But call 911 if your symptoms feel life threatening or if you think you’re having a medical emergency. Viagra can temporarily lower your blood pressure after you take the drug. This occurred in clinical trials but was not significant enough to cause problems for most people. But keep in mind that a sudden drop in your blood pressure could be dangerous if you have certain heart conditions. Sudden low blood pressure may also be dangerous if you’re taking certain other medications. For example, you should not take Viagra if you take nitrate medications to sildenafil 45 mg chewable tablets treat chest pain. You should also avoid taking Viagra if you take a drug called riociguat (Adempas).

• Sildenafil is sometimes used off-label for altitude sickness or heart-related issues.
• It is important to follow the prescribed dosage to avoid drug interactions or adverse effects.
• Patients should report any persistent side effects to their doctor immediately.
• The medication does not cause an erection without sexual stimulation.
• Sildenafil is generally well-tolerated when used as directed under medical supervision.

Taking Viagra with these medications can cause a dangerous drop in your blood pressure that leads to heart attack or stroke. If you have low blood pressure, taking Viagra could make you feel dizzy or lightheaded, or cause you to faint. You’re also more likely to have these problems if you take Viagra with certain drugs used to treat high blood pressure or enlarged prostate. If you feel dizzy or faint after taking Viagra, lie down until this feeling passes.

Is generic medication less effective than brand-name medication?

Here’s some detail on several of the side effects this drug may cause. Note: You can also refer to this in-depth article for details about Viagra’s side effects. As with most drugs, some people can have an allergic reaction after taking Viagra. Symptoms of a mild allergic reaction can include: A more severe allergic reaction is rare but possible. Symptoms of a severe allergic reaction can include: swelling under your skin, typically in your eyelids, lips, hands, or feet swelling of your tongue, mouth, or throat Call your doctor right away if you have a severe allergic reaction to Viagra. If you have a heart problem or low blood pressure, talk with your doctor about whether Viagra is safe for you.

• Sildenafil works by inhibiting PDE5 enzyme, increasing blood flow to the penis.
• Common sildenafil dosages are 25mg, 50mg, and 100mg tablets, not measured in grams.
• The medication may cause side effects like headaches, flushing, or dizziness.
• Always consult a healthcare provider before using sildenafil to determine proper dosage.
• Using large quantities like 100g without medical supervision is dangerous and not recommended.

For more information about taking Viagra with other medications, see the “Viagra interactions” section. And for more information about taking Viagra if you have heart or blood pressure problems, see the “Viagra precautions” section. On rare occasions, some people taking Viagra have had a heart attack, stroke, or an irregular heartbeat.

• Sildenafil can sometimes cause nasal congestion or stomach upset as side effects.
• The medication's safety profile has been extensively studied in clinical trials.
• Combining sildenafil with other medications can increase the risk of adverse effects.
• Pfizer continues to research new applications and formulations for sildenafil.
• Education about proper use of sildenafil ensures safer treatment for erectile dysfunction.

These conditions mainly occurred in people who already had a heart problem. But sometimes these conditions occurred in people who didn’t have a heart problem.

It’s not known for sure if Viagra caused the side effects. If you have chest pain after taking Viagra, you should stop sexual activity right away. And if you have a heart problem, talk with your doctor before starting Viagra. They can discuss with you whether it’s safe for you to use this drug. For more information about taking Viagra if you have heart problems, see the “Viagra precautions” section. Headaches are a common side effect of Viagra. Headaches, as well as flushing and dizziness, occur because Viagra widens certain blood vessels in your body. (The drug doesn’t just affect the blood vessels in your penis.) If you have a headache after taking Viagra, it should go away fairly quickly.

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If you’re sexually aroused, Viagra should work to help you get or keep an erection within 30 minutes to 2 hours. But if you don’t get an erection within 4 hours after taking a dose, Viagra didn’t work for you this time. If the drug doesn’t work for you, you shouldn’t take another dose until at least 24 hours later. And talk with your doctor if you feel Viagra isn’t helping to treat your ED. They may recommend that you try a different medication for your ED.

Be aware of drug interactions.

It’s important to remember that Viagra only works if you’re already sexually aroused. Arousal may involve having sexual thoughts, looking at sexual images, masturbating, or engaging in foreplay. But if you feel anxious, nervous, depressed, or stressed, your body may not respond well to sexual stimulation. If this is the case, try to relax, make yourself comfortable, and take your time. In addition, if you drink alcohol, it’s best to avoid drinking a lot of it. But if it’s bothersome, you can take a pain reliever containing acetaminophen or ibuprofen. Ask your doctor or pharmacist to recommend a medication that’s safe for you to use.

Why you should talk to your healthcare provider about ED drugs If you have erectile dysfunction, seek medical advice from a healthcare provider about your condition before taking Viagra. The condition could be a symptom of an underlying health condition such as heart disease or kidney disease.

But if they become more severe or don’t sildenafil 60mg go away, talk with your doctor or pharmacist. * This is a partial list of mild side effects from Viagra. To learn about other mild side effects, talk with your doctor or pharmacist, or view the drug’s prescribing information. Serious side effects from Viagra aren’t common, but they can occur. Call your doctor right away if you have serious side effects.

