Viagra 100 mg

Manufacturer	Centurion Laboratories
Active Ingredient	Sildenafil citrate
Starts In	30 minutes to 1 hour
Last Long	Up to 4 to 5 hours
Type	Erectile Dysfunction

How It Works

Viagra 100 mg is a PDE 5 inhibitor. It blocks the action of the enzyme PDE 5 and relaxes the muscles present in the walls of the blood vessels. When there is sexual stimulation, cGMP enzyme is released in the body that helps men get and sustain an erection. Sildenafil Citrate, the key ingredient in Viagra 100 mg helps the effects of the cGMP enzyme last longer in men. It blocks the action of PDE 5 and does not let cGMP be destroyed. This allows the blood to flow easily to the penis. As cGMP is produced, more and more blood flows to the penis. As a result, a pressure is created in the penis that leads to an erection.

Uses

Viagra 100 mg is prescribed for the treatment of the following problems:

1. Erectile Dysfunction (ED) – an inability to achieve or maintain an erection making it difficult to have sexual intercourse.
2. Pulmonary Arterial Hypertension (PAH) – high blood pressure levels in the arteries connecting the heart and the lungs.

Dosage

A single tablet of Viagra 100 mg is recommended to be taken once per day. It can be taken with or without food. It is usually recommended to take the pill approximately 30 minutes to 1 hour before sexual intercourse. Do not consume more than one pill in 24 hours.

Missed Dose: An on-demand dosing schedule is generally followed. This means that this medicine is taken as and when needed. Therefore, you are less likely to miss a dose. However, if you take this medicine for Pulmonary Arterial Hypertension (PAH), take the missed dose as soon as possible. If it’s time for your next dose, skip the missed dose. Do not take a double dose to make up for the missed dose.

Overdose: An overdose of the drug can deteriorate your health and lead to various side effects. If you experience any side effects for long, contact your doctor immediately.

Important Advisory

Before you take Viagra 100 mg, tell your doctor:

1. If you are allergic to Viagra or any other medications.
2. If you have a history of stroke, heart attack, arrhythmia, chest pain.
3. If you take nitrates for chest pain.
4. If you are pregnant or breastfeeding.
5. If you have a physical deformity of the penis or Peyronie’s.
6. If you suffer from diseases such as diabetes, hypertension, high blood cholesterol, etc.
7. If you suffer from any retinal disorder.
8. If you suffer from sickle cell anemia, leukemia, or multiple myeloma.

Side Effects

Common side effects of Viagra 100 mg include:

1. Headache
2. Dizziness
3. Vomiting
4. Flushing
5. Blurred Vision
6. Nausea

In case of more visible side-effects, it is best to report to the doctor at the earliest and get consultancy.

Drug Interactions

If you take any medications to treat your existing illnesses or for recreational purposes, let your doctor know about them. Certain medications are known to affect the way Viagra 100 mg works.

1. Amlodipine
2. Carbamazepine
3. Antibiotics such as clarithromycin
4. Dexamethasone
5. Imatinib Mesylate
6. Oral antifungal medications such as ketoconazole
7. HIV Protease inhibitors such as atazanavir
8. Nitroglycerin
9. Isoniazid
10. ACE Inhibitors
11. Beta-blockers such as atenolol
12. Blood thinners such as warfarin

Interaction with alcohol

Alcohol is known to impart negative effects on the body and increase the chances of experiencing side effects. Avoid consuming alcohol alongside this medication.

Storage Instructions

1. Store in a cool and dry place.
2. Keep it away from the reach of children and pets.
3. Keep the medicine in its original packaging.
4. Maintain temperature as per label instructions.

Substitutes Available

Frequently Asked Questions (FAQs)

Can Viagra be taken twice a day?

Viagra 100 mg is recommended to be taken once in a day. If the dose is ineffective, consult your doctor for adjusting the dose. Avoid consuming an overdose as it can lead to serious side effects.

How long does Viagra 100mg last?

The effects of Viagra 100mg can last for around 4 to 5 hours.

References

• Irwin GM. Erectile Dysfunction. Prim Care. 2019 Jun;46(2):249-255. doi: 10.1016/j.pop.2019.02.006. Epub 2019 Apr 1. PMID: 31030826. Available from: https://pubmed.ncbi.nlm.nih.gov/31030826/
• Fink HA, Mac Donald R, Rutks IR, Nelson DB, Wilt TJ. Sildenafil for male erectile dysfunction: a systematic review and meta-analysis. Arch Intern Med. 2002 Jun 24;162(12):1349-60. doi: 10.1001/archinte.162.12.1349. PMID: 12076233. Available from: https://pubmed.ncbi.nlm.nih.gov/12076233/
• Chew KK, Stuckey BG, Thompson PL. Erectile dysfunction, sildenafil and cardiovascular risk. Med J Aust. 2000 Mar 20;172(6):279-83. Erratum in: Med J Aust 2000 May 15;172(10):511. PMID: 10860094. Available from: https://pubmed.ncbi.nlm.nih.gov/10860094/
• McMurray JG, Feldman RA, Auerbach SM, Deriesthal H, Wilson N; Multicenter Study Group. Long-term safety and effectiveness of sildenafil citrate in men with erectile dysfunction. Ther Clin Risk Manag. 2007 Dec;3(6):975-81. PMID: 18516312; PMCID: PMC2387281. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2387281/

 

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