Caverta (Generic Sildenafil Citrate) – Effective ED Treatment

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What is Caverta used for
Caverta contains sildenafil citrate, a PDE5 inhibitor used to treat erectile dysfunction in men by increasing blood flow to the penis. It helps achieve and maintain an erection only when sexually stimulated.
Brand Name: Caverta

Generic Name: Sildenafil Citrate

Form: Oral Tablets

Strengths Available: 25 mg, 50 mg, 100 mg

Manufacturer: Ranbaxy Laboratories

Drug Class: Phosphodiesterase Type 5 (PDE5) Inhibitor

Availability: Prescription Only (Rx)

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Sildenafil Citrate

Each Caverta tablet contains Sildenafil Citrate equivalent to sildenafil 100 mg (also available in lower strengths), a selective PDE5 enzyme inhibitor.

Generic Name: Sildenafil

Viagra (Pfizer)

Suhagra

Manforce

Zenegra

Edegra

Penegra
Caverta works by selectively inhibiting phosphodiesterase type-5 (PDE5), an enzyme responsible for the degradation of cyclic guanosine monophosphate (cGMP). cGMP causes smooth muscle relaxation and vasodilation in the corpus cavernosum of the penis, allowing for increased blood flow during sexual stimulation.

Onset: 30–60 minutes

Duration: Up to 4 hours

Requires sexual arousal for effectiveness
Primary Use:

Erectile Dysfunction (ED)

Off-label / Experimental Uses:

Pulmonary Arterial Hypertension (under Revatio brand)

Raynaud's phenomenon

Female sexual arousal disorder (investigational)
Usual Dosage (Adults):
Initial Dose: 50 mg once daily, 30–60 minutes before sexual activity

Adjustments: May increase to 100 mg or reduce to 25 mg based on efficacy and tolerance

Maximum Dose: 100 mg/day

Route: Oral; with or without food (avoid high-fat meals)
Elderly or hepatic/renal impairment: Start with 25 mg

Do not take more than once in 24 hours

Effective only with sexual stimulation

Not intended for continuous daily use

Avoid grapefruit juice (inhibits CYP3A4 metabolism)

Contraindicated with nitrates or nitric oxide donors
Pregnancy Category: Not for female use

Use in Women & Children: Not recommended

Driving: May cause dizziness or visual disturbances

Alcohol: May increase risk of hypotension

Common Side Effects Serious Adverse Effects
Headache, flushing, nasal congestion Priapism (prolonged erection)
Indigestion, dizziness Sudden hearing or vision loss
Visual color distortion Hypotension when combined with nitrates
Back pain, muscle aches Cardiovascular events in predisposed patients

Cardiovascular disease: Use with caution in patients with angina or recent MI/stroke

Hypotension risk: Avoid with alpha-blockers and nitrates

Vision loss: Risk of NAION (non-arteritic anterior ischemic optic neuropathy)

Priapism: Medical emergency if erection lasts more than 4 hours

Hepatic/Renal impairment: Use lower dose and monitor
Pharmacologic Class: PDE5 Inhibitor

ATC Code: G04BE03

Legal Status: Schedule H (Rx Only)
Interacting Agent Effect/Risk
Nitrates (GTN, ISMN) Severe hypotension – contraindicated
CYP3A4 inhibitors (Ketoconazole, Ritonavir) Increases sildenafil concentration
Alpha-blockers (Doxazosin, Tamsulosin) Risk of symptomatic hypotension
Alcohol May enhance hypotensive effects
Antihypertensives Additive blood pressure-lowering effect

Goldstein et al. (1998, J Urol): Sildenafil significantly improved erectile function in over 70% of men with ED vs. placebo

Sildenafil in PAH (Revatio brand): Effective vasodilator in pulmonary hypertension (NEJM, 2005)

Systematic Reviews (Cochrane): Consistently supports safety and efficacy for ED across age groups and causes

Frequently Asked Questions (FAQs)
Q1: What is Caverta used for?
Caverta is primarily used to treat erectile dysfunction by enhancing blood flow to the penis, allowing for a firm and lasting erection during sexual activity.

Q2: How long does Caverta last?
Effects can last up to 4 hours, with optimal results observed within 1 hour of ingestion.

Q3: Can I take Caverta daily?
No. Caverta is designed for as-needed use only, not for daily dosing. Do not exceed 1 tablet in 24 hours.

Q4: Can I take Caverta with alcohol?
Alcohol may reduce the effectiveness and increase side effects like dizziness or low blood pressure. Limit alcohol intake while using Caverta.

Q5: Is Caverta the same as Viagra?
Yes. Caverta contains Sildenafil Citrate, the same active ingredient as Viagra, and works in a similar way.
Store below 30°C

Keep in original packaging

Protect from heat, moisture, and sunlight

Keep out of reach of children

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