Key takeaways

Call 911 if your symptoms feel life threatening or if you think you’re having a medical emergency. Serious side effects and their symptoms can include: Non-arteritic anterior ischemic optic neuropathy (NAION), which is an eye condition that causes damage to your optic nerve. This is a medical emergency that should be treated right away. Symptoms can include: sudden decrease in vision in one or both of your eyessudden loss of vision in one or both of your eyes sudden decrease in vision in one or both of your eyes sudden loss of vision in one or both of your eyes This condition may also involve other symptoms, such as: tinnitus (ringing or buzzing in your ears)dizziness tinnitus (ringing or buzzing in your ears) Priapism, which is a long-lasting and sometimes painful erection. Symptoms can include: an erection that won’t go away, and may not be fully firmpain in the penis an erection that won’t go away, and may not be fully firm Other serious side effects, which are explained in more detail below in “Side effect details,” include: low blood pressure, if Viagra is taken with certain other medications cardiovascular problems, such as heart attack, irregular heartbeat, or stroke, all of which occur mainly in people with heart disease You may wonder how often certain side effects occur with this drug. If you have a severe headache or a headache that won’t go away, call your doctor. They’ll help determine the best treatment for your headache.

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(And at this point, the drug won’t be working any longer.) But it can actually take about 24 hours for Viagra to be completely removed from your body. If you have other questions about how long Viagra works, talk with your doctor. Viagra can cause mild or serious side effects. The following lists contain some of the key side effects that may occur while taking Viagra. These lists don’t include all possible side effects.

3. Avoid grapefruit.

For more information on the possible side effects of Viagra, talk with your doctor or pharmacist. They can give you tips on how to deal with any side effects that may be concerning or bothersome. Note: The Food and Drug Administration (FDA) tracks side effects of drugs it has approved. If you would like to report to the FDA a side effect you’ve had with Viagra, you can do so through MedWatch. Mild side effects of Viagra can include:* mild and temporary vision changes, such as a blue tinge in your vision, blurred vision, and sensitivity to light Most of these side effects may go away within a few days or a couple of weeks. Most of the mild side effects of Viagra either tend to go away within a few hours of taking your dose or can be easily relieved.

• The patent for Viagra held by Pfizer expired, increasing generic options on the market.
• Using sildenafil pills in incorrect doses can lead to health complications.
• Sildenafil may cause visual disturbances as a side effect in some users.
• Your doctor may recommend blood tests before starting sildenafil therapy.
• Lifestyle changes such as exercise and quitting smoking can improve erectile health.

For example, headaches, flushing, and dizziness can often be eased by lying down and resting. Avoiding alcohol will also help reduce these side effects. Headaches and sensitivity to light can also be improved by turning off any bright lights sildenafil 10mg around you. If you have bothersome headaches with Viagra, ask your doctor or pharmacist to recommend a pain reliever that’s safe for you to use. If you get indigestion after taking Viagra, try taking your dose of Viagra with a snack or light meal. Just be aware that if you do this, Viagra may take slightly longer to start working for you. (This is especially true if you eat a high fat meal with your dose.) If your indigestion is bothersome, ask your doctor or pharmacist to recommend medication to help reduce your discomfort. Also keep in mind that certain side effects occur more often with higher doses of Viagra. These side effects include headaches, flushing, indigestion, nasal congestion, and changes in your vision. So if these side effects are a problem for you, talk with your doctor about taking a lower dosage of Viagra. Some of Viagra’s rare side effects need immediate medical attention. For example, you should call your doctor or go to the nearest emergency room right away if you have: an erection that doesn’t go away and lasts for more than 4 hours chest pain, dizziness, or nausea while you’re having sex, and these symptoms don’t go away when you stop having sex and begin to rest sudden loss of vision in one or both of your eyes Viagra is a brand-name drug that contains the active ingredient sildenafil. This active ingredient is also available in generic forms. A generic drug is an exact copy of the active ingredient in a brand-name medication. Generics are considered to be as safe and effective as the original drug. They tend to cost less than brand-name drugs. If you’re interested in taking a generic form of Viagra, talk with your doctor.

What happens if I overdose?

This is because consuming large amounts of alcohol can make it more difficult to get an erection. If you’re having trouble getting an erection, even while using Viagra, talk with your doctor. Instead, it belongs to a group of drugs called phosphodiesterase type 5 (PDE5) inhibitors. Viagra works by blocking the action of a certain enzyme in your body. Since Viagra has been released onto the market, there have been a few reports of bleeding in people who have taken the drug.

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However, there’s no evidence that Viagra caused these bleeding problems. It’s not known if Viagra is safe for use in people with a bleeding problem. If you have any bleeding problems, talk with your doctor about whether Viagra is safe for you. After taking a dose of Viagra, the drug’s level in your body will gradually decrease over a period of a few hours. You’ll have low levels of the drug in your body after about 4 hours. They can tell you if it comes in forms and strengths that can be used for your condition.