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What is sildenafil citrate?

Sildenafil is a prescription drug that treats erectile dysfunction in men between the age group of 18-65 years. It is an active ingredient in a brand-name medicine called Viagra. The generic version of Viagra also makes use of the name sildenafil.  

In combination with sexual arousal, sildenafil helps in increasing the blood flow to the male reproductive organ to help a man get and maintain an erection. Another brand of sildenafil is Revatio which helps treat pulmonary arterial hypertension and enhance exercise capacity in men and women. 

Sildenafil belongs to a class of drugs known as PDE5 inhibitors. This oral tablet comes in different strengths and forms. Sildenafil citrate is a popular medication among men as it effectively treats erectile dysfunction in men. 

Sildenafil is a prescription drug and is easily available at a licensed online pharmacy. This medicine is not going to protect you against sexually transmitted diseases like gonorrhea, HIV, syphilis, gonorrhea and hepatitis B. make sure you practice safe sex after consulting the doctor. 

How does sildenafil citrate work?

Sildenafil belongs to a class of medicines known as phosphodiesterase type 5 (PDE5) inhibitors. You need to know that a class of medicines is a group of drugs that work in the same way. 

It is necessary to know that sildenafil works in a different way depending upon the condition it is being used to treat. 

For erectile dysfunction

Sildenafil treats erectile dysfunction by increasing blood flow to the male sexual organ. It relaxes the muscles present in the penile region. As a result, you can get and maintain an erection. 

Remember this medicine will offer you firm erections only when you are sexually aroused. 

For pulmonary arterial hypertension,

sildenafil works by relaxing the muscles and opening up the blood vessels present in your lungs. This further plays a vital role in decreasing the blood pressure in your lungs. 

Sildenafil slows down the development of your illness, helping you to exercise in a much better way.

How sildenafil citrate is taken?

  • Before starting your treatment, you must read the patient information leaflet carefully. You need to take one sildenafil tablet almost 30 minutes to 01 hour before the planned sexual activity. 
  • The best time to take this drug is about 1 hour before the lovemaking session but you can also take sildenafil any time from 4 hours to 30 minutes before the sexual activity. This ED drug must not be taken more than once in 24 hours. 
  • Taking this pill after consuming a high-fat meal, will make sildenafil take a long time to show its results. You can take this medication with or without the food as prescribed by the doctor. 
  • Swallow the tablet as a whole with a glass of plain water. Avoid taking any other fluids with this medicine unless your doctor recommends it.
  • If taking sildenafil to treat PAH, pay attention to the direction of your doctor. The doctor might recommend you to take sildenafil three times a day with or without the food. 
  • Take the medication at the same time every day and make sure you space your doses almost 4 to 6 hours apart. You must take this medicine exactly as recommended by the doctor. 
  • Do not take more or less of the sildenafil tablet or take it more than directed as it will not treat your condition but cause severe side effects. 
  • When taking this medicine for erectile dysfunction or impotence, the doctor can start treatment with an average dose and increase or decrease your dose depending upon the response of your body to sildenafil.
  • If you find sildenafil citrate does not work well or you experience any side effects then tell the doctor. Without the recommendation of the doctor, do not stop taking this pill.
  • When taking this drug for treating PAH, you must know that sildenafil only controls pulmonary arterial hypertension but does not cure it. Even if you start feeling well after a few days, continue taking sildenafil for the full prescribed time. 

What if I miss a dose of sildenafil citrate?

As sildenafil is taken when required, the chance of missing a dose is very less. 

However, if you miss a dosage of this medication, consult the doctor and continue the dose accordingly. 

What happens if you overdose?

In case of overdose, stop taking this medication and get emergency medical help. 

What special precautions need to be taken before using sildenafil citrate?

Before starting the treatment with this medicine, you must consider a few precautions:

Do not take sildenafil citrate, if you are allergic to it or other ingredients present in the medication. 

This medicine is not recommended for patients who take medicines containing nitrates. Nitrates are generally used for treating medical conditions like chest pain. 

Inform the doctor about your medical history well in advance, especially about heart disease, high blood pressure, kidney disorder, liver problem, and blood disorders. 

Tell your doctor well in advance about all other products you use including herbal supplements, prescription, and non-prescription pills. This will help the doctor to prescribe sildenafil tablets accordingly and adjust the dosage of other medications. 

Strictly avoid the consumption of alcohol and grapefruit juice when on ED treatment with sildenafil citrate. 

What are the side effects of sildenafil citrate?

Just like other ED medicines, sildenafil citrate also causes some side effects like:





Muscle pain 


Call the doctor promptly, if any of these side effects persist or worsen. 

Frequently asked questions (FAQs)

What is the best medication to overcome ED?

When it comes to the best and safe medicine to overcome ED, sildenafil citrate is a one-stop solution. 

What are the disadvantages of sildenafil citrate?

Though there are no such disadvantages of sildenafil citrate if you fail to follow the direction of the doctor, you will suffer from side effects like dizziness, headache, nausea, and so on. 

How long does the sildenafil citrate pill take to work?

The amount of time taken by this medicine to work often differs from person to person. But normally it takes 30 minutes to 01 hours to start its work in your body. 

Can I consume sildenafil citrate as often as I want?

No, do not take the sildenafil tablet more than once in 24 hours. If you take this medicine more than the directed dose then you might experience an increase in side effects and their seriousness. 

How do dapoxetine and sildenafil tablets differ?

Dapoxetine is a short-acting selective serotonin reuptake inhibitor (SSRI) that increases the serotonin levels in your brain. This further increase the time to ejaculate and enhance the control over ejaculation. 

On the other hand, sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor that works by relaxing your blood vessels and providing relief from erectile dysfunction. 

Where can I buy Sildenafil tablets online safely in the US?

After the prescription of your doctor, you can easily buy sildenafil tablets online from a licensed online pharmacy. 

What are the advantages of sildenafil citrate?

Sildenafil citrate offers many benefits like it treats your ED condition and helps you enjoy normal and happy sexual life. 

Can I get sildenafil citrate medicine without a doctor’s prescription?

No, the prescription of the doctor is important because sildenafil citrate is a prescription drug.