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Erectile Dysfunction (ED): Viagra is primarily used to treat erectile dysfunction in men. It works by improving blood flow to the penis, helping men achieve and maintain an erection.

How you take Viagra matters since certain foods or drinks can alter the way it works. If you are wondering how to use Viagra, here are some tips:

• If you are taking Viagra pills to boost your sexual performance, ensure you take them at least 30-60 minutes before intercourse since the medication takes time to work.
• Water is the safest way to take Viagra since it will cause fewer side effects. Remember to take the medication with room temperature water as hot water might dissolve the outer coating.
• Avoid taking the medication with high-fat foods such as burgers or fries, as they can affect absorption and reduce its effectiveness.
• Taking grapefruit juice with Viagra is a strict no. Grapefruit is known to affect the metabolization of this medication and can even cause side effects like low blood pressure.
• Your Viagra dosage will be decided by your doctor however, you should never take more than 2 doses at the same time. Too much Viagra in your system can lead to health problems like headaches, orthostatisms, or low blood pressure and in some cases even fainting.

• If you experience severe dizziness, fainting, chest/jaw/left arm pain, or nausea during sex, stop immediately and seek medical help.
• In exceptional circumstances, taking 100 mg of Sildenafil Citrate could result in sudden vision loss. This condition, known as NAION, can potentially cause irreversible blindness in one or both eyes. Should this happen, discontinue the medication and immediately take medical advice.
• You are at a higher risk of developing NAION if you have heart disease, diabetes, high cholesterol, specific eye problems ("crowded disk"), high blood pressure, are over 50, or if you smoke.
• Rarely, a sudden decrease or loss of hearing, sometimes accompanied by ear ringing and dizziness, may occur. Stop taking Sildenafil dosage and seek medical help immediately if these symptoms appear.
• If you experience a painful or prolonged erection lasting 4 or more hours, stop using this medication and get medical help immediately to prevent permanent damage.
• A severe allergic reaction to generic Sildenafil Citrate is uncommon. If you start to have symptoms like itching, rash, swelling (especially of the tongue, face, or throat), bad vertigo, or difficulty in breathing, seek medical help right away.
• This list of adverse reactions may not cover all possibilities. If you notice any further symptoms, dont hesitate to get in touch with your healthcare provider or pharmacist.

Cardiovascular Problems: While rare, Viagra can cause serious cardiovascular problems such as heart attack, heart disease, stroke, and arrhythmia. If you experience chest pain, shortness of breath, or other symptoms of a heart attack or stroke, seek immediate medical attention.

Low Blood Pressure: In some cases, Viagra can cause a significant drop in blood pressure, especially when taken with certain medications. This can lead to dizziness, fainting, or other serious problems.

Non-arteritic Ischemic Optic Neuropathy (NAION): NAION is a rare condition that can cause sudden vision loss. It is more likely to occur in people with certain risk factors, such as diabetes, high blood pressure, or a history of heart problems.

Avoid activities that require full alertness or clear vision, such as driving or operating machinery, until you know how sildenafil affects you.

Priapism is a prolonged erection that lasts more than 4 hours. This is a medical emergency and requires immediate treatment.

Sudden Hearing Loss: In rare cases, Viagra can cause sudden hearing loss. If you experience hearing loss, stop taking Viagra and contact your doctor immediately.

llergic Reactions: Some people may experience allergic reactions to Viagra. Symptoms of an allergic reaction can include hives, swelling, difficulty breathing, and a rapid heartbeat. If you have an allergic reaction to Viagra, seek immediate medical attention.

When to Seek Medical Attention

If you experience any of the serious side effects listed above, discontinue use and seek medical attention immediately. Even if you experience mild side effects that do not improve, it is important to consult with your doctor.

For residents of the United States

Talk to your doctor about any side effects you experience while taking Viagra. You can report adverse reactions to the FDA at 1-800-FDA-1088 or online at www.fda.gov/medwatch

For residents of Canada

Consult your doctor about any side effects you experience while taking Viagra. Report side effects to Health Canada by calling 1-866-234-2345

Inform your doctor or pharmacist if:

• You are allergic to Viagra or any of its ingredients.
• You have penis conditions like angulation, scarring, or Peyronies disease.
• You have liver disease.
• You have retinitis pigmentosa.
• You have experienced vision loss.
• You have sickle cell anemia, leukemia, or NAION (non-arteritic ischemic optic neuropathy)

Safety Precautions

• Avoid driving or activities requiring alertness if you experience dizziness or vision loss after taking Viagra.
• If you are pregnant, consult your doctor before taking Viagra. While Viagra can be used by women for certain conditions, it should be used with caution during pregnancy due to the potential risk of high blood pressure in the lungs.
• If you are planning to become pregnant, discuss your options with your doctor before starting Viagra

If you are taking Viagra, there are certain drugs you need to avoid. Some drugs are known to cause lethal side effects.

• PDE5 Inhibitors: You should never take Viagra 25mg with other ED drugs, especially PDE5 inhibitors like Sildenafil, Revatio, Tadalafil, Avanafil, and Vardenafil. Combining these can lead to severe health risks, including heart attack or sudden death.
• Nitrates: Viagra and nitrates such as nitroglycerin, butyl nitrate, and poppers should not be used together. This combination can cause serious cardiovascular complications.
• Blood Pressure Medications: Even though Sildenafil is used for ED and blood pressure management, combining it with Viagra 100 mg can lead to health problems such as indigestion, migraine, blocked nose, flushes, vision issues, and low blood pressure. Seek prompt medical attention if you experience sudden drops in blood pressure or vision problems.
• Alpha Blockers: Alpha blockers, which are often prescribed for blood pressure issues, should not be mixed with ED medications like Viagra. This combination can cause a sudden drop in blood pressure. Consult your doctor before using alpha blockers with Viagra.

• When storing Viagra for later use, keep the container away from heat, light, moisture, and freezing temperatures.
• If the medication is in liquid form, store it in the fridge.
• Always dispose of expired and outdated medications. Contact a healthcare professional for the best way to do it.