Below are lists of medications that can interact with Viagra. Before taking Viagra, talk with your doctor and pharmacist. Tell them about all prescription, over-the-counter, and other drugs you take. Also tell them about any vitamins, herbs, and supplements you use. Sharing this information can help you avoid potential interactions. If you have questions about drug interactions that may affect you, ask your doctor or pharmacist.
This includes prescription medications, such as:. Taking Viagra with other ED medications increases your risk of certain side effects, such as low blood pressure and priapism.
This includes certain prescription drugs, such as nitroglycerin , used to treat angina a type of chest pain. It also includes certain illicit drugs called poppers , such as amyl nitrate. Taking Viagra with nitrates can cause a dangerous drop in your blood pressure that can lead to heart attack or stroke. Taking Viagra with these medications can cause your blood pressure to drop too low. Viagra can sometimes cause low blood pressure.
Taking Viagra with drugs used to treat high blood pressure can cause your blood pressure to drop even lower. It could even make you faint. If you take one of the drugs listed above, tell your doctor if you feel dizzy or lightheaded, or faint after taking Viagra. Poppers contain nitrate drugs such as amyl nitrate , alkyl nitrate, and butyl nitrate.
Taking Viagra with poppers can cause a dangerous drop in your blood pressure that can lead to heart attack or stroke. These drugs are called alpha-blockers. Taking Viagra with alpha-blockers can cause your blood pressure to drop even lower. This could make you feel dizzy or lightheaded, or even cause you to faint. And if you take one of the drugs listed above, tell your doctor if you feel very dizzy, lightheaded, or faint after taking Viagra. Adderall , which contains amphetamine salts, is approved to treat attention deficit hyperactivity disorder ADHD.
Adderall has stimulant effects in your body, and it could cause serious heart-related side effects. Viagra, on the other hand, may cause low blood pressure. Xanax , which is a benzodiazepine, contains the active drug alprazolam. Xanax can sometimes cause low blood pressure , dizziness, and fainting.
Viagra may also lower your blood pressure. This is particularly true for selective serotonin reuptake inhibitors SSRIs , such as sertraline Zoloft.
If you have questions about whether you can take Viagra with an antidepressant, talk with your doctor. Taking Viagra with certain antimicrobials drugs used to treat infection can slow the breakdown of Viagra in your body. This can cause Viagra to build up inside your body, which may increase your risk of side effects from the drug.
If you take one of the drugs listed above, your doctor will recommend you take a starting dose of 25 mg for Viagra. This is lower than the typical starting dose of Viagra.
However, you should still check with your doctor or pharmacist before using any of these products while taking Viagra. If you have any questions about eating certain foods with Viagra, talk with your doctor. Grapefruit juice can affect the levels of some medications in your body. One small study was done in This could possibly increase the risk of certain side effects such as headaches, flushing, or dizziness.
They can recommend whether this is safe for you to do. But Viagra can actually be taken anywhere from 30 minutes to 4 hours before sexual activity. You can take Viagra either with or without food. But if you take it with a meal, the drug may take about an hour longer than usual to start working. This is especially the case if you eat a high-fat meal, such as a cheeseburger with fries.
Just be aware that it might take a bit longer for the drug to work. And Viagra tablets are meant to be swallowed whole. If you have trouble swallowing Viagra tablets, you might find it easier to swallow the tablet with different drinks, such as water, juice, or milk.
Or talk with your doctor or pharmacist about how else you can take the drug. If you want to crush, split, or chew Viagra tablets, ask your doctor or pharmacist if this is safe to do. Viagra may also be used off-label for other conditions. ED can be caused by several different factors. These include psychological or emotional problems, such as:. Viagra increases blood flow to your penis, which helps you have and maintain an erection.
These success rates varied depending on the cause of their ED and the dosage of Viagra being used. Some studies looked at the effect of different doses of Viagra.
These studies, which involved 1, men, lasted up to 6 months. Improved erections were reported in:. For example, one study specifically looked at men with ED that was related to complications of diabetes. One study only involved men with ED that resulted from a spinal cord injury. In addition, men whose ED had psychological causes were specifically looked at as part of one study.
In addition to the use described above, Viagra may be used off-label. Below is an example of an off-label use for Viagra. These narrowed blood vessels restrict blood supply to your fingers or toes. This can cause your fingers and toes to look white and feel cold, painful, or numb.
Episodes of spasm can be triggered by cold temperatures or emotional stress. PDE5 inhibitors describes a certain class of drugs. Medications in the same class of drugs work in a similar way inside your body. And the drugs also decreased how long the episodes lasted.
Viagra is only approved for use in adult males with ED. But you may have questions about whether Viagra can be used in women. Below, we provide answers to these questions. One review of studies showed that current research has conflicting results on how Viagra affects women. For example, in women with female sexual arousal disorder , the review showed the following findings:.
In men, Viagra improves blood flow to their penis by blocking the action of a chemical called PDE5. This chemical is also found in the vagina and the clitoris of women. So in theory, if a woman takes Viagra, it could increase blood flow to her genitals. This could explain why Viagra has less of a physical effect in women than it does in men.
And keep in mind that sexual problems in women often have a lot to do with reduced sexual desire and arousal. Viagra is unlikely to address these issues. Below, we describe the condition Addyi is approved to treat and how the drug works. Addyi contains the active drug flibanserin. The condition can have various physical or psychological causes. Instead, Addyi affects the activity of certain neurotransmitters that are involved in sexual desire and arousal.
