Dosage Guidelines for Sildenafil Tablets

If you feel chest pain, dizziness, or nausea during sex, stop and contact your healthcare provider right away.

• Sildenafil is a popular choice for men seeking non-invasive ED therapy.
• It's important to have realistic expectations about sildenafil's effects.
• The medication does not increase libido but improves blood flow.
• Patients should limit alcohol consumption when using sildenafil.
• It is recommended to consult a doctor if ED persists despite medication.
• Sildenafil can be used as part of a comprehensive ED treatment plan.
• The medication should be taken approximately an hour before planned activity.
• Some patients experience no side effects at prescribed doses.
• Always confirm that sildenafil is stored properly to maintain efficacy.
• Report any unusual symptoms, such as chest pain or vision loss, immediately.

Sildenafil does not protect against sexually transmitted infections, including HIV.

Dosing & Uses

Using this medication does not protect you or your partner against HIV or other sexually transmitted infections (STIs). Side effects that you should report to your care team as soon as possible: Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat Heart attack—pain or tightness in the chest, shoulders, arms, or jaw, nausea, shortness of breath, cold or clammy skin, feeling faint or lightheaded Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing Low blood pressure—dizziness, feeling faint or lightheaded, blurry vision Stroke—sudden numbness or weakness of the face, arm, or leg, trouble speaking, confusion, trouble walking, loss of balance or coordination, dizziness, severe headache, change in vision Sudden vision loss in one or both eyes Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome): This list may not describe all possible side effects. Keep out of reach of children and pets. Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medication after the expiration date.

Antiretroviral Agents

It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider. Sign up for our Health Essentials emails for expert guidance on nutrition, fitness, sleep, skin care and more. Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals. Sildenafil is commonly used for the following conditions. 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.

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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 sildenafil 100 mg tab Interactions section for more details. Do not take sildenafil unless it has been prescribed to you by a healthcare provider.

Are you currently using Sildenafil (Viagra, Revatio)?

Do not share sildenafil with other people, even if they have the same condition as you. Keep sildenafil out of the reach of children. If you keep sildenafil oral liquid in a refrigerator, make sure to keep it away from children who also use the refrigerator. 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. 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.

• Do not take sildenafil if you have a history of heart attack or stroke.
• Women and children should not use sildenafil products.
• The medication can cause temporary vision disturbances, including blue-tinted vision.
• Always consult a healthcare provider before starting sildenafil therapy.
• Use caution when driving or operating machinery after taking sildenafil.
• Sildenafil is contraindicated in people with hypersensitivity to the drug.
• Some users report improved erectile function within 15 minutes.
• It is essential to stay hydrated, but avoid consuming large amounts of alcohol.
• Men with certain health conditions should undergo a medical exam before use.
• Overuse or misuse of sildenafil can lead to serious health complications.

Ask your pharmacist to recommend an appropriate measuring device. 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.

What should I do if I forget a dose?

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 sildenafil citrate tablets 50mg 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. Permanent damage to the penis may occur if priapism is not treated quickly.

About Sildenafil (Viagra®)

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. Sudden hearing loss has been reported after taking sildenafil. This will help them determine if sildenafil is right for you. In particular, make sure that you discuss any of the following. Tell your healthcare provider if you have any of the following.

Sildenafil vs Tadalafil for Erectile Dysfunction

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. These side effects may vary depending on the condition that is being treated.

What should I do if I miss a dose of sildenafil?

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. In Canada, you can report side effects to Health Canada at or by calling 866-234-2345. 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.

• Sildenafil is a medication used to treat erectile dysfunction in men.
• It works by increasing blood flow to the penis during arousal.
• Sildenafil is commonly sold under the brand name Viagra.
• The typical dose ranges from 25 mg to 100 mg, taken before sexual activity.
• It usually takes about 30 to 60 minutes to work after ingestion.
• Sildenafil's effects can last for up to 4-6 hours.
• It can cause side effects like headaches, flushing, and nasal congestion.
• Sildenafil should not be used with nitrate medications due to risk of dangerous drops in blood pressure.
• It is available by prescription from a healthcare provider.
• Do not take sildenafil more than once a day to avoid adverse effects.

Tell your healthcare provider if you are or plan to become pregnant. 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.

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.

• Sildenafil is available in different strengths to tailor treatment.
• It is often used in clinical settings for ED diagnosis and management.
• Men taking sildenafil should avoid heavy meals shortly before dosing.
• The drug's effectiveness can be influenced by age and overall health.
• Combining sildenafil with recreational drugs can be dangerous.
• Some users report that sildenafil enhances spontaneous sexual activity.
• It is important to only use sildenafil that has been prescribed by a healthcare provider.
• The medication’s cost varies based on brand, dosage, and pharmacy.
• Sildenafil may cause transient eye color changes due to blood vessel effects.
• Patients should keep track of dosage and side effects experienced.

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.

Adverse effects

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. For pulmonary arterial hypertension, sildenafil relaxes the blood vessels in the lungs.

The Bottom Line

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. 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). In particular, make sure that you discuss if you are using any of the following before taking sildenafil.

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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. If you feel faint or dizzy, lie down.

Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately:

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. People who are allergic to any of the following should not take 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.