's expensive.

Section 1 — What ED actually is, before any pill

ED has four mechanistic buckets. Most US clinical encounters skip straight to bucket three (the pill) without sorting which bucket you're in.

Vascular (~60-70% of cases over 40, lower fraction under 35). The penile arteries are 1-2mm in diameter. The coronary arteries are 3-4mm. The same atherosclerotic process narrows both, and the smaller artery loses range first.

That's why ED in your 40s correlates with a roughly 50-fold higher 10-year incidence of coronary artery disease in age-matched cohorts (Inman et al., Mayo Clin Proc 2009, n=1,402, 10-year follow-up). Not a multiplier on baseline. A 50-fold incidence ratio. The vascular event precedes the cardiac event by an average of 3-5 years.

Psychological (~20-25% under 40, lower over 50). Performance anxiety, relationship distress, depression. Distinguishable from vascular ED by one signal: morning erections and masturbation work, partnered sex doesn't. If both work and only the partnered situation fails, the upstream problem isn't your blood vessels.

Hormonal (~5-10%). Low testosterone, high prolactin, thyroid dysfunction. Distinguishable by libido pattern: hormonal ED comes with low desire, not just failed function. Vascular and psychological ED preserve desire but disable execution.

Drug-induced (~5%). SSRIs, beta blockers, finasteride (1.4% in label, 5-30% by user-reported sources — see our finasteride piece), thiazide diuretics, opioids. Reversible if you can stop or switch the drug.

These buckets are not exclusive. A 48-year-old on lisinopril with metabolic syndrome and a stressful divorce is in three buckets at once. The point of sorting is not to land on one — it's to know which lever to pull first.

The default mistake: prescribing PDE5 without sorting. The pill works for 70% of unselected men, so the prescription "succeeds" 70% of the time even when the actual diagnosis is wrong. The 30% who don't respond get a dose escalation instead of a reframe. That's the failure mode.

Section 2 — Diagnosis without an appointment

You can do most of the diagnostic sort yourself, before any prescriber touches the case. Here's the order.

Step 1: Self-pattern recognition (5 minutes, free).

Answer three questions:

• Do you wake up with morning erections most weeks? (Yes = vascular machinery probably intact.)
• Does masturbation work normally? (Yes = mechanical and neural pathways intact.)
• Is the failure specific to partnered sex with a specific partner? (Yes = points hard at psychological / situational, not vascular.)

If all three answer "yes," you are likely in bucket two. PDE5 will work for you, but it's masking the real conversation.

If morning erections have disappeared and masturbation also fails, you are likely in bucket one (vascular) or bucket three (hormonal).

Step 2: Lab panel (one week, $80-200, no prescription needed in most US states).

Order the following directly through Quest Diagnostics, LabCorp, or a direct-to-consumer panel (Marek Health, Discounted Labs, Ulta Lab Tests). Walk in. Pay cash.

• Fasting glucose + A1c. Early-stage diabetes is the single largest ED multiplier. Pre-diabetes (A1c 5.7-6.4%) already damages microvasculature.
• Lipid panel (total chol, LDL, HDL, triglycerides). LDL above 130 means the arteries are already narrowing. Triglycerides above 150 add an independent vascular risk.
• Total testosterone (morning, 7-9am draw) + free testosterone + SHBG. Order only if libido (the desire, not the function) is also gone. Otherwise skip — testosterone is rarely the answer in men who still have desire.
• Prolactin + TSH. Cheap add-ons. Elevated prolactin (over 25 ng/mL in men) suggests pituitary issues that mimic low-T. TSH out of range silently kills sexual function.

Total cost cash, all five tests: $80-150 at Quest, $120-200 with a Marek-style direct-to-consumer panel that includes the venipuncture.

This is less than one month of Hims at the middle tier. It tells you whether you have an ED problem or a vascular-disease problem with ED as the warning light.

Step 3: Blood pressure at home.

Buy a $25 Omron BP cuff. Measure morning and evening for one week. Average it. If your true average is over 130/85, you have stage 1 hypertension — a primary ED cause and an independent cardiovascular risk. Single-office readings are unreliable; home averages are diagnostic.

Step 4: Optional — penile Doppler ultrasound.

