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Potential Side Effects and Safety Profiles of ED Treatments

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Neurogenic ED occurs as a result of nerve problems, which prevent signals from traveling from your brain to your penis to create an erection. This can happen because of trauma, pelvic surgery, radiation therapy or neurologic conditions like stroke, spinal stenosis and multiple sclerosis (MS). Hormonal ED refers to ED that happens as a result of testosterone deficiency, or in some cases as a result of thyroid issues. Psychogenic ED involves psychological conditions (conditions that affect your thoughts, feelings or behavior) that can cause ED.

Erectile dysfunction is the most common sex-related condition that males report to healthcare providers, especially as they age and develop other health issues. Providers and medical researchers estimate that erectile dysfunction affects over 50% of males between the ages of 40 and 70. And those numbers may be higher — many don’t seek help for the condition due to embarrassment or shame.

What are the different types (and causes) of ED?

Liou says. We don't have strong proof yet that starting to live a healthier lifestyle can reverse erectile problems, but it can't hurt. Read 5 natural ways to overcome erectile dysfunction. As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.

The mental side of sex

No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician. Erectile dysfunction (ED) is the inability to get or maintain an erection long enough to have sexual intercourse. There are many different causes, which may include conditions that affect your blood vessels, neurological conditions, mental health conditions and injuries. A healthcare provider can diagnose and treat erectile dysfunction. Cleveland Clinic is a non-profit academic medical center. Only sometimes being able to get an erection before sexual intercourse. Being able to get an erection before sexual intercourse but not being able to maintain it during sexual intercourse.

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Requiring a lot of stimulation to maintain an erection. There are many possible causes of ED, including conditions that affect your: Your circulatory system includes the blood vessels that carry blood throughout your body. Your penis needs adequate blood flow to become erect and maintain an erection. Your penis also relies on a series of valves to close when it fills with blood — in some cases, these valves stop working as they should. Your nervous system includes your brain, spinal cord buy fildena 100 online and nerves. They work together to send electrical impulses that help your body move and feel, including your penis. Your endocrine system includes the glands that create and release hormones. Hormones help tell your body to perform certain functions. Testosterone may help open up (vasodilate) your blood vessels, which helps blood flow to your penis. Injuries (trauma) to your penis and surrounding areas can also cause ED.

Injuries to your pelvis bones (hip bones, sacrum and tailbone), bladder, prostate and spinal cord.

Other types of medicines

ED drugs produce an erection sufficient for intercourse in about 70% of men. But the results vary quite a bit from one individual to another. A man with nerves or arteries damaged by prostate surgery, diabetes, or cardiovascular disease will not respond as strongly to ED drugs. "There are some men in whom none of these drugs work," Dr. Liou says.

By Mode of Administration

How soon the drugs start working ranges from 15 to 60 minutes. Neither Viagra nor Levitra will work if you take them after a meal, which blocks their absorption. However, neither Cialis nor Stendra interact with food this way. The onset time determines how soon you can engage in intercourse. Stendra and daily-use Cialis are closest to being an "on demand" erectile drug; using the others requires more planning. Pelvic surgery, including prostate, colon or bladder cancer surgery.

How is ED diagnosed?

If you’re having difficulty getting or maintaining an erection, it’s a good idea to schedule an appointment with a healthcare provider for further discussion. In many cases, ED can be the first symptom of another underlying problem, including heart disease. It’s important to talk to a healthcare provider if you have problems getting and maintaining an erection. Healthcare providers separate ED into several categories: Vascular ED includes causes that affect the blood vessels that send blood to the tissues in your penis that allow you to get and maintain an erection, or the valves in the penis that normally hold blood inside. Vascular ED is the most common type of ED. Erectile dysfunction is a common side effect of many prescription drugs. Common medications that list ED as a potential side effect include: Substances that have addiction potential may cause ED, including: These substances can affect and suppress your central nervous system. They can also cause severe damage to your blood vessels, which may lead to permanent erectile dysfunction.

Make sure you take the right drug for you.

The durations of action range from four hours to more than a day (for Cialis in the higher doses). Each dose should be sufficient to provide a full cycle of intercourse, from erection to climax. To have sex more than once a day, Cialis is your best bet. The most common side effects of ED drugs, in order of most to least common are headache, flushing, upset stomach, nasal congestion, vision problems, diarrhea, dizziness, and rash. A man who has an erection that lasts four hours or more needs to get to a hospital or risk permanent damage.

