Critical Safety Information for Viagra Users
Who Should Not Take Viagra
Viagra is not suitable for everyone. Men taking nitrate medications (such as GTN spray or isosorbide tablets) must never use Viagra, as this combination can cause life-threatening drops in blood pressure. Those with severe heart disease, recent heart attack or stroke within six months, severe liver problems, or very low blood pressure should avoid this treatment. Additionally, men with hereditary eye conditions affecting the retina or allergies to sildenafil should not take Viagra.
Important Drug Interactions
Beyond nitrates, several medications can interact with Viagra. Alpha-blockers used for prostate problems may cause blood pressure to drop when combined with sildenafil. Some HIV medications, antifungal treatments, and antibiotics can increase Viagra levels in the blood, potentially causing side effects. Always inform your prescriber about all medications, including over-the-counter remedies and herbal supplements, during your consultation.
Cardiovascular Considerations
Sexual activity places demands on the cardiovascular system, so men with heart conditions require careful assessment before starting Viagra. Your prescriber will evaluate whether your heart is healthy enough for sexual activity. If you experience chest pain, dizziness, or nausea during sexual activity whilst taking Viagra, stop immediately and seek medical attention.
Dosage Guidelines and Timing
The standard starting dose is 50mg, taken approximately one hour before sexual activity. Your prescriber may adjust this to 25mg if side effects occur, or increase to 100mg if the lower dose proves insufficient. Never take more than one dose in 24 hours, regardless of effectiveness. Fatty meals can delay the medication's onset, so consider timing your dose accordingly.
Choosing Between Viagra and Generic Sildenafil
EverydayMeds offers both branded Viagra and generic sildenafil at checkout. Both contain the same active ingredient and work identically, but generic sildenafil typically costs significantly less. The choice between branded and generic options comes down to personal preference and budget considerations, as both undergo the same safety checks and clinical assessment process.
When to Seek Immediate Medical Help
Rare but serious side effects require urgent medical attention. If you experience an erection lasting more than four hours (priapism), sudden vision or hearing loss, or severe allergic reactions, seek emergency medical care immediately. These situations, whilst uncommon, require prompt treatment to prevent long-term complications.
Side Effects and Monitoring
Common side effects include headaches, facial flushing, indigestion, and nasal congestion. These typically mild effects often improve as your body adjusts to treatment. However, any persistent or concerning symptoms should be reported to your prescriber. Regular monitoring may be recommended, particularly for men with underlying health conditions or those taking multiple medications.












