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Viagra 100 MG Tablet

Manufacturer: Pfizer Ltd
Medicine composition: Sildenafil
Prescription vs.OTC: Prescription by Doctor not required
Last Updated: June 15, 2020

Viagra 100 MG Tablet is a prescription tablet used mainly in men to treat the sexual problem of erectile dysfunction (ED). It is a phosphodiesterase type 5 inhibitor that relaxes and dilates the blood vessels to increase the blood flow in certain parts of the body.

The good blood flow will activate the muscles of the Penis in Men, helping them fix the erectile dysfunction issues they may be facing. Furthermore, Viagra 100 MG Tablet also helps in the treatment of pulmonary arterial hypertension (PAH).

Men suffering from impotence or are unable to keep or get an erection should consume this tablet to solve the problem, but only after consulting it with a doctor. While consulting you must discuss the diseases you possibly have or the medications you already are taking.

The dosage depends on the purpose you are taking this medication for and it is mandatory that you stick to the prescribed dosages. Patients taking the medicine for PAH should consume it thrice a day as the duration of the effect lasts for 4-6 hours on average.

The most common use of this medication are:

  • Erectile Dysfunction

  • Pulmonary Arterial Hypertension (Pah)

  • Allergy

  • Nitrate containing medicines

  • Riociguat

This medication causes side effects such as:

  • How long is the duration of effect?

    The duration of the effect of tablet usually lasts for 2-4 hours on an average.

  • What is the onset of action?

    This medication starts working in less than an hour in most cases.

  • Is it habit forming?

    No, the medication is not habit forming.

  • Is It safe with alcohol?

    Consult your doctor before consuming alcohol.
  • Are there any pregnancy warnings?

    Pregnant women must avoid the use of medication completely. It is advised to consult your doctor.

  • Are there any breast-feeding warnings?

    Consult your doctor before consuming alcohol.
  • Is it safe to drive while on this medicine?

    It is advisable that you avoid driving while on this medication. The side effects like dizziness, drowsiness and fainting can affect your driving skills and can cause a mishap.

  • Does this affect kidney function?

    It is advisable that you do not use this medication if you have severe kidney impairment as it can aggravate the condition. You may use it in customised dosages if you suffer from mild kidney problems.

  • Does this affect liver function?

    The medication does not affect the liver function.

Below is the list of medicines, which have the same composition, strength and form as Viagra 100 MG Tablet , and hence can be used as its substitute.

  • Are there any missed dose instructions?

    Missed dose should be taken as soon as possible. It is recommended to skip your missed dose, if it is the time for your next scheduled dose.
  • Are there any overdose instructions?

    In cases of overdose, it is important that you consult a doctor immediately.

Viagra 100 MG Tablet does not directly cause penile erections, but affects the response to sexual stimulation. This medication relaxes the smooth muscles by inhibiting Phosphodiesterase type-5. This results in the increase of cyclic guanosine monophosphate (cGMP) which relaxes the smooth muscles and increases the flow of blood.

Whenever you take more than one medicine, or mix it with certain foods or beverages, you"re at risk of a drug interaction.

  • Interaction with Alcohol

    It is advised that you do not consume too much alcohol while on this medication as you may experience the side effects like drowsiness, dizziness, flushing or fainting.
  • Interaction with Medicine

    This medication interacts with Amlodipine, Carbamazepine, Clarithromycin, Dexamethasone, Imatinib Mesylate, Ketoconazole, Atazanavir, Nitroglycerin, Isoniazid, Terazosin, ACE inhibitors, Atenolol, Tamsulosin, and Warfarin.
  • Interaction with Disease

    The tablet can interact with cardiovascular diseases, kidney diseases, priapism and diseases related to retina. If you are suffering from any of it, consumption of this tablet may aggravate the conditions. If you notice a prolonged or painful erection, it can be a symptom of leukaemia, cell anaemia or deformation of penis. Discuss your medical history with the doctor before you taking the medication.
  • Interaction with Food

    You must avoid the usage of grapefruit juice in large quantities as it can reduce the effectiveness of the tablet. You may consult the doctor to get more information regarding food interactions.

