Canadian Pharmacy > Stendra (Avanafil) - Known as Spedra Internationally
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Stendra (Avanafil) - Known as Spedra Internationally
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4 $38.00 $9.50 BUY
8 $55.00 $6.88 BUY
16 $90.00 $5.62 BUY
24 $130.00 $5.42 BUY
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Stendra is a prescription medication used to treat erectile dysfunction. Stendra works by relaxing smooth muscles in blood vessels, allowing for increased blood flow that helps some men achieve an erection. Stendra is effective for up to 6 hours.


Always follow your doctor’s instructions when taking Stendra. Never change dosage before consulting a healthcare professional.

  • Stendra can be taken with or without food.
  • Recommended starting dose is 100 mg, to be taken one hour prior to sexual activity.
  • Your doctor may increase the dose to 200 mg or reduce it to 50 mg depending on its effect and any side effects you may experience.
  • Do not take more than once per day. Allow at least 24 hours between doses.
  • Stendra may remain effective for up to 6 hours.

Stendra is not a recreational drug, and does not enhance sexual performance in men who don’t experience erectile dysfunction.

Do not take Stendra if you also use:

  • Nitrate drugs for chest pain or heart problems including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, or amyl nitrate “poppers”
  • Riociguat for pulmonary arterial hypertension

Before prescribing Stendra, your doctor will perform a cardiac workup to ensure your heart is healthy enough to engage in sexual activity. Be sure to inform your doctor of your full medical history, especially:

  • Heart disease, chest pain, or irregular heartbeat
  • Heart attack, stroke or recent heart surgery
  • Congestive heart failure
  • High or low blood pressure
  • Liver or kidney disease
  • Vision loss or retinitis pigmentosa
  • Bleeding disorders
  • Stomach ulcers
  • Peyronie’s disease
  • Hearing disorders
  • Blood cell disorders (sickle cell anemia, multiple myeloma, leukemia)
  • An erection that lasted more than 4 hours
  • Any health issue that makes sexual activity unsafe
Side Effects

Common side effects of Stendra include:

  • Headache
  • Flushing in the face and neck
  • Back pain
  • Stuffy or runny nose

Stop using Stendra and contact your doctor if you experience these more serious side effects:

  • Feeling light-headed or fainting
  • Symptoms of heart attack: chest pain, pain spreading to jaw or shoulder, nausea, sweating
  • Erection that’s painful or lasts more than 4 hours
  • Vision loss or sudden vision changes
  • Hearing problems or ringing in ears
  • Shortness of breath
  • Pain, swelling, warmth, redness in legs

If you have nausea, chest pain, or dizziness during sex, seek immediate medical attention.


How long does Stendra last?

Stendra can be effective for up to 6 hours

How long does Stendra take to work?

Stendra usually takes effect within 30 minutes.

Is it safe to take Stendra with alcohol?

Drinking alcohol can actually contribute to erectile dysfunction, and may make Stendra less effective. Because both alcohol and Stendra can lower blood pressure, mixing the two increases the likelihood of side effects including dizziness and fainting.

How many times a day can I take Stendra?

Stendra should not be taken more than once daily. Ensure at least 24 hours has passed since your last dose.

Will Stendra affect my blood pressure?

Stendra can lower your blood pressure. Men who currently have low or high blood pressure should consult their doctor before taking Stendra. If you use nitrate drugs to treat chest pain, taking Stendra can cause a dangerous drop in blood pressure.

What side effects can I expect?

The most common side effects of Stendra are headache, flushing, back pain and stuffy nose.

Contact your doctor immediately if you experience these more serious side effects: vision loss, light-headedness or fainting, painful or prolonged erection, heart attack symptoms.

IMPORTANT NOTE: The information provided on the website is intended to facilitate awareness about healthcare products and medical conditions generally but it is not a substitute for professional medical attention or advice. You should always speak with a qualified healthcare practitioner before taking any prescription or non-prescription drug.
IMPORTANT NOTE: Please note that not all medications, including any referenced on this page, are dispensed from our affiliated Canadian pharmacy. The medications in your order may be filled and shipped from an approved International fulfillment center located in a country other than Canada. In addition to dispensing medications from our Canadian pharmacy, medication orders are also filled and shipped from international fulfillment centers that are approved by the regulatory bodies from their respective countries. Medication orders are filled and shipped from approved fulfillment centers around the world including, but not limited to, Canada, Singapore, United Kingdom, New Zealand, Turkey, Mauritius, India, Australia, and the United States. The items in your order may be filled and shipped from any one of the above jurisdictions. The products are sourced from various countries including, but not limited to, Canada, United Kingdom, New Zealand, Turkey, India, Australia, and the United States. All of our affiliated fulfillment centers have been approved by the regulatory bodies from their respective countries.

A valid Prescription is required to be mailed or faxed to complete this order. I acknowledge that I will need to be contacted to complete a health profile before my order is shipped.

What's the difference between generic drugs and brand name drugs?

What's the difference between the branded products you sell and the ones I get locally?
The branded drugs we sell are chemically and therapeutically no different from the ones you get in your local pharmacy. They both generally come from the same exact manufacturer. Generally, the main difference* is in the packaging and the price. Our packaging may be different from what you get locally, but we're also much cheaper.

* Other differences may include differences in trade name, form, and general appearance.

Why are there packaging differences?
Due to differences in government regulation, different countries have different packaging requirements. For example, a product in Canada (or any other country) will have different packaging than the same product in the US even though both drugs are chemically and therapeutically equivalent and are generally manufactured by the same exact company.

Why are your drugs so much cheaper?
Due to government price controls, medications from Canada and many other countries are often significantly cheaper than in the United States. Also, other countries may have more affordable generic versions of drugs, which may not yet be available in the US.

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