Neurotransmitters are chemicals found in your brain. The neurotransmitters affected by Addyi include dopamine , noradrenaline, and serotonin. For some women with HDSS, Addyi can improve sexual desire and increase the number of sexually satisfying events. For example, in clinical studies , treatment with Addyi was compared with that of a placebo no active drug.
When you get Viagra from the pharmacy, the pharmacist will add an expiration date to the label on the bottle. This date is typically 1 year from the date they dispensed the medication. The expiration date helps guarantee that the medication is effective during this time.
If you have unused medication that has gone past the expiration date, talk to your pharmacist about whether you might still be able to use it. How long a medication remains good also called shelf-life can depend on many factors. These factors include how and where you store the medication. It should be kept in a tightly sealed container away from light. Avoid storing this medication in areas where it could get damp or wet, such as in bathrooms. This helps prevent others, including children and pets, from taking the drug by accident.
It also helps keep the drug from harming the environment. This article provides several useful tips on medication disposal. You can also ask your pharmacist for information on how to dispose of your medication. Using more than the recommended dosage of Viagra can lead to serious side effects.
Do not use more Viagra than your doctor recommends. You can also call the American Association of Poison Control Centers at or use their online tool. But if your symptoms are severe, call or go to the nearest emergency room right away. Before taking Viagra, talk with your doctor about your health history.
Viagra may not be right for you if you have certain medical conditions or other factors affecting your health. These include:. Your insurance plan may require you to get prior authorization before approving coverage for Viagra. This means that your doctor and insurance company will need to communicate about your prescription before the insurance company will cover the drug.
The insurance company will review the request and let you and your doctor know if your plan will cover Viagra. If you need financial support to pay for Viagra, or if you need help understanding your insurance coverage, help is available. Pfizer, the manufacturer of Viagra, offers a program that can help lower the cost of Viagra. Viagra is available in generic form called sildenafil. And generics tend to cost less than brand-name drugs.
To find out how the cost of sildenafil compares to the cost of Viagra, visit GoodRx. Again, the cost you find on GoodRx. They may have a preference for one version or the other. If you have questions about the safety of using Viagra while breastfeeding, talk with your doctor.
Viagra is taken orally. It should be taken between 30 minutes and 4 hours before planned sexual activity. Viagra contains sildenafil citrate, an inhibitor of phosphodiesterase type 5 PDE5.
Viagra enhances the action of cyclic GMP, which is released in the penis in response to sexual stimulation. Cyclic GMP dilates smooth muscle in the penile tissue. It also increases blood to flow into the corpus cavernosum, causing an erection.
It is not known if the vision loss was caused by the medication. If you experience a sudden loss of vision while you are taking sildenafil, call your doctor immediately. Do not take any more doses of sildenafil or similar medications such as tadalafil Cialis or vardenafil Levitra until you talk to your doctor. There have been reports of heart attack, stroke, irregular heartbeat, bleeding in the brain or lungs, high blood pressure, and sudden death in men who took sildenafil for erectile dysfunction.
Most, but not all, of these people had heart problems before taking sildenafil. It is not known whether these events were caused by sildenafil, sexual activity, heart disease, or a combination of these and other causes. Talk to your doctor about the risks of taking sildenafil. Some patients experienced a sudden decrease or loss of hearing after they took sildenafil or other medications that are similar to sildenafil.
The hearing loss usually involved only one ear and did not always improve when the medication was stopped. It is not known if the hearing loss was caused by the medication. If you experience a sudden loss of hearing, sometimes with ringing in the ears or dizziness, while you are taking sildenafil, call your doctor immediately.
If you are taking sildenafil Viagra for erectile dysfunction, do not take any more doses of sildenafil Viagra or similar medications such as tadalafil Cialis or vardenafil Levitra until you talk to your doctor. If you are taking sildenafil Revatio for PAH, do not stop taking your medication until you talk to your doctor. Sildenafil may cause other side effects. Call your doctor if you have any unusual problems while you are taking this medication.
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store the tablets at room temperature and away from excess heat and moisture not in the bathroom.
Store the suspension at room temperature or in a refrigerator, but do not freeze it. Dispose of any unused suspension after 60 days. It is important to keep all medication out of sight and reach of children as many containers such as weekly pill minders and those for eye drops, creams, patches, and inhalers are not child-resistant and young children can open them easily.
To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location — one that is up and away and out of their sight and reach. Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them.
However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. In case of overdose, call the poison control helpline at If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at Do not let anyone else take your medication.
Ask your pharmacist any questions you have about refilling your prescription. It is important for you to keep a written list of all of the prescription and nonprescription over-the-counter medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements.
You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies. Sildenafil pronounced as sil den' a fil. Why is this medication prescribed? How should this medicine be used? You should not take Viagra with the following medications:.
There might also be food-drug interactions with Viagra. For example, grapefruit can elevate blood levels, making it a natural alternative for treating ED. However, mixing it with Viagra could lead to some side effects like headaches, flushing, or low blood pressure.
Caffeine could have a similar effect. One study concluded that an intake of two to three cups of coffee a day could reduce the odds of ED. Ask a doctor if there are any foods or beverages that you should avoid while taking Viagra.
The best way to avoid possible side effects from Viagra is to take it as instructed by your doctor. Store Viagra at room temperature and away from moisture, heat, and sunlight to maximize its shelf-life. Skip to main content Search for a topic or drug. First time taking ED pills?
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