Sildenafil Information
Pronunciation
(sil DEN a fil)
What is this drug used for?
• It is used to treat erectile dysfunction (ED).
• It is used to treat high blood pressure in the lungs.
• It may be given to you for other reasons. Talk with the doctor.
Frequently reported side effects of this drug
• Diarrhea
• Flushing
• Redness
• Heartburn
• Muscle pain
• Nosebleed
• Stuffy nose
• Runny nose
• Back pain
• Trouble sleeping
Other side effects of this drug: Talk with your doctor right away if you have any of these signs of:
• Severe cerebrovascular disease like change in strength on one side is greater than the other, difficulty speaking or thinking, change in balance, or vision changes.
• Chest pain
• Fast heartbeat
• Abnormal heartbeat
• Dizziness
• Passing out
• Severe headache
• Severe nausea
• Vomiting
• Vision changes
• Blindness
• Trouble hearing
• Noise or ringing in the ears
• Difficulty breathing
• Swelling of arms or legs
• Bleeding
• Bruising
• Erection that lasts more than 4 hours
• Signs of a significant reaction like wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat.
Medication Safety Issues
Sound-alike/look-alike issues:
Revatio may be confused with ReVia, Revonto
Sildenafil may be confused with silodosin, tadalafil, vardenafil
Viagra may be confused with Allegra, Vaniqa
Storage/Stability
Tablets/injection: Store at 20°C to 25°C (68°F to 77°F); excursions are permitted to 15°C to 30°C (59°F to 86°F).
Oral suspension: Store unreconstituted powder below 30°C (86°F); protect from moisture. Store reconstituted oral suspension below 30°C (86°F) or at 2°C to 8°C (36°F to 46°F). Do not freeze. Discard unused Revatio oral suspension after 60 days.
Adverse Reactions
- Based upon normal doses for either indication or route. (Adverse effects such as flushing, diarrhea, myalgia, and visual disturbances may be increased with adult doses >100 mg/24 hours.)
- Cardiovascular: Flushing
- Central nervous system: Dizziness, headache, insomnia, paresthesia
- Dermatologic: Erythema, skin rash
- Gastrointestinal: Diarrhea, dyspepsia, gastritis, nausea
- Genitourinary: Urinary tract infection
- Hepatic: Increased liver enzymes
- Neuromuscular & skeletal: Back pain, myalgia
- Ophthalmic: Visual disturbance (including vision color changes, blurred vision, and photophobia)
- Respiratory: Epistaxis, exacerbation of dyspnea, nasal congestion, rhinitis, sinusitis
- Miscellaneous: Fever