Does this medication have side effects?
The following side effects are associated with Viagra Oral:
Common side effects:
| Problems with Eyesight | Severe |
| Stuffy Nose | Less Severe |
| Indigestion | Less Severe |
| Urinary Tract Infection | Less Severe |
| Temporary Redness of Face and Neck | Less Severe |
| Head Pain | Less Severe |
| Diarrhea | Less Severe |
Infrequent side effects:
| Acute Infection of the Nose, Throat or Sinus | Severe |
| Joint Pain | Less Severe |
| Backache | Less Severe |
| Dizzy | Less Severe |
| Flu-Like Symptoms | Less Severe |
| Rash | Less Severe |
Rare side effects:
| Depression | Severe |
| Disease of the Nerves | Severe |
| Cataracts | Severe |
| Eye Disease Caused by Blood Flow Problems | Severe |
| Eye Hemorrhage | Severe |
| Hearing Loss | Severe |
| Angina | Severe |
| Disease of Inadequate Blood Flow to the Heart Muscle | Severe |
| Disease of the Muscle of the Heart | Severe |
| Atrioventricular Heart Block | Severe |
| Complete Stoppage of the Heart | Severe |
| Abnormal Heart Rhythm | Severe |
| Chronic Heart Failure | Severe |
| Blood Clot in the Brain | Severe |
| Blood Pressure Drop Upon Standing | Severe |
| Abnormally Low Blood Pressure | Severe |
| Inflammation of the Esophagus | Severe |
| Blood coming from Anus | Severe |
| Inflammation of the Bladder | Severe |
| Continued Painful Erection | Severe |
| Skin Rash with Sloughing | Severe |
| Rupture of a Tendon | Severe |
| Abnormal Increase in Muscle Tone | Severe |
| Feeling Faint | Severe |
| Seizures | Severe |
| Pain | Severe |
| Uncoordinated | Severe |
| Fluid Retention in the Legs, Feet, Arms or Hands | Severe |
| Fast Heartbeat | Severe |
| Heart Throbbing or Pounding | Severe |
| Shock | Severe |
| Chest Pain | Severe |
| Problems with Bladder Control | Severe |
| High Amount of Uric Acid in the Blood | Severe |
| High Blood Sugar | Severe |
| Abnormal Liver Function Tests | Severe |
| Reaction due to an Allergy | Severe |
| Diabetes that is Not Under Control | Severe |
| Low Blood Sugar | Severe |
| High Amount of Sodium in the Blood | Severe |
| Anemia | Severe |
| Decreased White Blood Cells | Severe |
| Nightmares | Less Severe |
| Migraine Headache | Less Severe |
| Sensitive to Light | Less Severe |
| Pink Eye | Less Severe |
| Dry Eye | Less Severe |
| Dilated Pupil | Less Severe |
| Pain in the Eye | Less Severe |
| Episode of Short-term Memory Loss | Less Severe |
| Ringing in the Ears | Less Severe |
| Earache | Less Severe |
| Throat Irritation | Less Severe |
| Inflammation of the Voice Box | Less Severe |
| Sinus Irritation and Congestion | Less Severe |
| Herpes Simplex Infection | Less Severe |
| Bronchitis | Less Severe |
| Asthma | Less Severe |
| Inflammation of the Gums | Less Severe |
| Dry Mouth | Less Severe |
| Painful, Red or Swollen Mouth | Less Severe |
| Painful, Red or Swollen Tongue | Less Severe |
| Burning Stomach | Less Severe |
| Inflammation of the Large Intestine | Less Severe |
| Inflammation of the Lining of the Stomach and Intestines | Less Severe |
| Swelling of the Testicles | Less Severe |
| Enlarged Breasts in Males | Less Severe |
| Sun-Sensitive Skin | Less Severe |
| Contact Dermatitis | Less Severe |
| Itching | Less Severe |
| Skin Ulcer | Less Severe |
| Hives | Less Severe |
| Joint Damage causing Pain and Loss of Function | Less Severe |
| Arthritis | Less Severe |
| Inflammation of the Covering of the Tendon | Less Severe |
| Muscle Weakness | Less Severe |
| Muscle Pain | Less Severe |
| Nerve Pain | Less Severe |
| Bone Pain | Less Severe |
| Drowsiness | Less Severe |
| Sensation of Spinning or Whirling | Less Severe |
| Chronic Trouble Sleeping | Less Severe |
| Excessive Sweating | Less Severe |
| Chills | Less Severe |
| Involuntary Quivering | Less Severe |
| Visible Water Retention | Less Severe |
| Puffy Face from Water Retention | Less Severe |
| Excessive Thirst | Less Severe |
| Trouble Breathing | Less Severe |
| Cough | Less Severe |
| Increase in the Amount of Phlegm | Less Severe |
| Throwing Up | Less Severe |
| Difficulty Swallowing | Less Severe |
| Frequent Urination | Less Severe |
| Urination During the Night | Less Severe |
| Stomach Cramps | Less Severe |
| Weak Reflexes | Less Severe |
| Numbness and Tingling | Less Severe |
| Inflammation of the Lining of a Joint | Less Severe |
| Feeling Weak | Less Severe |
| Gout | Less Severe |
| Sexual Problems | Less Severe |
| Problem with Ejaculation | Less Severe |
