During a penile erection, the penis fills with blood. The blood vessels that supply the penis with blood expand, or dilate, and the vessels that take blood away from the penis contract. The two large chambers in the penis, known as the corpus cavernosa, fill with blood. As the blood accumulates in the penis, an erection results.

Key Takeaways

You may find that one works better for your schedule or that there are differences in the side effects for you. But these medications work the same basic way, so you’re likely to have similar results. Again, do not use these ED medications if you take nitrates, such as nitroglycerin or a similar medicine, for chest pain. But there are other situations that may make these medications unsafe as well. Before you take Viagra or one of the others, tell your doctor: If you are allergic to any medications, including other ED medications About any prescription or nonprescription medications you take, as well as any herbal and dietary supplements If you are scheduled for surgery, even dental surgery If you take alpha-blockers for blood pressure or prostate problems.

Storage and Handling

These can lower your blood pressure when taken with ED pills. Always follow the directions on your prescription label carefully. Also, make sure to ask your doctor or pharmacist to explain anything you don’t understand. You should also avoid these medications if you have uncontrolled high or low blood pressure or if you get chest pain while having sex. Side effects are not common, but they can happen.

5.3 Drug Interactions

• A headache• Upset stomach or heartburn• Feeling of warmth• Nasal congestion• Changes in vision (lights tinged with color, glare) You may need emergency treatment if you get an erection that lasts for more than 4 hours and happens without any sexual excitement. You may hear a doctor call it a “priapism.” Blood becomes trapped in the penis and can’t flow back out. It can lead to scarring and permanent ED if not treated. Also get emergency treatment with any of the following: If you’re having chest pain and have taken Viagra in the past 24 hours or Cialis in the past 48 hours, don’t take nitroglycerin. Call for an EMS and make sure you or someone with you tells them which ED medicine you took. Vardenafil belongs to a class of drugs called phosphodiesterase type-5 (PDE5) inhibitors.

Herbal Viagra No-RX Formulas: Over-the-counter herbal pills marketed as natural ED treatments.
Niacin Flush Supplements: Support blood flow, but consult doctor for safety.
Yoga and Meditation: Improve blood flow, reduce stress levels influencing ED.
Vitamin D: Adequate levels necessary for libido and overall sexual health.
Weight Loss Programs: Reduce obesity, a major factor in erectile dysfunction.
Sleep Hygiene: Good sleep supports hormone balance and erectile health.

A PDE5 inhibitor stops PDE5 from constricting the arteries. By relaxing the arteries, vardenafil enhances blood flow when a man is sexually aroused. The active ingredient works on the chain of reactions within the penis during arousal.

Product	Dosage	Quantity + Bonus	Price
Levitra Generic	40mg	120 + 8 Pills	302.37€ 287.97€
Levitra Professional	20mg	10 Pills	62.37€ 59.40€
Levitra Generic	60mg	30 + 2 Pills	109.43€ 104.22€
Levitra Soft Tabs	20mg	120 + 8 Pills	288.52€ 274.78€
Levitra Soft Tabs	20mg	180 + 10 Pills	398.14€ 379.18€
Levitra Generic	60mg	360 + 10 Pills	906.69€ 863.51€
Levitra Original	20mg	34 + 2 Pills	188.51€ 179.53€
Levitra Professional	20mg	90 + 2 Pills	304.49€ 289.99€
Levitra Generic	40mg	90 + 6 Pills	234.73€ 223.55€
Levitra Generic	40mg	180 + 10 Pills	405.06€ 385.77€
Levitra Professional	20mg	270 + 6 Pills	738.98€ 703.79€

When a male is sexually aroused, nitric oxide is released into his penis, and this triggers a chain of reactions.

7. Future Perspectives and Research Direction

It’s important to take the medication as prescribed and allow adequate time for it to work before sexual activity. If erections remain unsatisfactory, consulting a healthcare provider is advisable to evaluate other causes or consider alternative treatments. Lifestyle changes such as reducing alcohol, managing stress, and addressing cardiovascular health may also improve outcomes. Disclaimer: This information is AI-generated and intended for general guidance only. For advice specific to your situation, please consult a verified expert on JustAnswer before making decisions.

What does Levitra do to the blood vessels?

Members enjoy round-the-clock access to 12,000+ verified Experts, including doctors, lawyers, tech support, mechanics, vets, home repair pros, more. After you reach out, we match you with an Expert who specializes in your situation. No scheduling hassles, missing time from work, or expensive consults. A JustAnswer membership can save you significant time and money each month. Sarahesq and 87 other doctors are ready to help you.

ScriptSave WellRx

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc. ), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. This causes an enzyme, guanylate cyclase, to produce cyclic guanosine monophosphate (cGMP). cGMP regulates the contraction and dilation, or expansion, of blood vessels that carry blood to and from the penis. The chemical reaction causes the vessels that supply the penis levitra 20 mg tablet to dilate, while those removing blood from the penis contract. Phosphodiesterase-5 (PDE5), another enzyme breaks down or destroys cGMP. When cGMP is destroyed, the blood vessels return to their normal size, effectively ending the erection.

When Erectile Dysfunction Pills Aren't an Option

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance. Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent. I will tell you that...the things you have to go through to be an Expert are quite rigorous. Web sites like justanswer.com/legal ...leave nothing to chance. Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions. In this way, it allows cGMP to work for longer. As a result, it helps prolong an erection.