Ques: What is Viagra 100 MG Tablet?

Ans: This medication has Sildenafil Citrate as an active element present. It performs its action by significantly improving the erection quality, anxiety levels, and sexual experience.

Ques: What are the uses of Viagra 100 MG Tablet?

Ans: It is used for the treatment and prevention from conditions such as Erectile Dysfunction, and Pulmonary arterial hypertension.

Ques: What are the Side Effects of Viagra 100 MG Tablet?

Ans: Side effects include Headache, Flushing, Bloody nose, Indigestion, Sleeplessness, Diarrhea, Dizziness, Bloody and cloudy urine, Burning, numbness, tingling in the arms and feet, Changes in vision, Sensitivity to light, Prolonged and painful erection, Painful urination.

Ques: What are the instructions for storage and disposal Viagra 100 MG Tablet?

Ans: Store this medication in a cool dry place and keep it in the original pack or container until it is time to take them. Store this medication out of sight and reach of children.

Ques: How long does it take for Viagra 100 MG Tablet to work?

Ans: The time taken by results to become evident differs from person to person. This medication usually starts showing effects between half an hour and one hour after intake. However, it may take more time if you have had a heavy meal. The effect of this drug may last for about 3-4 hours.

Ques: Can I get Viagra 100 MG Tablet without a prescription?

Ans: No. Since, it is a prescription medicine, you need the prescription of the doctor to get it. Your physician will prescribe it only after determining its suitability for you.

Ques: Can I take Viagra 100 MG Tablet as often as I want?

Ans: No, it is not recommended to take this medication more than once a day. If you take it more than the recommended dose, then you may experience certain side effects. These side effects may include flushing, headache, muscle pain, stomach upset, allergic reactions and vision changes such as blurred vision. Contact your physician if you do not experience an erection after taking this drug or if the erection does not last long enough for you to complete sexual intercourse.

Ques: When should I take Viagra 100 MG Tablet?

Ans: You should take this medication about 1 hour before intercourse. Swallow the tablet whole with 1 glass of water. Inform your doctor if you feel the effect of this drug is too strong or too weak.

Ques: Can I take this medication for premature ejaculation?

Ans: No, it is not associated with any beneficial effects against premature ejaculation. It can only be used to treat erectile dysfunction.

Ques: Why is the use of Viagra 100 MG Tablet contraindicated with nitrates?

Ans: Intake of this drug can be harmful for patients taking nitrates or blood pressure-lowering medicines as their interaction can cause a severe fall in blood pressure, which can also result in death. However, if these medicines are to be taken together then it is recommended that a time gap of 24 hours be maintained between the intake of Penegra and blood pressure-lowering medicines.
Disclaimer: The information produced here is best of our knowledge and experience and we have tried our best to make it as accurate and up-to-date as possible, but we would like to request that it should not be treated as a substitute for professional advice, diagnosis or treatment.

Lybrate is a medium to provide our audience with the common information on medicines and does not guarantee its accuracy or exhaustiveness. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert.

Lybrate does not take responsibility for any aspect of medicines or treatments. If you have any doubts about your medication, we strongly recommend you to see a doctor immediately.

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Content Details
Written By
PhD (Pharmacology) Pursuing, M.Pharma (Pharmacology), B.Pharma - Certificate in Nutrition and Child Care
Pharmacology
Reviewed By
MBBS, Master in Healthcare Administration, Diploma in Occupational Health
General Physician
Table of Content
About Viagra 100 MG Tablet
What are the uses of Viagra 100 MG Tablet
What are the contraindications of Viagra 100 MG Tablet ?
What are the side effects of Viagra 100 MG Tablet ?
Key highlights of Viagra 100 MG Tablet
What are the substitutes for Viagra 100 MG Tablet ?
What are the dosage instructions?
How does this medication work?
What are the interactions of Viagra 100 MG Tablet ?
FAQs about Viagra 100 MG Tablet