Do i need a prescription to buy viagra online

Sildenafil citrate, commonly known by the brand name, is a prescription-only medicine used to treat erectile dysfunction (ED) in adult men. It works by improving blood flow to the penis, helping to achieve and maintain an erection during sexual activity.

Dosage and Administration

Sildenafil is available in 25mg, 50mg, and 100mg strengths.

  • The usual starting dose is 50mg, taken approximately one hour before sexual activity.
  • Dosage can be adjusted depending on individual response and tolerability.
  • Take only one tablet in 24 hours, with or without food.
  • Avoid grapefruit juice, as it can increase the risk of side effects.
  • A high-fat meal may delay onset of action.

Effectiveness

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.

Side Effects

Common side effects include:

  • Headache
  • Flushing
  • Nasal congestion
  • Indigestion

Less common but serious effects include visual disturbances, hearing changes, or prolonged erections. Seek medical attention if severe or persistent side effects occur.

Contraindications

Sildenafil should not be used by those:

  • Taking nitrates for chest pain
  • With severe heart or liver conditions
  • Under 18 years of age
  • With certain medication interactions (e.g. alpha-blockers, antifungals, antibiotics)

Interactions

Inform your doctor of all medications and supplements before use. Interactions may occur with:

  • Nitrates
  • Alpha-blockers
  • Some antibiotics and antifungal medicines

Alcohol and Heart Conditions

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.

Availability and Cost

Sildenafil is available by prescription only in the UK.

  • Generic versions are more affordable than branded Viagra.
  • Supplied by licensed UK pharmacies such as Online Chemist.
  • Avoid counterfeit products from unregulated websites.

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Explore About Viagra & Other Erectile Dysfunction Products onraining

Viagra is a popular medication used to treat erectile dysfunction (ED). It contains the active ingredient sildenafil citrate, which is a * phosphodiesterase type 5 (PDE5) inhibitor. Sildenafil works by relaxing the blood vessels in the penis, allowing blood to flow into the penis when the person is sexually excited.

Common Uses of Viagra

Viagra is also used to treat pulmonary arterial hypertension (PAH). This condition affects the heart, causing heart palpitations, fainting, and angina. If you have PAH, you may feel lightheadedness, fainting, or discomfort in the chest. This may be a sign of heart problems.

Viagra is used to treat erectile dysfunction (ED). ED is a condition where a person has difficulty achieving or maintaining an erection. It can cause problems in both physical and psychological ability. Viagra works by relaxing the blood vessels in the penis, allowing blood to flow into the penis when the person is sexually excited.

How To Use Viagra

To get the best out of side effects, avoid using any other medications if you have had any side effects before. Tell your doctor if you are taking any other medications, especially any over-the-counter medications or supplements. Viagra may interact with some drugs, so be sure to tell your doctor about all medications you are taking. If you are taking any of the following medications, be sure to tell your doctor about them.

  • Nitrates: If you are taking any of the medicines listed below, be sure to tell your doctor about them.
  • Antifungals: Viagra may interact with some medications, so be sure to tell your doctor about them.
  • Medications for high blood pressure
  • Medicines to treat low blood pressure: Viagra may interact with certain medications, so be sure to tell your doctor about it.

Drug Interactions

Viagra can affect several medications. Most of the interactions are mild, and there may be some harmful interactions. If you’re already taking a few medications, be sure to tell your doctor before you start taking Viagra.

Less common medications may interact with. You may not get an interaction result if you take Viagra with certain medications. Speak to your doctor about potential interactions with any of the following medications:

  • Diabetes medications: Viagra may reduce blood sugar levels in individuals with diabetes. Be sure to tell you how you should take Viagra.
  • Heart medications: Viagra may increase the blood pressure in patients with heart conditions.
  • Pain relievers: Viagra may interact with some medications, so be sure to tell you how you should take Viagra.
  • Antacids: Viagra may interact with certain antacids, such as aluminum hydroxide, calcium hydrogen phosphate, or magnesium hydroxide.
  • Medicines to treat high blood pressure: Viagra may interact with certain medications, so be sure to tell you how you should take Viagra.

Dosage and Administration

The dosage of Viagra depends on the person. Viagra is taken about 1-3 hours before sexual activity. The medication may be taken with or without food, but it is recommended to take it about an hour before sexual activity.

Viagra & Its Effects

The effects of Viagra may last for up to 36 hours. If Viagra is taken after a high-fat meal, it may cause an erection only if the person’s stomach is empty. However, do not take Viagra more than once a day. Do not take Viagra more than the prescribed amount.

If Viagra is taken before sex, sexual stimulation may cause an erection. Viagra may not increase sexual desire, but it can increase desire for sexual activity if used in conjunction with arousal.

Product Overview

Viagra (sildenafil citrate) is a medication used to treat erectile dysfunction (ED).

Viagra is a medication that is available as an over-the-counter (OTC) treatment. It is a prescription drug and is manufactured in Malta. It is a generic medication. It is not used for erectile dysfunction and is also not approved for the treatment of pulmonary arterial hypertension.

Viagra has a long history in the pharmaceutical industry and its introduction has made it easier for men to buy their medications. It can be prescribed for erectile dysfunction, pulmonary arterial hypertension, and other conditions. Viagra is also available in tablets and oral suspension. The treatment is administered orally. The medication is available without a prescription and has been approved by the Medicines and Healthcare Products Regulatory Agency (MHRA) as a treatment for premature ejaculation. The treatment is also available in a generic form. Viagra is a medication used to treat erectile dysfunction (ED).

