Megalis 20 mg Tablet: Uses, Side Effects, Composition & Dosages

Megalis 20 mg tablet is effective in assisting in keeping the muscles relaxed present in blood vessel walls, and hence successfully increasing blood flow to various parts of the body. The drug is hence usually used in the treating erectile dysfunction. The drug, manufactured by Macleods Pharmaceuticals Pvt. Ltd., also assists in treating pulmonary, arterial hypertension and also increases the ability to exercise.

Megalis 20 mg Tablet

Composition and Nature of Megalis 20 mg Tablet:

The tablet contains Tadalafil as an active ingredient. Megalis tablet operates by escalating the flow of blood in penis by relaxation and widening of blood vessel.

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Uses and Benifits of Megalis 20 mg Tablet:

  • Erectile Dysfunction: Megalis 20 mg tablet assists in the treatment of impotence. In such cases, sustenance of erection is a problem. The tablet thus helps in sustenance of an erection. However, it works only if sexual stimulation exists.
  • Pulmonary arterial hypertension: Megalis 20 mg tablet assists in the treatment of high blood pressure. It also improves exercising ability in such patients.
  • Benign prostatic hyperplasia: The tablet is also very useful in the treatment of the symptoms of age connected enlargement of the prostate gland that may include difficult, painful, and frequent urination.

This list is a non-exhaustive list and the drug Megalis 20 mg might have various other uses and benefits as well. It is advised that patients do not consumed the medicine because someone else with similar symptoms have consumed the medicine. It is recommended to consult a physician before consuming the medicine.

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Side Effects of Megalis 20 mg Tablet:

Although not always, in addition to its intended effects, the Megalis 20 mg tablet can have various unwanted side-effects. In such a case, it is recommended that the patient should immediately seek professional medical attention. It is advised that the patient must inform the doctor in case of any adverse reaction to the medication. The list below is a non-exhaustive list of the possible side-effects caused by the medicine.

  • Headache
  • Heartburn
  • Nausea
  • Diarrhea
  • Flushing
  • Dizziness
  • Decrease/loss of vision
  • Persistent cough
  • Change in color vision
  • Prolonged and painful erection
  • Allergic skin reaction
  • Decrease/loss of hearing
  • Difficulty in breathing
  • Difficulty in swallowing
  • Swelling of hands, face, eyelids, lips, tongue, and feet
  • Peeling and blistering of skin
  • Upper respiratory tract infection
  • Pain in the arms, legs and the back
  • Uterine bleeding

However, these side effects go away with time. If they do persist it is best that you seek medical help.

If post intake of the medication to treat erectile dysfunction a patient experiences a very painful erection or in another case the erection stays on for longer than hours hours, the patient should immediately consult the doctor. An erection that stays on for a long period could have the potential to cause harm to the penis.

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Dosage of Megalis 20 mg Tablet:

One should take Megalis 20 mg tablet as prescribed by the physician and should not attempt to self-medicate. One should not crush or chew it. It is advised that one should take the medications regularly and at a consistent time. In the case of a missed dose, one should take the missed dose as soon as possible. However, if it is already time for the next scheduled, it is advised to skip the missed dose. One should not double a dose to make up for a missed one. In case of overdose, one should immediately seek medical attention.

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How Megalis 20 mg Tablet works?

Megalis 20mg tablet is a phosphodiesterase (PDE-5) inhibitor. It is effective in the cases of erectile dysfunction by escalating the flow of blood to the penis. It also is useful in cases of pulmonary hypertension by calming the blood vessels in the lungs to allow blood to flow more easily.

Warnings and Precautions Related to Megalis 20 mg Tablet

There are several warnings associated with the usage of the drug .

  • Penis deformation: This medicine has to be used with caution in the patients that have a physical deformity of the penis There is an extremely high risk of permanent loss of sexual potency in such cases.
  • Painful and prolonged erection: This medicine has to be used with caution if you have had a prolonged painful erection. In such a case, consult a doctor.
  • Heart disease: This medicine should be used with caution in you have a condition of the heart and blood vessels. The intake of this medicine is not at all suggested if at all your medical consultant has asked you to not indulge in any sexual activity.
  • Risk of adverse effects: The risk of several side effects occurring is very high in smokers, elderly and those people who are suffering from several health conditions like high blood pressure, high cholesterol levels, etc. Caution should be exercised in such cases. There occur some other side effects like dizziness and pain that could occur while having intercourse after taking it. Such instances should be reported immediately.

Substitutes for Megalis 20 mg Tablet:

Below is the list of medicines, which have the same composition, strength and form as Megalis 20 mg tablet, and hence can be used as its substitute.

  • Pop Up 20 mg by Abbott Healthcare Pvt. Ltd
  • Tada 20 mg tablet by Lupin Ltd
  • Tadalis 20 mg tablet by Ajanta Pharma Ltd
  • Tadalis Sx 20 mg tablet by Ajanta Pharma Ltd
  • Tadora 20 mg tablet by Zydus Cadila

Megalis 20 mg Tablet Interactions:

The interactions with diseases that can be harmful to patients are:

  • Cardiovascular disease
  • Kidney Disease
  • Obstructive disease of the lungs
  • Priapism
  • Disease of the retina

The interaction of the medicine with other drugs that can be harmful are:

  • Amlodipine
  • Carbamazepine
  • Ketoconazole
  • Phenytoin
  • Nitroglycerin
  • Cimetidine


1) How long is the duration of effect?

Ans: The effect of this medicine lasts for an average duration of 36-40 hours.

2) What is the onset of action?

Ans: The effect of this medicine should be observable within 30-60 minutes of oral intake.

3) Are there any pregnancy warnings?

Ans: This should be refrained from consumption by pregnant women unless required. Consult a doctor and discuss the benefits and risks before taking this medicine.

4) Is it habit forming?

Ans: No habit-forming tendencies has been reported.

5) Are there any breast-feeding warnings?

Ans: This medicine should not be used nursing mothers. Doctors should be consulted in such a case.

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Last updated on : 21-05-2019

Disclaimer : Docprime doesn’t endorse or take any guarantee of the accuracy or completeness of information provided under this article and these are the views strictly of the writer. Docprime shall not be held responsible for any aspect of healthcare services administered with the information provided on this article.

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