Understanding Sildenafil Medication and Its Uses

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.

Detection in biological fluids

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others. Do not take double or extra doses. Do not take this medication with any of the following: Nitrates, such as amyl nitrite, isosorbide dinitrate, isosorbide mononitrate, nitroglycerin This medication may also interact with the following: Other medications may affect the way this medication works.

Missed Dose

Talk with your care team about all of the medications you take. They may suggest changes to your treatment plan to lower the risk of side effects and to make sure your medications work as intended. This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs.

What do I do if my child misses a dose?

Some items may interact with your medicine. Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse. Tell your care team right away if you have any change in your eyesight or hearing. This medication may affect your coordination, reaction time, or judgment. 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. 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. 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.

Parameter	Value	Details
Absorption	Rapid, within 30-60 minutes	Food can delay absorption
Peak Plasma Levels	1.5 hours after intake
Half-life	Approx. 4 hours	Eliminated via liver metabolism
Metabolization	Liver (Cytochrome P450 enzymes)	CYP3A4 major enzyme

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 may occur along with dizziness and ringing in the ears.

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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 sildenafil citrate 150 mg red pill 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. 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.

• Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor.
• The drug was first approved by the FDA in 1998.
• It can be purchased online but requires a prescription in most countries.
• Generic versions of sildenafil are typically cheaper than brand-name Viagra.
• Proper storage involves keeping it at room temperature away from moisture.
• Sildenafil does not protect against sexually transmitted diseases.
• Lifestyle changes like exercise and healthy eating can enhance results.
• Combining sildenafil with other ED treatments should be discussed with a doctor.
• It's important to inform your doctor about all medications you take.
• Sildenafil is not an aphrodisiac and requires sexual stimulation to work.

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. Do not take sildenafil unless it has been prescribed to you by a healthcare provider. Do not share sildenafil with other people, even if they have the same condition as you.

Brand Name	Manufacturer	Price Range (per pill)	Availability	Notes
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Sildenafil Citrate	Generic	$1 - $5	Online, pharmacies	Generic form available

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. 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.

What special dietary instructions should I follow?

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.

Antiretroviral Agents

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, sildenafil tablets 125 such as when transporting it. 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.

• Sildenafil helps improve erections by relaxing penile muscles.
• The drug's popularity increased rapidly after approval in the late 1990s.
• It is part of a class of medications called PDE5 inhibitors.
• Sildenafil's development marked a breakthrough for men's health.
• There are ongoing studies to expand sildenafil's therapeutic uses.
• Regular medical check-ups are advised for long-term sildenafil use.
• Generic sildenafil has made treatment more affordable worldwide.
• It’s crucial to adhere to prescribed doses to avoid adverse effects.
• The medication is often taken about 30 minutes before sexual activity.
• Using sildenafil responsibly can improve quality of life for many men.

A household spoon is not an accurate measuring device and may cause you to take the wrong dose.

Viagra Versus Other ED Medications

Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects. Contact your care team right away if you have an erection that lasts longer than 4 hours or if it becomes painful. This may be a sign of a serious problem and must be treated right away to prevent permanent damage.

Effective treatments, trusted by over 500,000 men

If you experience symptoms of nausea, dizziness, chest pain or arm pain upon initiation of sexual activity after taking this medication, you should refrain from further activity and call your care team as soon as possible. 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).

Antihypertensive and α-Adrenergic Blocking Agents

Throw away any unused medication after the expiration date. It may not cover sildenafil 100 mg cost 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. 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. 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. 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.

How it works

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.