Do not take sildenafil unless it has been prescribed to you by a healthcare provider.

4. Cardiovascular Health

These side effects may vary depending on the condition that is being treated. Tell your healthcare provider if you have any of these side effects that bother you. Pain in your muscles, back, arms, or legs There may be other side effects of sildenafil that are not listed here. Contact your healthcare provider if you think you are having a side effect of a medicine. In the U.S., you can report side effects to the FDA at or by calling 800-FDA-1088.

Are you currently using Sildenafil (Viagra, Revatio)?

In Canada, you can report side effects to Health Canada viagra packaging at or by calling 866-234-2345. While less common, the most serious side effects of sildenafil are described below, along with what to do if they happen. Sildenafil may cause allergic reactions, which can be serious. Stop taking sildenafil and get help right away if you have any of the following symptoms of a serious allergic reaction. Swelling of the face, lips, mouth, tongue, or throat Itching, skin rash, or pale red bumps on the skin called hives Sildenafil may cause an unwanted erection that is persistent, painful, and that may occur without sexual arousal. Do not share sildenafil with other people, even if they have the same condition as you. Keep sildenafil out of the reach of children.

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If you keep sildenafil oral liquid in a refrigerator, make sure to keep it away from children who also use the refrigerator.

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Sexual activity can put extra strain on your heart, which may be unsafe for people with certain health problems, such as a recent heart attack. Talk to your healthcare provider to see if your heart is strong enough for sex. If you feel chest pain, dizziness, or nausea during sex, stop and contact your healthcare provider right away. Sildenafil does not viagra sildenafil price protect against sexually transmitted infections, including HIV.

Issue Description Consequences Solutions
Increased health risks Poisoning, allergic reactions from fake drugs Hospitalizations Awareness campaigns, regulation enforcement
Behavioral risks Users rely on unverified sources leaving health unprotected Chronic health issues Education, access to legitimate medicine
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Sildenafil belongs to a group of medicines, known as phosphodiesterase-5 (PDE-5) inhibitors, which are used to treat erectile dysfunction or pulmonary arterial hypertension. You should not take more than one PDE-5 inhibitor medicine. Medicines in this group include avanafil (Stendra), sildenafil (Viagra, Revatio, and others), tadalafil (Cialis and others), and vardenafil (Levitra, Staxyn). Use an accurate measuring device to measure your dose of sildenafil oral liquid. A household spoon is not an accurate measuring device and may cause you to take the wrong dose. Ask your pharmacist to recommend an appropriate measuring device.

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Tell your healthcare provider about all of your health conditions and any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using.

Aspect Viagra Black Licensed Viagra
Active Ingredients Unknown or synthetic alternatives Sildenafil citrate
Legality Illegal Legal with prescription
Price Cheaper Higher
Safety Unverified, high risk Tested, proven safety

This will help them determine if sildenafil is right for you.

Detection in biological fluids

Permanent damage to the penis may occur if priapism is not treated quickly. Stop taking sildenafil and get emergency help if you have any of the following symptoms of priapism. Erection lasting for more than four hours Erection that is unrelated to sexual stimulation Sildenafil can cause mild, temporary vision changes such as seeing a blue tint, abnormal colors, blurry vision, or sensitivity to light. Though rare, some people have reported permanent vision loss. Stop taking sildenafil and get help right away if you have sudden vision loss in one or both eyes.

BJU Int

Sudden hearing loss has been reported after taking sildenafil. This may occur along with dizziness and ringing in the ears. Stop taking sildenafil and get help right away if you have sudden hearing loss or suddenly have trouble hearing as well as usual. Sildenafil may cause a mild and temporary drop in blood pressure. You may be at a higher risk if you have certain health conditions or take blood pressure medicines. In particular, make sure that you discuss any of the following.

About This Product

Inform your doctor about existing medical conditions before use. Not recommended during pregnancy or breastfeeding unless prescribed. Avoid alcohol or interacting medicines if advised by your doctor. We may ask for a confirmation screenshot of your payment for order verification purposes. Rest assured, we do not store your payment details — your financial information remains completely secure and private.

