ED guide · Condition

Erectile dysfunction treatment: causes and options

Erectile dysfunction treatment starts with the cause. The NIH lists blood-vessel disease, diabetes, nerve and hormone problems, medicines, stress and lifestyle. Oral PDE5 inhibitors such as sildenafil and tadalafil improve blood flow to the penis. Mendoxa's prescribed 3-in-1 tablet starts at $129 a month.

Start your ED visit From $129/month. If prescribed · Cancel anytime · Available in 49 states (not California).

Man in his forties at home, the kind of patient who starts a private online ED visit

Erectile dysfunction symptoms

The NIH (NIDDK) lists three: getting an erection sometimes but not every time you want sex; getting an erection that does not last long enough for sex; and being unable to get an erection at any time. It adds that ED may be a symptom of another health problem.

Erectile dysfunction causes

GroupExamples the NIH lists
Heart and blood vesselsAtherosclerosis, high blood pressure, stroke
Chronic conditionsDiabetes, chronic kidney disease, obesity, COPD
HormonesLow testosterone, thyroid imbalance
NervesMultiple sclerosis, spinal cord injury, pelvic surgery
MedicinesAntidepressants, blood pressure medicines and diuretics, antihistamines, some pain relievers, sedatives
Mental healthAnxiety, depression, stress

ED can also be an early warning for the heart. In a JAMA study of 9,457 men aged 55 or older, men with ED had a hazard ratio of 1.45 for later cardiovascular events (95% CI 1.25–1.69). The authors concluded ED “should prompt investigation and intervention for cardiovascular risk factors.”

Mendoxa ED plans and prices

The Mendoxa ED tablet is a compounded rapid-dissolve tablet with sildenafil (the active ingredient in Viagra), tadalafil (the active ingredient in Cialis) and apomorphine. It dissolves under the tongue. The Mendoxa ED page lists a maximum of 1 dose per 24 hours. A licensed clinician decides if it fits you and selects the strength. Compounded medicines are not FDA-approved.

Plan1-month planPer tablet3-month planPer tablet (3 months)
6 tablets / month$129$21.50$329$18.28
10 tablets / month$149$14.90$379$12.63
20 tablets / month$179$8.95$449$7.48

If prescribed · Cancel anytime · Available in 49 states (not California). Prices from the Mendoxa intake at try.mendoxa.co/f/ed on Oct 17, 2026. The intake always shows the current price.

Start your ED visit

PDE5 inhibitors for erectile dysfunction

The NIH describes PDE5 inhibitors as oral medicines that improve blood flow to the penis and may help you get and keep an erection. The FDA-labeled ones are sildenafil, tadalafil, vardenafil and avanafil.

MedicineLabel startLabel timingHalf-life
Sildenafil (Viagra)50 mgAbout 1 h before; 30 min to 4 hAbout 4 h
Tadalafil (Cialis)10 mg, or 2.5 mg dailyEffect vs placebo up to 36 h17.5 h
Vardenafil10 mgAbout 60 min beforeAbout 4–5 h
Avanafil (Stendra)100 mgAs early as about 15 min beforeAbout 5 h
0 h 4 h 8 h 12 h 18 h Sildenafil (Viagra) Terminal half-life about 4 h Vardenafil Terminal half-life about 4–5 h Avanafil (Stendra) Terminal elimination half-life about 5 h Tadalafil (Cialis) Mean terminal half-life 17.5 h
Half-life on each FDA label.

The Viagra and Cialis labels list the same hard stops. Do not use them with organic nitrates in any form, or with a guanylate cyclase stimulator such as riociguat. Do not use them if sex is inadvisable because of your heart. Get emergency care for an erection that lasts more than 4 hours. Stop and get care for a sudden loss of vision in one or both eyes, or a sudden decrease or loss of hearing.

Other ED treatment options

The NIH also lists lifestyle changes (quitting smoking, limiting alcohol, more activity, a healthy weight), counseling, testosterone when it is low, injectable medicines and urethral suppositories, vacuum erection devices, and surgery when other options fail.

Where Mendoxa fits

Mendoxa is one path: an online visit that may end in a compounded rapid-dissolve tablet with sildenafil, tadalafil and apomorphine. The FDA says compounded drugs are not FDA-approved, and that the FDA does not verify their safety, effectiveness or quality before they are marketed. That applies to the Mendoxa tablet and to every other compounded ED product on this page. A clinician can say no, and should, if your heart history points elsewhere first.

FAQ

What is the first treatment for erectile dysfunction?

The NIH says health care professionals treat the underlying cause when possible, and may suggest lifestyle changes, counseling or medicines such as PDE5 inhibitors.

What causes erectile dysfunction?

The NIH lists diseases of blood vessels, nerves and hormones, diabetes, some medicines, anxiety, depression and stress, and lifestyle factors.

Is ED linked to heart disease?

A JAMA study of 9,457 men found ED was associated with a higher rate of later cardiovascular events (hazard ratio 1.45). It is a reason to check heart risk.

What are PDE5 inhibitors?

Oral medicines that improve blood flow to the penis: sildenafil, tadalafil, vardenafil and avanafil have FDA labels for ED.

Can I get ED treatment online?

Yes, after a clinician review. Mendoxa's plans start at $129 for 1 month, if prescribed.

Start your ED visit: plans and prices

The Mendoxa ED tablet is a compounded rapid-dissolve tablet with sildenafil (the active ingredient in Viagra), tadalafil (the active ingredient in Cialis) and apomorphine. It dissolves under the tongue. The Mendoxa ED page lists a maximum of 1 dose per 24 hours. A licensed clinician decides if it fits you and selects the strength. Compounded medicines are not FDA-approved.

Plan1-month planPer tablet3-month planPer tablet (3 months)
6 tablets / month$129$21.50$329$18.28
10 tablets / month$149$14.90$379$12.63
20 tablets / month$179$8.95$449$7.48

If prescribed · Cancel anytime · Available in 49 states (not California). Prices from the Mendoxa intake at try.mendoxa.co/f/ed on Oct 17, 2026. The intake always shows the current price.

Start your ED visit

About Mendoxa

Mendoxa (mendoxa.co) is a US telehealth brand. Licensed clinicians in the LocumTele network review each online visit, and prescriptions are filled by Rush Pharmacy, a licensed US pharmacy. Available in 49 states (not California).

  • A licensed clinician reviews every visit and can say no. A prescription is not automatic.
  • A compounded medicine is not an FDA-approved finished product.
  • Plans: 1 month or 3 months, from $129. If prescribed · Cancel anytime · Available in 49 states (not California).
Start your ED visit Mendoxa ED care

Compounded medication prescribed only if a licensed U.S. clinician decides it is appropriate. Not FDA-approved as a finished product. Not available in California. This site is not for emergencies. Call 911 if you need urgent care.