If you have done all of the above and your labs are clean and your BP is normal and morning erections are also gone, the gold-standard next step is a penile duplex Doppler with intracavernosal injection. This is the test that definitively distinguishes arterial insufficiency from venous leak from neurogenic causes. Costs $300-600 cash. Almost no PCP will order it. A urologist will. This is the step where personal-import has nothing to offer — you need physical equipment and a trained operator.

You only need step 4 if steps 1-3 don't yield a diagnosis. Most men land in a clear bucket by step 3.

Section 3 — First-line, before any pill: the lifestyle stack that actually works

The "lose weight and exercise" advice you've been ignoring isn't decorative. It has trial-grade evidence behind it that out-performs PDE5 dose escalation in some populations.

The Esposito 2004 trial. JAMA, 110 obese men aged 35-55 with confirmed ED, randomized 1:1 (n=55 vs 55) to a Mediterranean-style diet plus exercise intervention vs general healthy-lifestyle counseling. Two-year follow-up. The intervention group's mean IIEF score rose from 13.9 to 17 (statistically significant). At endpoint, 31% of the intervention group reported normal erectile function (IIEF ≥22) versus 5% of controls.

That is a higher resolution rate than the response delta between sildenafil 50mg and 100mg in the original Goldstein NEJM trial. The lifestyle arm beat the pill-dose escalation arm in head-to-head terms, in the population where it matters most (overweight men with established ED).

This isn't an anti-pill argument. The pill is faster. But the pill works on a vascular system, and if the vascular system is the problem, then the pill is treating the smoke alarm.

The minimum effective lifestyle protocol, for ED specifically:

• Body composition. Drop 10% of body weight if BMI is over 28. This is the single biggest lever. Don't optimize the diet, just create a calorie deficit you can sustain for 6 months.
• Cardio, 150 min/week. Anything that gets your heart rate over 130 for 30+ minutes, 5x/week. Brisk walking counts if you're starting from zero. The mechanism is endothelial conditioning — the inner lining of your arteries adapts to higher flow, NO release improves, vascular tone normalizes.
• Sleep, 7+ hours. Testosterone production happens in deep sleep. Chronic sleep restriction (under 6 hours nightly) drops total testosterone by 10-15% within a week (Leproult & Van Cauter, JAMA 2011, n=10).
• Alcohol, under 7 drinks/week. More than that is a chronic vasodilator-then-constrictor cycle that damages endothelial function long term. Acute alcohol also blunts erectile response in the moment — the "whiskey dick" mechanism is well-characterized in the pharmacology literature.
• Smoking, zero. No threshold here. Current smokers carry an OR of 1.51 for ED vs never-smokers (Cao et al., PLoS One 2013;8(4):e60443, meta-analysis n=28,586).

Time horizon for lifestyle alone: 8-12 weeks of consistent execution to see vascular response. Sleep and alcohol changes show up within 2-3 weeks. Body composition takes 12+ weeks.

If you can run this stack honestly for 90 days and the symptom resolves, you don't need a pill. You don't need this guide past this section.

If 90 days in you've moved the lifestyle markers and the ED persists, you have likely confirmed that the vascular damage is far enough along that lifestyle alone won't fully reverse it within a useful timeframe. That's when section 4 starts.

Section 4 — PDE5 first dose: which molecule, which dose, when

Four molecules. All FDA-approved. All ~70% efficacy in unselected populations (Yuan et al., Eur Urol 2013, network meta-analysis). The selection criteria are not efficacy. They are half-life, onset speed, and how the rest of your week looks.

For depth on this comparison, see our PDE5 half-life guide.

The default first-time protocol:

Start with sildenafil 50mg. Not 100mg.

The Goldstein 1998 NEJM pivotal trial showed sildenafil 50mg gives ~74% improved erections vs ~82% at 100mg. That's an 8-point efficacy gain for nearly double the headache rate (21% → 30%) (per FDA Viagra Prescribing Information dose-response section). The FDA Viagra label explicitly recommends 50mg as the starting dose.

Most US telehealth platforms default to 100mg anyway. That default is operational, not clinical — fewer follow-up calls per patient. We unpacked that in the 50mg vs 100mg piece.

