14 CLINICAL STUDIES
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.
4.2 Hypersensitivity Reactions
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GENERIC NAME OF THE MEDICINAL PRODUCT:
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- Sildenafil citrate tablets 50mg are used to treat erectile dysfunction.
- These tablets work by increasing blood flow to the penis.
- Take sildenafil 50mg approximately 30 minutes before activity.
- Do not exceed one dose in a 24-hour period.
- Common side effects include headache and flushing.
- Sildenafil can interact with nitrates, causing dangerous drops in blood pressure.
- Store tablets in a cool, dry place away from direct sunlight.
- Consult a doctor before use, especially if you have heart conditions.
Before taking sildenafil, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.
| Parameter | Value | Description | References |
|---|---|---|---|
| Absorption Time | 30-60 minutes | Time to reach peak plasma concentration | Clinical studies (2022) |
| Tmax | 1 hour | Time to maximum concentration | Pharmacology data |
| Half-life | 4 hours | Duration of action | FDA guidelines |
| Bioavailability | 40% | Fraction of dose reaching blood | Research articles |
This product may contain inactive ingredients, which can cause allergic reactions or other problems.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Viagra Generic | 25mg | 30 + 4 Pills | 47.97€ 45.69€ | |
| Viagra Generic | 200mg | 30 + 2 Pills | 83.07€ 79.11€ | |
| Kamagra Polo | 100mg | 180 + 8 Pills | 446.52€ 425.26€ | |
| Kamagra Polo | 100mg | 32 Pills | 125.88€ 119.89€ | |
| Viagra Generic | 200mg | 120 + 8 Pills | 204.80€ 195.05€ | |
| Kamagra | 100mg | 84 + 6 Pills | 264.44€ 251.85€ | |
| Viagra Generic | 100mg | 90 + 6 Pills | 129.02€ 122.88€ | |
| Viagra Generic | 150mg | 270 + 10 Pills | 326.61€ 311.06€ | |
| Kamagra | 100mg | 12 Pills | 55.64€ 52.99€ | |
| Kamagra Oral Jelly | 100mg | 90 + 8 Sachets | 303.56€ 289.10€ | |
| Kamagra Oral Jelly | 100mg | 30 + 5 Sachets | 136.20€ 129.71€ |
Talk to your pharmacist for more details.
- Sildenafil 50mg is a phosphodiesterase inhibitor for ED treatment.
- The medication is not a cure but helps achieve an erection on demand.
- Avoid combining sildenafil with recreational drugs or alcohol.
- It is important to follow the timing recommended by your doctor.
- The medication may cause a temporary decrease in blood pressure.
- Use with caution in individuals with kidney or liver impairment.
- Always read the patient information leaflet that accompanies the medicine.
- Regular medical check-ups are advised when using sildenafil long-term.
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.
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Web sites like justanswer.com/legal ...leave nothing to chance. Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions. Sildenafil Citrate Tablets 50mg Bottle 1000/Bottle Each 1453829 Nivagen Pharmaceuticals Inc - 75834024000 Description:Sildenafil Citrate Tablets 50mg Bottle 1000/Bottle Each $(document).ready(function () { if ('True') { //Builds the UI buildUI('1453829', ''); //Selects the provided item code in the dropdowns selectProductDimension('1453829', '1453829'); } }); function ShowSaveButton() { var saveButtonDivElem = document.getElementById("saveButtonDiv"); saveButtonDivElem.style.display = "inline"; } 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). Alcohol or marijuana (cannabis) can make you more dizzy.
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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). 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.
Serious but Rare Side Effects:
Rarely, males may have a painful or prolonged erection lasting 4 or more hours. 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. 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).
| Condition | Reason | Precaution |
|---|---|---|
| Use with Nitrates | Risk of severe hypotension | Avoid combination entirely |
| Severe Cardiovascular Disease | Increased risk of adverse events | Use with caution; consult healthcare provider |
| Retinitis Pigmentosa | Possible worsening of symptoms | Evaluate risks before prescribing |
| Hypotension (<90/60 mmHg) | Blood pressure drops dangerously low | Monitor blood pressure closely |
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.
What to avoid
Using an effective barrier method (latex or polyurethane condom/dental dams) during sexual activity will help to decrease your risk of infection. 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.
Common Side Effects:
If you have any questions, ask your doctor or pharmacist. 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. 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.
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Is 20 mg of sildenafil effective for ED?
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| Condition | Recommended Value | Rationale | Notes |
|---|---|---|---|
| Temperature | 20-25°C (68-77°F) | Preserves stability | Keep away from heat and moisture |
| Humidity | <60% | Prevents tablet degradation | Use airtight container |
| Light Exposure | Keep in original container, away from light | Prevents chemical breakdown | Store in a cool, dark place |
| Shelf Life | 2-3 years | Ensures potency | Check expiry date |
Drug interactions may change how your medications work or increase your risk for serious side effects.
What happens if I overdose?
The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you sildenafil 100mg lowest price 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.
Drugs you should not use with sildenafil
If any of these effects last or get worse, tell your doctor or pharmacist promptly. 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 using this medication do not have serious side effects. Sexual activity may put extra strain on your heart, especially if you have heart problems. 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.
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Therapeutic Uses:
Sildenafil Citrate is commonly used to manage erectile dysfunction. Patients should monitor for any new side effects or changes in health while on treatment. Maintaining the prescribed dosage is important, and any concerns about effectiveness or adverse reactions should be discussed with a healthcare provider. Avoid self-adjusting doses without medical advice. Proper communication with your pharmacist or doctor ensures safe medication use and timely refills.