Viagra (sildenafil citrate) efficacy and tolerability in 25 double-blind, placebo-controlled, clinical trials in men with erectile dysfunction

Sildenafil is commonly used for the following conditions. Erectile dysfunction, a condition where you have trouble getting or keeping an erection Pulmonary arterial hypertension, a condition where you have high blood pressure in the blood vessels that carry blood from your heart to your lungs Sildenafil may also be used for other conditions as determined by your healthcare provider. Sildenafil works by blocking an enzyme in the body called PDE5, which helps relax certain blood vessels. For erectile dysfunction, it increases blood flow to the penis when aroused. This makes it easier to get and keep an erection. Tell your healthcare provider if you have any of the following. Heart problems, such as heart rhythm problems, chest pain, or heart failure Heart attack, stroke, or heart surgery within the past six months High blood pressure that is still too high despite taking medicines for it Peyronie's disease, or a penis with an abnormal curve or shape An erection lasting longer than four hours A blood disorder, such as sickle cell anemia An inherited eye disease called retinitis pigmentosa Vision loss, or a problem with the nerve between your eyes and brain (optic nerve) Health conditions or factors that raise the risk of optic nerve problems, such as diabetes, high cholesterol, smoking, being older than 50, or having a “crowded disc,” which is something an eye doctor may see in an eye exam Pulmonary veno-occlusive disease, a condition where blood vessels in the lungs are blocked It is not known if or how sildenafil could affect pregnancy or harm an unborn baby.

Adverse effects

How is my order packaged?All orders are shipped in discreet, tamper-proof packaging to ensure privacy and product integrity during transit. How can I track my order?Once your order is dispatched, you will receive a tracking number via email. Use it to monitor your shipment in real time. What payment methods do you accept?We accept major credit/debit cards and other secure payment methods available at checkout. Can I return or exchange a medication?Due to the nature of pharmaceutical products, returns and exchanges are subject to our return policy.

Q. Which sexual disorder does Black Viagra pill 200 mg treat?

Please contact our support team for assistance. How do I contact customer support?You can reach our support team via the Contact Us page. We aim to respond to all queries within 24–48 hours. Use only as directed by your healthcare provider. Store in a cool and dry place away from sunlight. Tell your healthcare provider if you are or plan to become pregnant.

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Tell your healthcare provider if you are breastfeeding or plan to breastfeed. Your healthcare provider will advise you if you should take sildenafil while breastfeeding.

4. Effects of Viagra on various organ systems in the Body

If you feel faint or dizzy, lie down. Tell your healthcare provider right away if you have any of the following symptoms of low blood pressure. You may be at higher risk for this if you take a blood thinner medicine. Tell your healthcare provider if you get nosebleeds often while taking sildenafil. If your nosebleed is severe or will not stop after applying pressure, get help right away. If you take sildenafil after you eat a high-fat meal, such as a burger and fries, it may take longer to start working. Your healthcare provider may recommend limiting or avoiding grapefruit while taking sildenafil. Grapefruit or grapefruit juice can raise sildenafil levels in your body, which can increase the risk of side effects. There are no known interactions between sildenafil and alcohol. Always tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using.

User feedback

For pulmonary arterial hypertension, sildenafil relaxes the blood vessels in the lungs. This lowers blood pressure and reduces strain on the heart. 10 mg/mL powder for oral suspension 20 mg, 25 mg, 50 mg, 100 mg oral tablets Sildenafil is also available in an injectable form that is usually given by a healthcare provider in a hospital or clinic. Sildenafil oral tablets should be stored at room temperature, between 68 F to 77 F (20 C to 25 C). It can be exposed to temperatures between 59 F to 86 F (15 C to 30 C) for shorter periods of time, such as when transporting it.

Oral phosphodiesterase-5 inhibitors and hormonal treatments for erectile dysfunction: A systematic review and meta-analysis

Sildenafil oral liquid should be stored at room temperature below 86 F (30 C) or in the refrigerator, between 36 F to 46 F (2 C to 8 C). Throw away any remaining liquid 60 days after it has been mixed for you by a pharmacist or healthcare professional. Sildenafil injection is usually given by a healthcare provider in a hospital or clinic. You will not store it at home. The most common side effects of sildenafil are listed below. In particular, make sure that you discuss if you are using any of the following before taking sildenafil. Tell your healthcare provider about all medicines that you take or have recently taken. This may not be a complete list of medicines that can interact with sildenafil. If you or someone else has used too much sildenafil, get medical help right away, call 911, or contact a Poison Control center at 800-222-1222.

Botanical Overview

People who are allergic to any of the following should not take sildenafil. Any of the ingredients in the specific product dispensed Your pharmacist can tell you all of the ingredients in the specific sildenafil products they stock. Sildenafil should not be taken while you are using certain other medicines. Before taking sildenafil, tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. See the Interactions section for more details. For this use, sildenafil is used only when needed. Take it as your healthcare provider recommends, which is usually between 30 minutes to four hours before planned sexual activity. Do not take double or extra doses.

Ingredient Purpose Presence in Product Known Side Effects
Tadalafil Enhances blood flow, similar to original Viagra Yes Headache, dizziness
Sildenafil Alternative PDE5 inhibitor Yes Flushing, nasal congestion
Unlisted synthetic compounds Unknown effects and safety concerns Possibly Unknown