Viagra is available only with a doctor’s prescription. The medication must be taken as a pill to ensure its effectiveness and to avoid side effects. It is important to follow the recommended dosage and not to take more than the prescribed amount. For more information about Viagra, see the

.

How to take Viagra

Viagra should be taken orally with a glass of water. The dosage is the same as prescribed for a normal daily dose. However, it is important to be aware of the possible side effects and how to monitor for them.

Viagra side effects

Viagra is a common medication used to treat erectile dysfunction. Common side effects include:

  • impotence (erection) and
  • back pain
  • dizziness
  • diarrhoea
  • headache
  • nausea
  • stuffy nose
  • stuffy nose (nasal congestion)
  • drowsiness
  • vomit that is present in the nasal passages

Common side effects of Viagra include:

  • indigestion
  • runny nose
  • vomiting
  • fainting

If you experience any side effects of Viagra please seek immediate medical advice and immediate medical attention.

Precautions and warnings

Viagra is a prescription medicine and should only be taken under the supervision of a healthcare provider. It is not intended to cure or prevent erectile dysfunction (ED). Viagra should not be used in conjunction with other medications that increase the risk of cardiovascular events such as nitrates and isosorbide dinitrate (Isordil), nitric oxide donors, or nicorandil. Nitrates are often used in combination with Viagra in the treatment of angina (chest pain). The use of Viagra should also be carefully monitored to avoid the development of a life-threatening condition called hypotension (low blood pressure). Patients with a history of heart attack, stroke or heart failure should avoid using Viagra if they are taking any medication that can cause hypotension ( hypotension due to high blood pressure, including Viagra).

Individuals taking nitrates for chest pain, are at risk of a sudden (sudden) drop in blood pressure when using Viagra. It is essential to take Viagra at the same time each day to maintain consistent blood pressure.

The use of Viagra in combination with other medications, including recreational drugs such as amyl nitrate, butyl nitrate (Islegiline), and nitroglycerin (NitroNitric Oxide; not available in the EU) can cause an increased risk of serious adverse events. Individuals with pre-existing cardiovascular disease should avoid Viagra.

Patients should be informed about the potential for interactions with other medicines and should inform their healthcare provider about any pre-existing conditions before taking Viagra. In the event of a sudden drop in blood pressure, the patient should seek medical advice and seek immediate medical attention.

Viagra dosage

Viagra is a prescription drug. It is typically taken once daily, with or without food. The recommended dosage is usually 50mg taken once daily. It may be taken with or without food. The dosage is determined by the physician based on individual response and tolerance to the medication.

Whether you can take Tadalafil at the same time as your other medications will depend on which medications you are taking.

You are required to complete a short medical consultation questionnaire that asks for any medications that you are prescribed from your GP and will indicate the medications that can’t be taken alongside Tadalafil.

There are several medicines which should not be taken concurrently with Tadalafil. Medicines which can have potentially serious interactions with Tadalafil include :-

• Any alpha-blocker medicines e.g. doxazosin (Cardura), alfuzosin (Xatral), tamsulosin, terazosin, or Flomax, that you can buy in the pharmacy. (These medicines may be used to treat prostate problems or high blood pressure).

• Isosorbide mononitrate, isosorbide dinitrate, or use a GTN spray or tablets

for chest pain or use Rectogesic ointment?

• Nicorandil (Ikorel), used to treat angina

• Cimetidine, used to treat stomach or duodenal (peptic) ulcers

• Theophylline, used to treat asthma

• Antibiotics:- Clarithromycin, Erythromycin and Telithromycin

• Anti-fungals such as itraconazole and ketoconazole

• Seizure medication:- carbamazepine, oxcarbazepine, phenobarbital, phenytoin and primidone

• Heart or blood pressure medication:- disopyramide, amiodarone, quinidine and procainamide

• Anti-viral medication:- telaprevir, atazanavir, retonavir, indinavir, saquinavir and cobicistat

• Recreational drugs:- amyl nitrate (poppers)

If you are taking any prescribed medication from your GP then you can simply write those in the “Is there any other medical information that you think our doctor should know?” section on the medical questionnaire. Then, our doctor will know whether the Tadalafil is safe for you to take.

Read available consultation questions before starting treatment

Tadalafil interaction with other Tadalafil

When Tadalafil was prescribed to you, you should not take :-

  • Sildenafil (Viagra, sildenafil) can interact with Tadalafil and cause potentially serious side effects, including:
  • Sildenafil can interact with vardenafil and cause potentially serious side effects, including:
  • Tadalafil can interact with vardenafil and cause potentially serious side effects, including:

You should not take Tadalafil if you:

  • Have a kidney problems or are at high risk of high blood pressure with a tendency to
  • Have a severe heart problem or heart problems such as high blood pressure, recently diagnosed, such as heart attack or perforation of the heart failure (FIG 1)
  • Have a history of blood pressure symptoms following heart bypass surgery or any other heart
  • Take any class of anti-platelet agents, e.g. - Vascular Endemia - Plication - Trimoz - Sildenafil
  • Take ritonavir as needed.
  • Are allergic to vardenafil or any of the ingredients listed at the end of this leaflet
  • Take any type of medication with a type of antihistamines like
  • Take nitrates for chest pain or angina
  • Take amyl nitrite.
  • Have ever had an erection that lasted for more than 4 hours (priapism) in the last six hours.