Take it on an empty stomach. Fatty food drops peak blood level by ~29% and delays peak by an hour. Wait at least 45 minutes before sexual stimulation. The pill does not cause an erection by itself; it removes the brake on the vascular response to normal stimulation.

If 50mg works, stay there. If 50mg doesn't work twice, escalate to 100mg. If 100mg doesn't work twice, switch molecule, do not escalate dose.

The switching evidence: Carson et al. (BJU Int 2004, PROVEN trial) showed that ~49% of sildenafil non-responders responded to vardenafil rescue. Most US prescribers (and most telehealth platforms) escalate dose instead of switching molecules. That's the wrong direction half the time.

The daily-dose alternative. If your sex life happens with any regularity (more than once weekly), tadalafil 5mg daily becomes economically and pharmacologically interesting. Steady-state in 5 days. No timing required. Bonus indication for BPH (FDA-approved October 2011 for lower urinary tract symptoms secondary to benign prostatic hyperplasia). We did the math in tadalafil daily vs PRN. Short version: above ~40 doses per 90 days, daily 5mg costs less than PRN, even at brand-name prices.

Dose ceiling. Sildenafil 100mg or tadalafil 20mg PRN are FDA-labeled maxes. Above those doses, side effects scale and efficacy plateaus. Generic sildenafil 150mg and 200mg exist (we stock them) but are off-label and only useful in a narrow population — typically men with severe vascular disease who responded partially to 100mg and need the supratherapeutic margin. Most users do not need them.

Section 5 — When PDE5 fails: the second-line ladder

If you haven't tried PDE5 yet, bookmark this section and skip to Section 6 or the action plan. This is for the 30% who tried two molecules and still don't have a working result.

Roughly 30% of men do not respond adequately to PDE5 at any dose, even with molecule switching. The next ladder rungs exist. Most US patients are never told they exist.

Rung 1: Vacuum erection device (VED). A clear cylinder, a hand pump or battery pump, and a constriction ring. Mechanically pulls blood into the penis, then a ring at the base traps it for 20-30 minutes of usable erection.

Success rate ~60-80% in PDE5 non-responders (Lewis & Witherington, Urology 1997, n=1,517 series). Cost: $50-200 for the device, owned forever. No prescription required for non-medical-grade devices; a "medical" model with FDA clearance runs $300-500.

Side effects: cold-feeling erection, occasional petechiae (small bruising), mild penile tissue stretching with overuse. The biggest barrier is psychological — most men hate the idea more than the practice.

Rung 2: Intracavernosal injection (ICI). A 30-gauge insulin needle, a tiny dose of alprostadil (or a Trimix combo of alprostadil + papaverine + phentolamine), injected into the side of the shaft 5-15 minutes before sex. Erection lasts 30-60 minutes.

Success rate is high — ~70-85% in pooled series of PDE5 non-responders, the highest non-surgical efficacy of any ED treatment in the literature (multiple European multicenter long-term alprostadil series, 1990s-2010s). Costs: $80-200/month for compounded Trimix from US compounding pharmacies; the alprostadil-only Caverject is brand-priced at $30-60 per dose in the US. ICI is generally not personal-importable in standard pharmacy pipelines because it's an injectable controlled by a separate regulatory class.

The barriers are: needle aversion, training requirement (a urology nurse teaches you in one visit), and the rare but real risk of priapism (>4-hour erection requiring ER intervention). The men who get over the needle barrier almost universally report it works better than any pill.

Rung 3: Intraurethral suppository. Alprostadil delivered as a small pellet inserted into the urethra (MUSE — Medicated Urethral System for Erection). Less efficacy than ICI (~50%), no needle. Often skipped now because most men who can tolerate MUSE prefer ICI's higher success rate.

Rung 4: Penile prosthesis. Surgical implant. Inflatable or malleable. Three-piece inflatable models give the most natural function. Patient and partner satisfaction is consistently above 90% in published series (Bettocchi C et al., J Sex Med 2010;7:304-9, n=80), with mechanical reliability above 90% at 5 years (Wilson SK et al., J Sex Med 2007).

Cost in the US: $20,000-30,000 if uninsured. Often covered by insurance for documented ED post-prostatectomy. This is the end of the road — irreversible because the corpora cavernosa are physically modified during placement. Reserved for men who failed everything else and are willing to make the trade.

