Cobra 200 Sildenafil Tablet

What is sildenafil used for?

Sildenafil is commonly used for the following conditions.

• Erectile dysfunction, a condition where you have trouble getting or keeping an erection
• Pulmonary arterial hypertension, a condition where you have high blood pressure in the blood vessels that carry blood from your heart to your lungs

Sildenafil may also be used for other conditions as determined by your healthcare provider.

How does sildenafil work (mechanism of action)?

Sildenafil works by blocking an enzyme in the body called PDE5, which helps relax certain blood vessels. For erectile dysfunction, it increases blood flow to the penis when aroused. This makes it easier to get and keep an erection. For pulmonary arterial hypertension, sildenafil relaxes the blood vessels in the lungs. This lowers blood pressure and reduces strain on the heart.

How is sildenafil supplied (dosage forms)?

Brands and other names

• Viagra
• Revatio

Dosage forms and strengths

• 10 mg/mL powder for oral suspension
• 20 mg, 25 mg, 50 mg, 100 mg oral tablets

Sildenafil is also available in an injectable form that is usually given by a healthcare provider in a hospital or clinic.

How should I store sildenafil?

Oral Tablet. Sildenafil oral tablets should be stored at room temperature, between 68 F to 77 F (20 C to 25 C). It can be exposed to temperatures between 59 F to 86 F (15 C to 30 C) for shorter periods of time, such as when transporting it. Store in a cool, dry place.

Oral Liquid. Sildenafil oral liquid should be stored at room temperature below 86 F (30 C) or in the refrigerator, between 36 F to 46 F (2 C to 8 C). Avoid freezing. Throw away any remaining liquid 60 days after it has been mixed for you by a pharmacist or healthcare professional.

Injection Liquid. Sildenafil injection is usually given by a healthcare provider in a hospital or clinic. You will not store it at home.

Side EffectsWhat are the most common side effects of sildenafil?

The most common side effects of sildenafil are listed below. These side effects may vary depending on the condition that is being treated. Tell your healthcare provider if you have any of these side effects that bother you. 

• Headache
• Flushing
• Upset stomach 
• Vision changes (see below)
• Nasal congestion
• Pain in your muscles, back, arms, or legs
• Nausea
• Dizziness
• Rash
• Diarrhea
• Painful, prolonged erection