Effective solutions

None of the ED drugs is safe to take with cardiac drugs called nitrates because it could cause a dangerous drop in blood pressure. Drugs that many men take for urinary symptoms, called alpha blockers, can also lower blood pressure, so take them at least four hours apart from ED drugs. Your doctor may start you on a smaller dose of the ED drug if you already take an alpha blocker or may recommend the alpha blocker tamsulosin (Flomax), which affects blood pressure less. ED is often an early warning sign of underlying cardiovascular disease, such as tadacip 20 tablet clogged arteries (atherosclerosis). "It can predate a diagnosis of cardiovascular disease by at least a few years," Dr. Fear of sexual intercourse or intimacy (genophobia). Conditions that affect your body’s ability to deliver blood to your penis are the most common cause of ED. You may have a greater risk of getting ED if you: Have a body mass index (BMI) over 25. A healthcare provider can diagnose ED and determine its cause.

Drug Name Contraindicated With Common Precautions Notes
Sildenafil Nitrates Cardiac disease Risk of severe hypotension
Tadalafil Nitrates, alpha-blockers Hypotension, liver impairment Caution with CYP3A4 inhibitors
Vardenafil Nitrates Severe cardiovascular issues Avoid in severe eye conditions
Avanafil Nitrates Liver or kidney impairment Monitor blood pressure

They’ll review your medical history and perform a physical exam.

They’ll also ask you questions about your personal and sexual history.

These questions may make you feel embarrassed or awkward. But it’s important to be honest with the provider in order to quickly determine the cause. Are you currently taking any medications, including prescription drugs, over-the-counter drugs, herbal supplements, dietary supplements and nonmedical drugs? Has a healthcare provider ever diagnosed you with depression or anxiety?

Segmental Overview

Dr. Liou says that some men come to him after getting a prescription from their primary care doctors, claiming that the drug doesn't work. Sometimes it's because they used it incorrectly. "The biggest misconception is that these drugs are an on/off switch for erections," Dr. Liou says.

Phosphodiesterase Type 5 Inhibitors

But the drugs don't work well without sexual stimulation. "During that time, you need to be with your partner and have foreplay," Dr. Liou says. "Don't take it, do the taxes or the dishes, and then meet at the bedroom thinking you'll be ready to go. The ED drugs break down at different rates in the body. How often are you able to get erections? How long are you able to maintain an erection? Do you lose your erection because you ejaculate sooner than you would like?

Non-medical use

These all improve blood supply to the penis. In combination with sexual stimulation, the drugs can produce an erection sufficient to initiate and complete intercourse. There is also a fast-dissolving form of Levitra, called Staxyn, that you put under your tongue. One ED drug, Cialis, is FDA-approved for use daily in a dose of 2.5 or 5 milligrams. This helps to produce erections on demand and may also help relieve urinary problems, like difficulty starting urination, that result from an enlarged prostate.

Key takeaways

The cost to you for ED drug therapy varies considerably, depending on the pharmacy price, prescription co-pays, and your level of health plan coverage. Even if private insurance covers it, you may be limited to four doses per month. Here are a few things you can do to contain costs: Various web-based tools can help you compare prices easily. Ask your doctor about pill splitting, where you get the pills at a higher dose than you need and divide them. These allow you to obtain a limited supply of medications not covered by your insurance. When did you first notice symptoms of erectile dysfunction? What exactly happened when you first had erectile dysfunction symptoms?

Drug Name Common Side Effects Less Common Side Effects Serious Side Effects
Sildenafil Headache, flushing Nasal congestion Vision changes
Tadalafil Muscle pain, flushing Back pain Priapism
Vardenafil Dizziness, flushing Nasal congestion Hearing loss
Avanafil Dry mouth, headache Flushing Priapism

Do or did you experience erections at night or during the morning? What sexual positions do you regularly engage in? The provider may also ask to talk with your sexual partner. Your partner may be able to offer additional insight on potential causes. The provider may order tests to confirm their diagnosis and determine the cause of your ED. It depends on what your healthcare provider suspects is causing erectile dysfunction.

Penis pumps, surgery and implants

Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Erectile dysfunction (ED) is a type of penile disorder. It affects your ability to get and maintain an erection firm enough for sexual intercourse. Your feelings play a major role in getting and maintaining an erection.

PDE5 inhibitors can treat all men with ED: FALSE.

Feeling relaxed, confident and aroused is essential. But it’s normal to sometimes have erection issues. Erection problems can occur if you feel nervous, anxious, frustrated or tired. Drinking alcohol and/or using substances can also have an effect. It can also result from other conditions or as a side effect of certain medications or cancer treatments.

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