Rung 5 (experimental): low-intensity shockwave therapy. LiSWT. Marketed by clinics for $3,000-6,000 per series. Evidence is real but modest — Capogrosso et al. 2019 systematic review found small IIEF improvements in mild ED, weak evidence in moderate/severe. Not standard of care. The clinics that sell it sell it hard. Worth knowing the evidence is genuinely mixed before paying.

The simple decision tree: PDE5 fail twice across two molecules → try VED before any injectable. VED has zero financial commitment beyond the device, and a meaningful fraction of men respond. If VED fails, ICI is the next conversation. ICI is so effective in PDE5 non-responders that it is, statistically, the best second-line tool that exists.

Section 6 — The reset protocol: when you've been on PDE5 for years

You've been taking sildenafil or tadalafil for 3-5 years. It still works, mostly, but you wonder if there's a way out. Or you've noticed it works less well than it used to. Or you just want to stop being on a pill.

There is a reset framework. It has three steps. None of them are "stop cold and hope."

Step 1: 4-week PDE5 holiday with structured lifestyle reload.

Stop the pill for 4 weeks. During those 4 weeks, run the section-3 lifestyle protocol at maximum intensity — daily cardio, hard calorie deficit, 7+ hours sleep, no alcohol, no nicotine. The point of the holiday is not to test if you "still have it." The point is to give your endothelium a clean read on its own current state, without pharmacological augmentation.

What you observe in week 4 is your real baseline. If function is good, you have proven that the lifestyle changes restored vascular reserve, and the next question is whether you need the pill at all or only situationally.

If function is poor, you have ruled out lifestyle as a sufficient solo intervention, and the answer is to resume the pill consciously rather than reflexively.

Step 2: Re-bloodwork.

Re-run the section-2 lab panel at week 4. Compare to the original baseline. Specifically watch:

• A1c trend (target under 5.6%)
• LDL trend (target under 100 if no other risk factors, under 70 if any vascular history)
• Total testosterone trend (significant change in either direction matters more than the absolute number)
• BP average trend

If labs have improved, lifestyle is the long lever. If labs haven't moved, you are likely at the floor of what lifestyle can do alone for you, and the pharmacological stack — PDE5 plus possibly statin, possibly metformin, possibly an SGLT2 inhibitor — is the right stack to be on.

Step 3: Resumption with the lowest effective pharmacologic load.

Most men who go through the holiday come back and discover they don't need 100mg sildenafil PRN anymore. They need 25-50mg situationally, or daily 2.5-5mg tadalafil. The reset isn't about quitting; it's about recalibrating the dose to the actual current need rather than the level your body adapted to over 5 years of unnecessary maxing.

One important note on tachyphylaxis. PDE5 inhibitors do not develop true pharmacological tolerance. The receptor remains sensitive. What develops is psychological dependency on the predictability of the effect.

The "I can't do it without the pill" feeling, in men whose vascular system tests normal, is not a tolerance phenomenon. It's a learned-behavior phenomenon. The reset protocol breaks the learned association without requiring you to white-knuckle it indefinitely.

Section 7 — The economics: telehealth vs urologist+retail vs personal-import

You have three structural options for getting these molecules. None of them is "best" universally. Each has a real trade-off.

Option A: Urologist visit + CVS or local pharmacy with cash + GoodRx.

• Cost: $150-400 first visit, $25-30/mo for generic sildenafil 30 tablets.
• Lead time: instant (same day after visit).
• Pros: real provider relationship, in-person exam, full diagnostic workup capability.
• Cons: highest upfront cost, requires geographic access to a urologist accepting new patients (3-12 week wait in many US markets).
• Best for: men who want a workup, suspect non-vascular causes, have insurance covering specialist visits.

Option B: Telehealth (Hims, Roman, BlueChew, Forhims).

• Cost: $22-99/month for sildenafil at the middle tiers; $40-82/month for daily tadalafil; sometimes $8/month loss-leader on tadalafil daily (Roman, subject to change).
• Lead time: 24-72 hours for first prescription, recurring auto-shipment.
• Pros: convenient, async questionnaire, discreet packaging, no in-person visit.
• Cons: pricing markup over the wholesale molecule cost; default dose nudging (100mg sildenafil bias); subscription lock-in optimized for retention not titration; minimal real diagnostic capability (the questionnaire isn't a workup).
• Best for: men who already know it's straightforward ED, value convenience, can afford the premium, want a US-licensed prescription on file.

