Generic Tadasiva

Common use

Tadasiva is a dual-action medication formulated to help men with erectile dysfunction (ED) achieve and maintain firm erections for sexual activity. It contains Tadalafil, known for its long-lasting effect of up to 36 hours, and Sildenafil Citrate, which acts faster to initiate erections within about 30–60 minutes. This combination is designed to provide both quick onset and extended duration of action. Tadasiva works by increasing blood flow to the penis in response to sexual stimulation.

Dosage and direction

Tadasiva is usually taken one tablet orally about 30–60 minutes before sexual activity. It should not be taken more than once in 24–48 hours, depending on the doctor’s advice, due to the long half-life of Tadalafil. The tablet should be swallowed whole with a glass of water. Sexual stimulation is necessary for the medication to be effective.

Precautions

Before taking Tadasiva, inform your doctor if you have heart problems, high or low blood pressure, liver or kidney disease, or a history of stroke. Avoid consuming large amounts of alcohol, as it may increase side effects like dizziness or low blood pressure. Grapefruit or grapefruit juice may affect drug metabolism and should be avoided. This medicine is intended for adult men only and should not be used by women or children.

Contraindications

Tadasiva should not be used by individuals who are allergic to Tadalafil, Sildenafil, or any component of the product. It is contraindicated in patients taking nitrates for chest pain or certain alpha-blockers, as dangerous drops in blood pressure may occur. It is also unsuitable for men advised to avoid sexual activity due to heart conditions. Always consult a doctor before starting therapy.

Possible side effect

Common side effects may include headache, flushing, nasal congestion, indigestion, or dizziness. Some men may experience blurred vision, muscle pain, or backache. Rare but serious side effects include chest pain, sudden vision or hearing loss, and priapism (prolonged erection lasting more than 4 hours). Seek medical help immediately if serious symptoms occur.

Drug interaction

Tadasiva may interact with nitrates, certain blood pressure medicines, antifungal drugs, antibiotics, and HIV protease inhibitors. Combining it with other ED treatments can increase side effects. Tell your doctor about all prescription, over-the-counter, and herbal supplements you use. Alcohol may enhance dizziness and low blood pressure effects.

Missed dose

Tadasiva is taken as needed, so a missed dose is not typically an issue. Do not take extra tablets to compensate for a missed opportunity. Follow your doctor’s instructions on frequency of use. Overuse may increase the risk of adverse effects.

Overdose

Overdosing on Tadasiva may cause severe dizziness, fainting, chest pain, or a prolonged erection. Seek immediate medical attention if overdose is suspected. Treatment is symptomatic and supportive. Never exceed the prescribed dose.

Storage

Store Tadasiva at room temperature (15–30°C / 59–86°F) in a dry place away from moisture and heat. Keep it in its original packaging until use. Do not use after the expiration date. Keep out of reach of children and pets.

Disclaimer

We provide only general information about medications which does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.

Clinical Verification

Last Clinically Updated: August 15, 2026

Written By

Dr. Elena Vance, PharmD

Clinical Specialist in Neuropharmacology

Fact Checked By

Marcus Thorne, MS

Biomedical Data & FDA Label Verification

Medically Reviewed By

Dr. Arthur Campbell, MD

Board-Certified Psychiatrist (ABPN)