Chloramphenicol
The use of this drug is contraindicated because the use of chloramphenicol will increase the effect of Sildenafil by affecting the patient hepatic and intestinal enzyme metabolism.
Isosorbide dinitrate
The use of this drug is contraindicated because the combination of this drug either increases the effects of the other by vasodilation which leads to fatal hypotension.
Nitroprusside sodium
The use of this drug is contraindicated because the combination of this drug either increases the effects of the others by pharmacodynamic synergism.
Enzalutamide
Use alternative drugs because the use of enzalutamide will decrease the effect of Sildenafil by affecting patient hepatic and intestinal enzyme metabolism.
Acetazolamide
Therapy should be administered with caution because the use of Sildenafil increases the effect of acetazolamide by pharmacodynamic synergism and it also increases the risk of hypotension.
The use of this medicine can lower blood pressure and when combining it with alcohol further increases the effect. You may experience dizziness, lightheadedness, fainting, flushing, headache, and heart palpitation. Also, avoid consuming grapefruit juice because it may increase the effect of avanafil on blood levels.
Cardiovascular disease:
The use of phosphodiesterase-5 enzyme inhibitors is contraindicated in patients with cardiovascular disease. A doctor should consider the vasodilatory effects of this drug and whether they may affect patients with cardiovascular disease. The use of this drug may increase the risk of angina pectoris, AV block, myocardial infarction, ventricular arrhythmia, tachycardia, palpitation, hypotension, postural hypotension, syncope, cerebral thrombosis, cerebrovascular hemorrhage, transient ischemic attack, cardiac arrest, heart failure, and hypertension. These events can occur during or after sexual activity.
Renal dysfunction:
Therapy should be administered with caution in patients with severe renal disease or on renal dialysis. The plasma clearance of this drug is decreased in patients with a severe renal impairment which results in drug accumulation.
Liver diseases:
The use of this drug is not recommended for patients with severe hepatic impairment because the pharmacokinetic disposition of this drug has not been assessed in patients with severe hepatic impairment.
Addictive (IDs and their!!"Pregnancy category BThe use of this drug is not recommended for the use of women who are pregnant, are planning to become pregnant, or are with other pregnant women because the disposition of this drug has not been assessed in patients with severe renal impairment which resulted in drug accumulation.
Contraindications for use of pregnant womenDo not use this drug during pregnancy if you are pregnant or planning to become pregnant because the effect on your fetus is not acceptable under medical advice. Use other therapies like cecaplasias for the treatment of women with normal renal function or in the case of woman with severe renal impairment who are pregnant or planning to become pregnant, without consulting a doctor.
There are no controlled clinical studies for the treatment of HIV infection. This drug does notgomeryavemcntantacterials in the amnionine and iron salts because the antibioidase domain gene is not being studied in patients with HIV infection.
Uses of this drug:Liver injury:This drug reduces blood flow to the genital area by reducing the enzyme phosphodiesterase type 5 activity. There are no clinical data regarding the use of this medication with HIV infection.
The drug increases blood flow to the genital area and the drug reduces the levels of cyclic guanosine monophosphate (cGMP).
Sildenafil citrate, commonly known as Viagra, is a widely prescribed medication for treating erectile dysfunction. It belongs to a class of drugs called phosphodiesterase (PDE) inhibitors, which work by increasing blood flow to the penis during sexual stimulation. This increased blood flow helps men achieve and maintain an erection.
Erectile dysfunction is the inability to achieve or maintain an erection that is firm enough for sexual intercourse. It can be caused by various factors, including psychological factors, certain health conditions, and a lack of sexual confidence. However, Viagra is one of the most popular drugs for treating erectile dysfunction in men. It is a prescription medication and is available in both generic and brand-name versions. When considering whether Viagra is right for you, here are some things to consider.
Does Viagra cause erectile dysfunction?
When considering the use of Viagra for erectile dysfunction, many people have heard of its side effects, which include flushing, dizziness, nausea, and headaches. These side effects may be a sign of a more serious issue, such as heart problems, liver or kidney problems, or priapism (a prolonged and painful erection).
However, it's important to note that Viagra does not have an immediate effect on the penis. It can take up to 4 to 5 hours to become effective. If Viagra does not work, it may be a sign that something is not right. It's best to consult a healthcare provider before starting any medication, especially if you have pre-existing medical conditions or take certain medications.
Can Viagra be used to treat erectile dysfunction?
Viagra is approved by the Food and Drug Administration (FDA) for the treatment of erectile dysfunction (ED), a condition in which a man has difficulty achieving or maintaining an erection sufficient for sexual activity. While it can be effective for some men, Viagra is not suitable for all men. It should only be used under the supervision of a healthcare provider, especially if it has been prescribed for you by a doctor.
How can you treat Viagra for erectile dysfunction?
It's important to note that Viagra is not intended for use in women or children. It is not approved for use in children under the age of 18. It is also not intended for use in men who have diabetes or high blood pressure. However, it is sometimes prescribed as an alternative for those who do not respond well to oral medications.
What is the dosage of Viagra for erectile dysfunction?
The typical dosage of Viagra for treating erectile dysfunction ranges from 25 mg to 100 mg taken orally, approximately one hour before sexual activity. It is important to follow the instructions provided by a healthcare provider to achieve the best results. Viagra can be taken with or without food, but the dosage may vary depending on individual needs and response to the medication.
When should Viagra not be used?
Viagra is not intended for use by women or children. However, it is sometimes prescribed for men who have diabetes or high blood pressure.
How long should Viagra take effect?
It usually takes effect within 30 to 60 minutes of taking Viagra. However, it may take longer for the drug to be effective for you. Viagra typically starts working within 1 to 2 hours of taking it, depending on the individual's response to the medication. It is important to note that Viagra should not be taken more than once a day.
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Sildenafil is available in 25mg, 50mg, and 100mg strengths.
Sildenafil has been shown to be effective in up to 80% of men with ED, with effects typically noticeable within 30 to 60 minutes, and lasting for up to 4–5 hours.
Common side effects include:
Less common but serious effects include visual disturbances, hearing changes, or prolonged erections. Seek medical attention if severe or persistent side effects occur.
Sildenafil should not be used by those:
Inform your doctor of all medications and supplements before use. Interactions may occur with:
Avoid excessive alcohol while taking sildenafil, as it can lower blood pressure and increase side effect risk. Use with caution if you have any heart-related conditions.
Sildenafil is available by prescription only in the UK.
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Store Notice: Orders placed after 11:00 AM on Friday, 23 May 2025 will be processed on the next working day, Tuesday, 27 May 2025, due to the bank holiday weekend. Thank you for your understanding.
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Product DescriptionSildenafil is available in a wide range of strengths, including:
Sildenafil is available in a variety of strengths, including:
Sildenafil can be taken on an empty stomach or with a light meal.
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