Consult your doctor before using Viagra or Cialis. These medications can interact negatively with other drugs, especially nitrates used for heart conditions. This combination can cause a dangerous drop in blood pressure.
Headache is a common side effect, often mild and temporary. Persistent or severe headaches require medical attention.
Facial flushing (redness) is another frequent side effect. It usually resolves on its own.
Nasal congestion can occur. This is typically not serious, but persistent congestion should be reported to your physician.
Visual disturbances, such as blurred vision or changes in color perception, are possible. If these effects persist or worsen, seek medical advice immediately.
Rare but serious side effects include prolonged erection (priapism), which requires immediate medical intervention to prevent permanent damage. Sudden hearing loss or vision loss are also rare but serious potential risks requiring prompt medical attention.
Gastrointestinal issues like indigestion or upset stomach may occur. These are generally mild and self-limiting.
Muscle aches and back pain are potential side effects. Over-the-counter pain relievers may help manage these symptoms, but consult your doctor if the pain is severe or persistent.
This information is not exhaustive. Always discuss potential risks and benefits with a healthcare professional before using Viagra or Cialis.
