Emergency Situations Requiring Immediate Medical Care
Priapism: A Medical Emergency
An erection lasting more than 4 hours is a serious medical emergency called priapism. This painful condition can occur with both Viagra and sildenafil and requires immediate hospital treatment. Delayed treatment may result in permanent damage to penile tissue. If you experience an erection lasting over 4 hours, seek emergency medical care immediately and inform medical staff you have taken sildenafil.
Cardiovascular Warning Signs
Stop sexual activity and seek urgent medical help if you experience chest pain, severe dizziness, or nausea during or after taking Viagra or sildenafil. These symptoms may indicate serious cardiovascular effects. Men with heart conditions require careful monitoring when using ED medications, which is why proper medical assessment is essential before treatment begins.
Vision and Hearing Changes
Sudden loss of vision in one or both eyes, or sudden decrease in hearing, are rare but serious side effects. These symptoms require immediate medical attention. Stop taking the medication and contact emergency services or attend A&E promptly. Some vision problems may be related to a condition called NAION (non-arteritic anterior ischaemic optic neuropathy).
Severe Allergic Reactions
Signs of serious allergic reactions include difficulty breathing, swelling of face, lips, tongue or throat, and severe skin rashes. These symptoms require emergency medical treatment. If you experience any signs of anaphylaxis, call 999 immediately.
When to Contact Your Prescriber
Contact the healthcare professional who prescribed your medication if you experience persistent side effects, if the medication becomes less effective, or if your health circumstances change. This includes new medications, changes in heart condition, or development of other health problems. EverydayMeds patients can access ongoing clinical support for both Viagra and sildenafil treatment adjustments.
Drug Interactions Requiring Medical Review
Never take sildenafil with nitrate medications (GTN spray, isosorbide tablets) as this combination can cause dangerous blood pressure drops. If you need nitrate treatment for chest pain, inform medical staff immediately that you have taken sildenafil within the last 24 hours. Regular medication reviews help identify potential interactions with new prescriptions.
