Actilis 20 Mg (Tadalafil)

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90 Tablet/s$101.25$1.13 / tablet
120 Tablet/s$124.08$1.03 / tablet
150 Tablet/s$145.20$0.97 / tablet
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Estimated delivery: October 31, 2026 – November 5, 2026
Written by Dr Ambrose Chan, MD, MD Medically reviewed by Dr. Sabrina Castillon, MD, MD
Last updated on September 15, 2026
Description

About Actilis 20 Mg (Tadalafil)

Medicine information

Active ingredient
Tadalafil
Indication
Erectile dysfunction (ED) in adult men.
Manufacturer
Centurion Laboratories Pvt Ltd
Packaging
100 tablets in a bottle.
Strength
20 mg

Medicine overview

Actilis 20 mg is an oral tadalafil tablet intended for the treatment of erectile dysfunction in adult men. Tadalafil belongs to the phosphodiesterase type 5 (PDE5) inhibitor class. It supports an erection by improving blood flow to the penis during sexual stimulation; it does not cause an erection without sexual arousal. The 20 mg strength is used as an as-needed strength rather than the standard daily tadalafil regimen.

What it is used for

Actilis 20 mg is used for erectile dysfunction, a condition in which a man has difficulty getting or maintaining an erection adequate for sexual activity. Product-specific information for Actilis identifies erectile dysfunction as its indication. Although tadalafil is also approved in some formulations and strengths for other conditions, those uses should not automatically be applied to this specific Actilis 20 mg product.

How it works

Tadalafil blocks phosphodiesterase type 5, or PDE5. During sexual stimulation, this helps preserve cyclic guanosine monophosphate (cGMP), a chemical signal that relaxes smooth muscle and increases blood flow in erectile tissue. The increased blood flow makes it easier to develop and maintain an erection when sexually stimulated. Tadalafil does not increase sexual desire and does not produce an erection in the absence of sexual stimulation.

How it is taken

Take Actilis 20 mg by mouth only as prescribed. Tadalafil for as-needed erectile dysfunction is taken before anticipated sexual activity and should not be taken more than once per day. The tablet may be taken with or without food. Do not change the prescribed amount or combine it with another erectile dysfunction medicine unless a clinician has specifically advised this.

Important warnings

Do not use tadalafil with nitrates such as nitroglycerin or with guanylate cyclase stimulators such as riociguat because the combination can cause a dangerous fall in blood pressure. Tadalafil should not be used when sexual activity is medically inadvisable because of cardiovascular disease. Caution is required with alpha-blockers, blood-pressure medicines, significant kidney or liver impairment, and strong CYP3A4 inhibitors such as ritonavir, ketoconazole, or itraconazole. Seek emergency care for an erection lasting more than 4 hours. Stop tadalafil and obtain prompt medical attention for sudden loss or reduction of vision or hearing, severe allergic symptoms, fainting, or significant chest symptoms. Do not combine tadalafil with other PDE5 inhibitors or erectile dysfunction treatments unless specifically directed by a healthcare professional.

Side effects and monitoring

Common side effects of tadalafil include headache, indigestion or heartburn, flushing, back pain, muscle aches, nasal congestion, and sometimes nausea. Serious or less common problems include prolonged erection, marked low blood pressure, severe allergic reactions, and sudden changes in vision or hearing. Seek urgent medical attention for an erection lasting more than 4 hours, sudden vision or hearing loss, fainting, or symptoms suggesting a severe allergic or cardiovascular reaction. Clinical review may be needed when cardiovascular disease, blood-pressure medicines, alpha-blockers, kidney or liver impairment, or interacting drugs are present.

Pregnancy

Actilis 20 mg for erectile dysfunction is intended for men and tadalafil is not indicated for use in females for this purpose. Human pregnancy data are insufficient to determine a drug-associated developmental risk.

Breastfeeding

Tadalafil is not indicated for women for erectile dysfunction. There are no adequate human data on tadalafil or its metabolites in breast milk, their effects on a breastfed infant, or their effects on milk production.

Food, drink and interactions

Avoid substantial alcohol intake while taking tadalafil. Both alcohol and tadalafil can lower blood pressure, and larger amounts of alcohol may increase dizziness, headache, rapid heartbeat, or postural low blood pressure.

Food and drink

Tadalafil may be taken with or without food because meals do not require dose timing changes. Grapefruit juice should be avoided while taking tadalafil because it can affect how the medicine is metabolized.

Frequently asked questions

How long can tadalafil 20 mg continue to help after I take it?

Tadalafil used as needed can improve erectile function for up to 36 hours after a dose, although the effect varies between people. Sexual stimulation is still required for an erection.

Do I need to take Actilis 20 mg immediately before sex?

No exact minute-by-minute timing is required. Tadalafil is taken before anticipated sexual activity and has a longer period of activity than some other PDE5 inhibitors, but follow the timing given by your prescriber.

Does food make tadalafil 20 mg less effective?

Food does not require a dose adjustment because tadalafil can be taken with or without meals. Grapefruit juice should be avoided because it may affect tadalafil metabolism.

Can I take another 20 mg tablet later the same day if the first one does not work?

No. The prescribing information states that as-needed tadalafil should not be taken more than once per day. Do not take an extra dose because the response was weaker than expected; discuss persistent problems with a healthcare professional.

Does tadalafil cause an automatic erection for 36 hours?

No. The medicine increases the body's erectile response during sexual stimulation; it does not cause a continuous erection or produce one without sexual arousal. An erection lasting more than 4 hours requires emergency medical care.

Can I drink alcohol with Actilis 20 mg?

Small amounts may not cause a problem for everyone, but substantial alcohol intake can increase the blood-pressure-lowering effect of tadalafil and may cause dizziness, headache, or faintness. Avoid heavy drinking while using it.

Can tadalafil 20 mg be taken with nitrate medicine for chest pain?

No. Tadalafil must not be taken with nitrates because the combination can cause a potentially dangerous fall in blood pressure.

Will I need a prescription for tadalafil?

Yes. Tadalafil is supplied as a prescription medicine in regulated markets such as the United States, and prescription requirements may differ by country.

Sources

  1. www.actilis.co
  2. www.actilis.co
  3. www.dailymed.nlm.nih.gov
  4. www.dailymed.nlm.nih.gov
  5. www.nhs.uk
  6. medlineplus.gov

Medical information notice: This information does not replace advice from a qualified healthcare professional. Use prescription medicine only as directed by the prescriber and the approved product information.

Additional information
Active IngredientsTadalafil
ManufacturerActiza Pharma, India
PackagingQty
strength20mg
Delivery Time6 To 15 days
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