Potential Side Effects of Sildenafil Citrate

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Viagra side effects

You shouldn't use Viagra if you take any of these forms of nitroglycerin or any other nitrates: Isosorbide mononitrate (brand names: Ismo, Monoket, Imdur) Sublingual nitroglycerin tablets or spray (brand names: Nitrostat, Nitrolingual Spray) Transdermal nitroglycerin patches or paste (brand names: Minitran, Nitro-Dur, Transderm-Nitro TTS) If you use Viagra and get chest pains, be sure to tell the paramedics, nurses or doctors at the hospital how long ago it was that you last took Viagra. Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, sildenafil works by increasing blood flow to the penis to help a person get and keep an erection. This drug does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, syphilis). Using an effective barrier method (latex or polyurethane condom/dental dams) during sexual activity will help to decrease your risk of infection.

Prevention & Wellness

This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional. Sildenafil is also available in other brands and strengths for high blood pressure in the lungs (pulmonary hypertension). Read the Patient Information Leaflet if available from your pharmacist before you start taking sildenafil and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Dosage Forms & Strengths

To treat erectile dysfunction-ED, take this drug by mouth as directed by your doctor, usually as needed. Take sildenafil at least 30 minutes, but no more than 4 hours, before sexual activity (1 hour before works best). This medication may take longer to start working if you take it with a high-fat meal. Do not take more than once daily as needed. The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Canada residents can call 1-844-764-7669.

Product	Dosage	Quantity + Bonus	Price
Viagra Generic	50mg	270 + 8 Pills	198.48€ 189.03€	Buy
Viagra Generic	25mg	120 + 6 Pills	125.56€ 119.58€	Buy
Viagra Generic	100mg	10 Pills	28.91€ 27.53€	Buy
Viagra Generic	150mg	10 Pills	36.73€ 34.98€	Buy
Viagra Generic	25mg	270 + 8 Pills	184.26€ 175.49€	Buy
Viagra Oral Jelly	100mg	220 + 18 Sachets	562.28€ 535.50€	Buy
Viagra Super Active	100mg	180 + 20 Pills	280.97€ 267.59€	Buy
Viagra Oral Jelly	100mg	10 Sachets	46.36€ 44.15€	Buy
Viagra Original	100mg	22 + 2 Pills	120.71€ 114.96€	Buy
Viagra Super Active	100mg	20 + 4 Pills	48.05€ 45.76€	Buy
Viagra Original	100mg	92 + 4 Pills	362.88€ 345.60€	Buy
Viagra Soft Tabs	100mg	10 Pills	36.93€ 35.17€	Buy
Viagra Professional	100mg	120 + 4 Pills	262.83€ 250.31€	Buy

Symptoms of overdose may include: severe dizziness, fainting, painful/prolonged erection. Do not share this medication with others.

Parameter	Value	Notes
Absorption Time	30-60 minutes	Peak plasma concentrations
Bioavailability	~40%	Due to first-pass metabolism
Half-life	4-5 hours	Time for plasma concentration to reduce by half
Metabolism	Liver (CYP3A4 enzyme)	Mainly processed in the liver
Excretion	Feces and urine	About 80% in feces, 13% in urine

Store at room temperature away from light and moisture.

Why is this medication prescribed?

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Drug form and strengths

It's a medicine that helps men with erectile dysfunction have sex again. Erectile dysfunction is the inability of the penis to become rigid, or to stay rigid long enough to complete the sex act. Take one tablet one hour before you plan to have sex. Don't take more than one tablet in 24 hours. The medicine comes in tablets of 25 mg, 50 mg and 100 mg.

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Even if you take Viagra, you still need physical and mental stimulation and desire to have an erection. If your first dose of Viagra doesn't help, call your doctor. Your doctor may want to change your tablet size. Flushing (face and upper body turning red and warm) Headache is the most common side effect. Talk to your doctor if you have any side effect that bothers you. Keep all medications away from children and pets.

• Research continues into new formulations of ED medications inspired by Viagra.
• Viagra's effects can differ based on individual blood chemistry.
• Combining Viagra with recreational drugs is highly dangerous.
• Men with neural or psychological ED might benefit from therapy alongside medication.
• The drug was a result of research into vascular health and nitric oxide.
• Viagra can be used as a diagnostic tool in certain medical tests.
• It is crucial to follow prescribed doses to avoid adverse reactions.
• Lifestyle changes, like exercise and diet, can improve ED alongside medication.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so.

• Viagra can improve quality of life for men with ED.
• It has a rapid metabolism, often cleared within 4 hours.
• Erectile dysfunction may indicate underlying health problems needing attention.
• Some people experience back pain or muscle aches as side effects.
• It is recommended to avoid fatty foods close to the time of taking Viagra.
• Using Viagra without medical supervision is unsafe.
• Erectile response to Viagra depends on psychological and physical factors.
• The medication is available at pharmacies with a valid prescription.

Properly discard this product when it is expired or no longer needed.