Product / Method	Average Cost per Dose	Over-the-Counter / Prescription	Notes
Levitra (brand)	$20-$50	Prescription	Brand name, higher cost
Generic Sildenafil	$1-$5	Prescription	Most affordable generic option
Tadalafil (Cialis)	$15-$40	Prescription	Longer duration of effect
Herbal Supplements	$10-$30 for a month's supply	OTC	Variable quality, less regulated

Vardenafil is available in tablets of 2.5 milligrams (mg), 5 mg, 10 mg, and 20 mg.

What Precautions Should I Take?

You should also stop these medications and call your doctor right away if you have vision loss. A rare vision problem called NAION -- short for “nonarteritic anterior ischemic optic neuropathy” -- has been reported by a few men using these drugs. The condition causes a sudden loss of eyesight because blood flow is blocked to the optic nerve. People who have a higher chance for NAION include those who: Have heart disease, diabetes, high blood pressure, or high cholesterol levels Keep them in their original container and out of reach of children. Store them away from heat and moisture (not in the bathroom).

Am. J. Med.

When they expire or you don’t need them anymore, get rid of them. Customer: I am looking for an answer to I take levitra tablets but can not achieve a good erection that will last. Answered by Dr. R in 1 hour 16 years ago They can increase the dosage or try another pill such as cialis. Additionally it can be used in combination with a medicine called muse which is a pellet inserted into the penis.

What is the generic version of Levitra?

I wound see your urologist to be examined and bayer levitra 20mg have some blood work done. Additional options include injections and procedures as well. If you are satisfied with my answer, please hit the green accept button. Erectile dysfunction persistence and medication effectiveness concerns. Levitra is used to help improve erectile function, but factors like stress, underlying health conditions, or incorrect usage can affect results. The first dose is normally 10 mg. A 10-mg dose of vardenafil is approximately equivalent to 50 mg of sildenafil, or Viagra. This is because the chemical composition of vardenafil is different from that of sildenafil. Vardenafil is taken 25 to 60 minutes before sex. The effect lasts for up to 5 hours.

Herbal Viagra: Over-the-counter herbal blends marketed as ED supplements.
Natural Testosterone Boosters: Supplements like fenugreek and tribulus terrestris.
Ashwagandha: Adaptogenic herb that may improve stress and sexual health.
Resveratrol: Antioxidant that might improve vascular function and erectile performance.
Maca Root Extract: Natural stimulant for libido and energy.
Muira Puama: Traditional herbal remedy used to treat erectile dysfunction.

A maximum of one tablet can be used every 24 hours. Orodispersible tablets must be left to dissolve on the tongue before swallowing. They should not be taken with any kind of drink. The drug will not work unless the man is sexually aroused, so foreplay will normally be necessary.

Advancing Effective Research Policy

JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. Multi-Step Expert Quality Process, including license verification and peer reviews. Join over 10 million members who save money versus in-person appointments. Discuss your individual situation with an Expert who specializes in your topic, 24/7. No driving across town or wasted time in the waiting room.

How to Use Viagra™

All Experts must pass a rigorous Multi-Step Expert Quality Process, including license verification and peer reviews. We pride ourselves in our multi-step verification process including license and credential checks. Vetted by us and rated by customers, like you. Ask-a-doc Web sites: If you've got a quick question, you can cost levitra uk try to get an answer from sites that say they have various specialists on hand to give quick answers.. Justanswer.com. Vardenafil can be taken with or without food, but drinking alcohol is not advised, as it reduces the chance of getting an erection.

Side Effects

Vardenafil, also known by the brand name Levitra, is a prescription medication that treats male erectile dysfunction. Erectile dysfunction is when a man is unable to get or sustain an erection. It usually happens because the arteries that carry the blood to the penis are too narrow. Vardenafil increases blood flow to the penis. Its action is similar to that of sildenafil, or Viagra, but Viagra lasts between 2 and 4 hours, while Levitra lasts 4 hours. Alcohol can also increase the risk of adverse effects. As with all medications, adverse effects and interactions can occur when using vardenafil. One in 10 men will experience headache. In most cases, these disappear within a few hours.

Cialis (Tadalafil): Long-lasting ED treatment alternative, effective up to 36 hours, available by prescription.
Stendra (Avanafil): Fast-acting ED medication, starts working in 15 minutes, fewer side effects.
Avana (Avanafil generic): Cheaper generic option for fast-acting erectile dysfunction relief.
Herbal Supplements: Natural options like ginseng and L-arginine may improve erectile function.
Vacuum Erection Devices: Mechanical pumps increase blood flow to achieve an erection without medication.
Penile Injections: Medications like alprostadil injected directly into the penis for effective results.

ringing in the ears, or sudden hearing loss swelling in the ankles, hands, or feet The patient should stop using vardenafil if these occur. This can lead to hives, difficulty breathing, and swelling of the face, tongue, and throat. If these symptoms appear, it should be treated as a medical emergency. Very rare side effects may include priapism, when an erection lasts longer than 4 hours. If an erection lasts too long, the individual should seek medical attention. Visual disturbances can happen when blood pressure drops in the eye. The individual may see a blue tinge to objects, and they may have difficulty distinguishing between the colors green and blue. Very rarely, there may be a sudden deterioration in vision in one or both eyes.