ACTIVE HALF-LIFE
5-12 hours
CLASSIFICATION
PDE5 inhibitor
DOSAGE
Men 25-200 mg/day
ACNE
No
WATER RETENTION
No
HBR
Possible
HEPATOTOXICITY
No
AROMATIZATION
No
MANUFACTURER
Pfizer
WAREHOUSE
International Warehouse 2
SUBSTANCE
Sildenafil
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What is it and how is it used?
VIAGRA is classified as a phosphodiesterase type 5 (PDE5) inhibitor, a type of medication that assists in relaxing the blood vessels in the penis, which enhances blood flow during sexual arousal. It is important to note that VIAGRA will only aid in achieving an erection if there is sexual stimulation. It is not intended for individuals without erectile dysfunction, nor should it be used by women.
This medication is specifically designed for men who experience erectile dysfunction, also referred to as impotence, characterized by the inability to achieve or maintain an erection adequate for sexual activity.
What do you need to consider before using it?
Do not use VIAGRA if:Inform your doctor if you have:
If you notice a sudden decrease or loss of vision, stop using VIAGRA and contact your doctor immediately.
You should not combine VIAGRA with any other oral or topical erectile dysfunction treatments.
Special considerations for children and adolescents
VIAGRA is not suitable for individuals under 18 years old.
Special considerations for patients with kidney or liver issues
Notify your doctor if you have kidney or liver problems; a lower dosage may be prescribed.
Taking other medications:
Always inform your doctor or pharmacist about any other medications you are taking, including those acquired without a prescription.
VIAGRA can interact with certain drugs, especially those used for chest pain. In case of a medical emergency, inform any healthcare provider that you have recently taken VIAGRA and the timing of your dosage. Do not take VIAGRA with other medications unless your doctor approves.
Avoid using VIAGRA alongside nitrates to prevent dangerously low blood pressure.
If you are taking protease inhibitors for HIV, your doctor may recommend starting with the lowest dose (25 mg) of VIAGRA.
Patients on alpha-blocker therapy for high blood pressure or prostate enlargement may experience dizziness when combining it with VIAGRA. This can occur within four hours after taking VIAGRA. To minimize these effects, ensure you are on a stable daily dose of the alpha-blocker before starting VIAGRA, and consider beginning with a lower dose of VIAGRA (25 mg).
Taking VIAGRA with food and drink
VIAGRA can be taken with or without food, but it may take longer to work if consumed with a heavy meal.
Excessive alcohol consumption can temporarily hinder your ability to achieve an erection, so it is advisable to limit alcohol intake before using VIAGRA to obtain the best effects.
Pregnancy and Breastfeeding
VIAGRA is not intended for use by women.
Driving and Using Machinery
Be aware that VIAGRA can cause dizziness and affect vision. Assess how you react to the medication before driving or operating machinery.
Important information regarding some ingredients in VIAGRA
If you have been advised by a healthcare provider to avoid certain sugars, such as lactose, consult your doctor before taking VIAGRA.
How is it used?
Always follow your doctor’s instructions on how to take VIAGRA. If you have questions, check with your doctor or pharmacist. The typical starting dose is 50 mg.
Do not take more than one dose of VIAGRA in a 24-hour period.
Take the tablet about one hour prior to planned sexual activity, swallowing it whole with a glass of water.
If you feel that the effect of VIAGRA is either too strong or too weak, consult your doctor or pharmacist.
VIAGRA will help achieve an erection only if you are sexually aroused. It usually takes between 30 minutes to an hour to start working, but may take longer if taken with a heavy meal.
If VIAGRA fails to produce an erection or if the erection does not last long enough to complete intercourse, inform your doctor.
If you take too much VIAGRA:
You may experience increased side effects and their intensity. Doses over 100 mg do not enhance effectiveness. Only take the quantity prescribed by your doctor.
Contact your doctor if you have taken too many tablets.
For further inquiries about this medication, consult your doctor or pharmacist.
What are possible side effects?
As with all medications, VIAGRA can cause side effects, though not everyone will experience them. Reported side effects are generally mild to moderate and short-lived.
If you have chest pain during or after sex:All medications, including VIAGRA, may provoke allergic reactions. If you notice symptoms such as sudden wheezing, breathing difficulties, dizziness, or swelling of the face, eyelids, lips, or throat after taking VIAGRA, contact your doctor promptly.
There have been reports of prolonged and sometimes painful erections following the use of VIAGRA. If an erection lasts more than four hours, seek medical help immediately.
If you suffer sudden vision loss, stop taking VIAGRA and consult your doctor at once.
A very common side effect (occurring in more than 10% of patients) is headache.
Common side effects (occurring in 1 to 10% of patients) include: facial flushing, indigestion, visual changes (such as color tinge, sensitivity to light, blurred vision, or reduced clarity), nasal congestion, and dizziness.
Uncommon side effects (1 to 10 patients in 1000) may include: vomiting, skin rash, eye bleeding, eye discomfort, bloodshot eyes/redness, eye pain, double vision, unusual eye sensations, irregular or fast heartbeat, muscle pain, drowsiness, reduced touch sensitivity, dizziness, ringing in the ears, nausea, dry mouth, chest pain, and fatigue.
Rare side effects (1 to 10 patients in 10,000) encompass: high blood pressure, low blood pressure, fainting, stroke, nosebleeds, and sudden hearing loss.
Other side effects reported post-marketing include: rapid heartbeat, chest pain, sudden death, heart attacks, or temporary decreased brain blood flow. Most, but not all of these incidents, occurred in men with prior heart conditions. It is unclear if these events were directly linked to VIAGRA. Cases of seizures and severe skin reactions requiring urgent medical attention have also been recorded.
If any side effects become severe or if you observe any not mentioned in this guide, please inform your doctor.
How should it be stored?
Do not use VIAGRA after the expiry date written on the packaging. The expiry date refers to the last day of that month.
Medicines should not be discarded via wastewater or household waste. Consult your pharmacist on how to properly dispose of unused medications. These actions will help protect the environment.

