Cialis.

Cialis (tadalafil) can be taken by patients diagnosed with erectile dysfunction and unable to complete sexual intercourse because of flaccid erection. This drug is taken an hour before having sex and is known to help you last for up to 26 hours. You are not supposed to take Cialis more often than every 24 hours to avoid an overdose. Mild side effects are possible, especially at the beginning of the treatment. The following ones are likely: stuffy nose, headache, sore throat, diarrhea, upset stomach, memory problems, muscle pain, and warmth or redness in your face. The side effects mentioned are considered to be mild and do not need to be reported. You will need to report any of the following serious side effects. The following ones are possible, although quite rare: back pain, fainting, shortness of breath, sudden hearing loss, chest pain, vision changes, feeling light-headed, seizure, irregular heartbeat, swelling in your hands, ankles, or feet, and ringing in your ears. Make sure you tell your doctor if you think Cialis is not being efficient for you, but do not take a higher dose based on your own judgment.