How to get Viagra on NHS

How to get Viagra on NHS

Viagra is a drug generically known as Sildenafil, belonging to a family called phosphodiesterase type 5 inhibitors (PDE5).

It is used in the management of erectile dysfunction in men.

A man is thought to have erectile dysfunction if he finds difficulty in getting or keeping a firm erection to make sexual activity.

Viagra works by increasing the flow of blood to the penis, helping to get and keep an erection, but it works only when you are sexually aroused.

How to get Viagra on NHS?

Let’s understand first about Viagra.

From the results of clinical studies, Viagra improved erections in men with a percentage between 43% and 83%, percentages vary due to differences in the causes of erectile dysfunction and the doses used.

So, what are the regular doses of Viagra?

Viagra is available as tablets with different concentrations.

Adults take Viagra usually as 50 mg tablet before sexual intercourse from 30 minutes to 4 hours.

The dose is taken only one time a day.

The dose may be either 25 mg or 100 mg based on effectiveness and tolerance.

Dosage modifications:

• Severe hepatic impairment like cirrhosis: start the dose with a tablet of 25 mg.
• Severe renal impairment: start the dose with a tablet of 25 mg.

Viagra should not be prescribed to children aged from 1 to 17 years old for pulmonary arterial hypertension (PAH).

Pulmonary hypertension is a type of increased blood pressure affecting the arteries in the lungs and affecting the right side of the heart.

One type of pulmonary hypertension is pulmonary arterial hypertension (PAH) which involves narrowing or blocking or destroying the blood vessels in the lungs.

This damage slows the blood flow in the lungs, which increases the blood pressure in the arteries of the lungs.

This narrowing or blockage puts an extra effort on the heart muscles making them weak and may cause the failure of the heart muscles.

A long-term clinical pediatric trial showed that high doses of Viagra increased the risk of deaths, and low doses didn’t show effectiveness in improving exercise ability.

That’s why Viagra is no longer recommended for pulmonary arterial hypertension.

In geriatrics, which are older than 65 years old, they take 25 mg about 1 hour before sexual activity.

It is taken only once a day.

The dose may be increased from 50 to 100 mg based on effectiveness and tolerance.

How to get Viagra on NHS?

Before getting Viagra, the following lists are drugs interacting with Viagra, some are contraindicated drugs, some may cause serious interactions, and some should be monitored closely when concomitantly used with Viagra.

Contraindicated drugs:

• atazanavir
• cobicistat
• elvitegravir/cobicistat/emtricitabine/tenofovir DF
• isosorbide dinitrate
• isosorbide mononitrate
• nelfinavir
• nitroglycerin IV
• nitroglycerin PO
• nitroglycerin rectal
• nitroglycerin sublingual
• nitroglycerin topical
• nitroglycerin transdermal
• nitroglycerin translingual
• riociguat
• vericiguat

Drugs causing serious interactions to use an alternative drug:

• abametapir
• alfuzosin
• amyl nitrite
• apalutamide
• asenapine
• chloramphenicol
• clarithromycin
• conivaptan
• crizotinib
• dabrafenib
• doxazosin
• eslicarbazepine acetate
• glyceryl trinitrate pr
• ivosidenib
• ketoconazole
• lonafarnib
• lopinavir
• mifepristone
• mitotane
• nafcillin

• ombitasvir/paritaprevir/ritonavir & dasabuvir

• oxcarbazepine
• pentobarbital
• phenobarbital
• phenoxybenzamine
• phentolamine
• phenytoin
• prazosin
• primidone
• ritonavir
• silodosin
• St John’s Wort
• terazosin
• tucatinib
• voxelotor

Drugs that need close monitoring when used with Viagra:

• armodafinil
• artemether/lumefantrine
• atenolol
• benazepril
• betaxolol
• bisoprolol
• bosentan
• butabarbital
• butalbital
• captopril
• carbamazepine
• carvedilol
• cenobamate
• cimetidine
• cyclosporine
• darunavir
• deferasirox
• dexamethasone
• diltiazem
• dronedarone
• duvelisib
• efavirenz
• elagolix
• encorafenib

These are not full lists of drugs interacting with Viagra, always ask your doctor about the interactions of the drugs you are taking together.

Is Viagra only interacting with other drugs?

Viagra and alcohol don’t seem to interact together, but though chronic alcohol consumption causes erectile dysfunction.

How to get Viagra on NHS?

Before getting Viagra from NHS, you have to get to know the side effects caused by it.

Common side effects:

• Headache

Less common side effects:

• Flushing
• Epistaxis (minor nose bleeding)
• Dyspepsia (discomfort or pain in the abdomen)
• Insomnia (a sleeping problem)
• Erythema (a type of skin rash)
• Diarrhea
• Dizziness
• Skin rash

Warnings:

Before taking Viagra, tell your doctor if:

• you have ever had a history of allergies to Viagra or sildenafil
• you have ever had heart problems or stroke, heart problems including angina (a type of chest pain), heart attack, heart failure, and aortic stenosis (narrowing of the aortic valve opening)
• Hypertension (high blood pressure)
• Hypotension (low blood pressure)
• Physical abnormalities of the penis
• Blood cells problems like sickle cell anemia (inherited blood cell disorder) or leukemia (cancer of the blood-forming tissues)
• Non-arteritic anterior ischemic optic neuropathy (NAION) is losing the blood flow to the optic nerve
• Severe kidney problems
• Liver problems
• Bleeding problems
• Peptic Ulcer

 

How to get Viagra on NHS (National Health Services in the UK)?

First, you should book an appointment, discussing the problem with your doctor, and if the doctor got convinced that you need Viagra, he will give you a prescription that you can get from most pharmacies in the UK.

Always discuss the information in any medical article with your health care provider.

 

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