Option C: Personal-import (LiberaCure, AllDayChemist, InhousePharmacy.vu, ReliableRx).

• Cost: $5-25/month for generic sildenafil; $15-40 for tadalafil daily; full molecule lineup available in dose variety US pharmacies don't carry.
• Lead time: 2-4 weeks (international shipping with customs).
• Pros: lowest per-pill cost; full dose range (sildenafil 25/50/100/150/200, tadalafil 2.5/5/10/20/40/60); no subscription lock-in; crypto-only checkout means no card-network fee or US-bank-trail; the 90-day personal-use FDA enforcement carve-out is the legal framework.
• Cons: 2-week minimum lead time means no same-week supply; no licensed US provider relationship; you are responsible for understanding the medication; reship policy varies by router.
• Best for: men who already know what they need, value cost and dose optionality, comfortable with crypto and the personal-import framework.

For LiberaCure specifically — our policy in one paragraph, since you'll want to compare: LiberaCure reships once free if tracking shows lost in transit. Second reship also free. Crypto refund (BTC/ETH/USDT) on third failure. Email reply 24-48h ([email protected]) — no live chat, no phone. Crypto means no chargeback, so this explicit reship-then-refund is our equivalent of dispute resolution. We're not the deepest customer-service site in this lane — AllDayChemist and ReliableRx outspend us there — but the policy is one screen, not buried in a PDF.

The honest framing: if you're running diagnostic step 1-3 yourself successfully and you want the lowest sustainable monthly cost, option C is the math. If you want a workup or you suspect there's something more going on, you start with option A. Option B is the convenience tier — you're paying for not having to know anything, which is a real product some people genuinely want.

We've broken down the Hims markup here, the TRT clinic markup here, and the factory-level supply chain here for those who want the inputs to the spread.

Section 8 — The metaphor that explains all of the above

ED is your body's vascular smoke alarm. The pill silences the alarm without checking what's burning.

Most ED guides treat the symptom as the disease. They write you 100mg sildenafil and call it solved. The alarm stops. Whatever's smoldering in your arteries continues smoldering, except now you're not getting the daily reminder.

This guide treated the alarm as a signal. Section 1 sorted the type of fire. Section 2 found out where the smoke was coming from. Section 3 tried to put the fire out. Section 4 silenced the alarm with a small dose. Section 5 added a louder silencer when the small one failed. Section 6 turned the alarm back on periodically to check the fire.

That sequence is what a urologist with three hours per patient and no production targets would walk you through. Most don't have three hours per patient. So you walk yourself through it.

TL;DR — if you only read one section, read this.

What to do this month — a one-page action plan

If you do nothing else after reading this, do this:

Week 1:

• Order the lab panel from Quest or LabCorp. $80-150. No prescription. Total testosterone + free testosterone + SHBG + A1c + lipid panel + prolactin + TSH.
• Buy a $25 BP cuff. Measure twice daily, average it after 7 days.
• Self-check: morning erections, masturbation, partnered. Pattern recognition.

Weeks 2-12:

• Run the lifestyle stack. Cardio 150 min/week minimum. 10% body weight off if BMI over 28. Sleep 7+ hours. Alcohol under 7/week. Smoking zero.
• If symptom resolves, stop here.

If symptom persists at week 12:

• Sildenafil 50mg PRN, on empty stomach, 45+ min before sex.
• If 50mg works twice, stay there.
• If 50mg fails twice, escalate to 100mg.
• If 100mg fails twice, switch molecule (tadalafil 10-20mg PRN or 5mg daily).
• If two molecules fail at appropriate doses, you are in second-line territory. VED first (lowest barrier to entry), ICI second (highest non-surgical success rate). Find a urologist — this is where personal-import has nothing to offer you.

Annually thereafter:

• Re-run the lab panel.
• Consider a 4-week PDE5 holiday + lifestyle reload to reassess true baseline.
• Recalibrate dose downward if possible.

That's the framework. Sources for every claim are at the bottom.

