Viridal

Viridal Duo contains alprostadil, a synthetic version of prostaglandin E1 supplied in a dual-chamber syringe for intracavernosal injection. It helps men achieve and maintain an erection. 

It treats erectile dysfunction (impotence) of vascular, psychogenic, neurogenic, or mixed origin when tablets such as sildenafil are unsuitable or ineffective. It may also be used during diagnostic penile Doppler tests. 

Alprostadil relaxes smooth muscle and dilates penile blood vessels, increasing blood flow to the corpora cavernosa, producing an erection within minutes. 

Dosing is highly individual. Treatment starts with 2.5-10 µg injected into the side of the penis, titrated up to a maximum of 40 µg. You must wait at least 24 hours between injections and never inject more than 3 times per week. 

An erection typically develops within 5-15 minutes and lasts 30-60 minutes. 

Viridal is used when needed, so an omitted dose simply means no injection. Never inject more frequently than advised. 

• Common: mild penile pain, bruising at injection site, small haemorrhage, or transient dizziness.   
• Occasional: prolonged erection, scarring (fibrosis), or curvature.
• Rare but serious: priapism requiring urgent intervention or systemic allergic reaction. Tell your doctor if you notice nodules, increasing curvature, or recurrent erections lasting >2 hours.

Hypersensitivity is rare but possible. Stop treatment if you develop rash, swelling, or breathing difficulty. 

Combining with oral PDE-5 inhibitors or other vasoactive agents can increase the risk of priapism and hypotension. Always inform your doctor about blood-pressure medicines or anticoagulants. 

Not applicable-Viridal is for male use only. 

Dizziness is uncommon but may occur. Avoid driving until you know your response. 

Excess alcohol may impair erectile response and raise dizziness risk. 

Wash hands, assemble the syringe, inject into the lateral corpus cavernosum at 10-2 or 2-10 o’clock positions, alternating sides. Apply gentle pressure afterwards. Only use the supplied needles; never share syringes. 

Store unopened kits in a refrigerator (2-8°C). Use immediately after mixing and discard leftovers. 

Excess dose can cause prolonged erection (priapism) lasting >4 hours, pain, or penile fibrosis. Seek emergency help if an erection lasts longer than 2 hours. 

Regular follow-ups are essential to check for penile fibrosis or curvature. 

Do not use Viridal if you have sickle-cell anaemia, leukaemia, multiple myeloma, penile implants, an anatomical deformity (severe curvature), or a predisposition to priapism. It is not indicated for women or children. 

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