• Viagra’s impact has driven social and medical discussions about ED.
• It is advisable to disclose all medications to your healthcare provider.
• Some individuals may require alternative treatments if Viagra is ineffective.
• The drug’s popularity has led to numerous online counterfeit products.
• Using genuine Viagra from licensed pharmacies ensures safety.
• Pregnant women and men with certain health issues should avoid Viagra.
• Common side effects tend to diminish as the body adjusts.
• Regular check-ups are recommended for men on long-term ED medication use.

Consult your pharmacist or local waste disposal company.

What happens if I miss a dose?

Since high blood pressure in the lungs is a serious condition that can harm both a pregnant woman and her unborn baby, do not stop taking this medication unless directed by your doctor. If you are planning pregnancy, become pregnant, or think you may be pregnant, discuss with your doctor right away the benefits and risks of using this medication during pregnancy. Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product.

What to avoid

Other medications can affect the removal of sildenafil from your body, which may affect how sildenafil works. Examples include azole antifungals (such as itraconazole, ketoconazole), macrolide antibiotics (such as clarithromycin, erythromycin), mifepristone, rifampin, ritonavir, among others. Do not take this medication with any other product that contains sildenafil or other similar medications for erectile dysfunction-ED or pulmonary hypertension (such as tadalafil, vardenafil). If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. This information does not assure that this product is safe, effective, or appropriate for you.

What Causes Erectile Dysfunction?

If this occurs, stop using this drug and get medical help right away, or permanent problems could occur. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: itching/swelling (especially of the face/tongue/throat) This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. You may report side effects to FDA at 1-800-FDA-1088 or at In Canada - Call your doctor for medical advice about side effects.

How much Viagra should I take the first time?

You may report side effects to Health Canada at 1-866-234-2345. Before taking sildenafil, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (such as heart attack or life-threatening irregular heartbeat in the past 6 months, chest pain/angina, heart failure) penis conditions (such as angulation, fibrosis/scarring, Peyronie's disease) conditions that may increase the risk of priapism (such as sickle cell anemia, leukemia, multiple myeloma) eye problems (such as retinitis pigmentosa, sudden decreased vision, NAION) This drug may make you dizzy or cause vision problems.

Can women take Viagra?

Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness or clear vision until you can do it safely. Talk to your doctor if you are using marijuana (cannabis). Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). During pregnancy, sildenafil should be used only when clearly needed. This information is not individual medical advice and does not substitute for the advice of your health care professional.

• Viagra is a prescription medication used to treat erectile dysfunction in men.
• Its active ingredient is sildenafil citrate, which relaxes blood vessels.
• Viagra was approved by the FDA in 1998 as the first oral treatment for ED.
• It typically takes 30 to 60 minutes to start working after ingestion.
• The effects of Viagra can last up to 4-6 hours, depending on the individual.
• Common side effects include headaches, flushing, and nasal congestion.
• Viagra should not be taken with nitrates or certain heart medications.
• Overuse or misuse can lead to serious health complications.

Always ask your health care professional for complete information about this product and your specific health needs.

How oral medicines differ

Do not start, stop, or change the dosage of any medicines without your doctor's approval. Some products that may interact with this drug are: Sildenafil can cause a serious drop in your blood pressure when used with nitrates. A serious drop in blood pressure can lead to dizziness, fainting, and rarely heart attack or stroke. Do not use sildenafil with any of the following: certain drugs used to treat chest pain/angina (nitrates such as nitroglycerin, isosorbide) recreational drugs called "poppers" containing amyl or butyl nitrite If you are also taking an alpha blocker medication (such as doxazosin, tamsulosin) to treat an enlarged prostate/BPH or high blood pressure, your blood pressure may get too low which can lead to dizziness or fainting. Your doctor may start treatment with a lower dose of sildenafil to minimize your risk of low blood pressure. Selected from NATIONAL DRUG DATA FILE (NDDF) data included with permission and copyrighted by First Databank, Inc., 2019.

Viagra Adverse Reactions

Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Tell your doctor if your condition does not get better. Dizziness, headache, flushing, or stomach upset may occur. Vision changes such as increased sensitivity to light, blurred vision, or trouble telling blue and green colors apart may also occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Viagra and other medications

To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people liquid viagra using this medication do not have serious side effects. Sexual activity may put extra strain on your heart, especially if you have heart problems. If you have heart problems and experience any of these serious side effects while having sex, stop and get medical help right away: Rarely, sudden decreased vision, or even permanent blindness, may occur in one or both eyes (NAION).

Mild side effects

If this serious problem occurs, stop taking sildenafil and get medical help right away. You have a slightly greater chance of developing NAION if you have heart disease, diabetes, high cholesterol, certain other eye problems ("crowded disk"), high blood pressure, if you are over 50, or if you smoke. Rarely, a sudden decrease or loss of hearing, sometimes with ringing in the ears and dizziness, may occur. Stop taking sildenafil and get medical help right away if these effects occur. Rarely, males may have a painful or prolonged erection lasting 4 or more hours.