A note on bias.

We route sildenafil and tadalafil orders. Be aware of that.

LiberaCure routes orders to licensed personal-import pharmacies. Suhagra (by Cipla) is one of the sildenafil products we ship most often, alongside generic sildenafil from other global pharma giants — Caverta (by Sun Pharma) and Vasosure (by Lupin). Our tadalafil routes primarily through the same global-pharma lane — Tadacip and Tadaflo (Cipla), Modula and Forzest (Sun Pharma), Tazzle (Dr. Reddy's). So we have a financial reason to want this article to lead you toward "give option C a try."

But option C is one of three. If you need a workup, option A is right. If you want convenience and can afford the premium, option B is right. The framework above is what I'd tell a friend, not what maximizes our reorder rate.

For the related deep dives:

• Your ED at 30 isn't a sex problem — vascular preceding cardiac
• 4 PDE5 options by half-life — which one fits your weekend
• Sildenafil 50mg vs 100mg — the FDA recommended starting dose
• Tadalafil daily vs PRN economics — when daily is cheaper
• Cenforce vs Viagra — same molecule, partially shared factories
• Most online ED pharmacies route from the same factories — markup, not product
• Hims markup breakdown — what $22-96/mo actually buys you
• TRT clinic sildenafil markup — $200/mo for a $5 pill
• Finasteride side effects — 1.4% trial vs 30% Reddit, both right

Sources:

• Inman BA et al. A population-based, longitudinal study of erectile dysfunction and future coronary artery disease. Mayo Clin Proc 2009;84(2):108-113. PMID 19181643
• Esposito K et al. Effect of lifestyle changes on erectile dysfunction in obese men: a randomized controlled trial. JAMA 2004;291(24):2978-2984. PMID 15213209
• Goldstein I et al. Oral sildenafil in the treatment of erectile dysfunction. N Engl J Med 1998;338:1397-1404. PMID 9580646
• Yuan J et al. Comparative effectiveness and safety of oral phosphodiesterase type 5 inhibitors for erectile dysfunction: a systematic review and network meta-analysis. Eur Urol 2013;63(5):902-912.
• Carson CC et al. Long-term safety and efficacy of vardenafil (PROVEN trial). BJU Int 2004;94:1301-1309. PMID 15610110
• Roehrborn CG et al. Tadalafil administered once daily for lower urinary tract symptoms secondary to benign prostatic hyperplasia. J Urol 2008;180(4):1228-1234. (FDA approval for BPH indication: October 2011.)
• Lewis RW, Witherington R. External vacuum therapy for erectile dysfunction: use and results. World J Urol 1997;15(1):78-82.
• European multicenter long-term intracavernosal alprostadil series (multiple authors, 1990s-2010s): pooled efficacy ~70-85% in PDE5 non-responders.
• Bettocchi C et al. Patient and partner satisfaction after AMS three-piece inflatable penile prosthesis implant. J Sex Med 2010;7(1 Pt 1):304-309.
• Wilson SK et al. Long-term survival of inflatable penile prostheses: single surgical group experience with 2,384 first-time implants spanning two decades. J Sex Med 2007;4(4 Pt 1):1074-1079.
• Capogrosso P et al. Low-intensity shock wave therapy in sexual medicine — clinical recommendations from the European Society of Sexual Medicine. J Sex Med 2019;16(10):1490-1505.
• Cao S et al. Smoking and risk of erectile dysfunction: systematic review of observational studies with meta-analysis. PLoS One 2013;8(4):e60443. (n=28,586; OR 1.51 for current smokers vs never-smokers.)
• Leproult R, Van Cauter E. Effect of 1 week of sleep restriction on testosterone levels in young healthy men. JAMA 2011;305(21):2173-2174.
• Burnett AL et al. Erectile Dysfunction: AUA Guideline. J Urol 2018;200(3):633-641.
• FDA labels: Viagra (NDA 20-895), Cialis (NDA 21-368), Levitra (NDA 21-400), Stendra (NDA 202-276).
• Hims, Roman, BlueChew, GoodRx, CVS pricing data, April 2026.

— LiberaCure editorial. We route generic medication through licensed personal-import pharmacies. We don't dispense, prescribe, or warehouse. Read more about why.