Common Side Effects at 100mg Strength

If you need emergency medical care for a heart problem, it will be important for your healthcare provider to know when you last took SILDENAFIL CITRATE TABLETS.

• Sildenafil tablets like 100mg are a common ED therapy.
• Take the pill 30-60 minutes before planned sexual activity.
• The medication does not cause spontaneous erections.
• It is intended for use in adult men only.
• Follow the prescribed dosage to minimize risks.
• Avoid heavy or greasy food with the medication.
• Report any vision changes to your doctor immediately.
• Do not mix with recreational drugs or alcohol.
• Side effects are usually mild and temporary.
• In case of allergic reactions, stop use and seek help.
• Use with caution if you have low blood pressure.
• Always follow your healthcare provider’s guidance.

Ask your doctor if your heart is healthy enough to handle the extra strain of having sex.

Stronger erections, better sex

If someone takes too much Welgra 100, they may experience symptoms such as hot flashes, visual changes, dizziness, headache, nasal congestion, and indigestion. They need to inform their doctor and seek medical assistance immediately for appropriate care. The common side effects of Welgra 100 include headaches. Some less common symptoms are blurred vision, hot flashes, indigestion, dizziness, nasal congestion, nausea, and astigmatism.Additional less common symptoms may vary depending on individual constitution, including: Drowsiness, photophobia (sensitivity to light), eye congestion, tachycardia (rapid heartbeat), nosebleeds, vomiting, rashes, eye pain, rhinitis (nasal inflammation), and dizziness. Palpitations, sinus congestion, dry mouth, gastroesophageal reflux, musculoskeletal pain, visual disturbances, hypotension (low blood pressure).

Viagra for ED

Edema (swelling), dry eyes, epilepsy, abnormal sensations in the eyes, hoarseness, voice changes, itching, nasal edema, and fainting. Rarely, recurrent epilepsy and unexpected erections may occur. If the above symptoms do not improve or worsen, the patient should immediately notify the treating physician for timely advice and support. Patients should be open and honest with their doctors about all medications they are taking to avoid interactions with Welgra 100 and enhance their treatment effectiveness. Particularly, use Welgra 100 cautiously with the following types of medications: CYP3A4 inhibitor: These drugs can reduce the clearance of Sildenafil, the active ingredient of Welgra 100. SILDENAFIL CITRATE TABLETS does not protect you or your partner from getting sexually transmitted diseases, including HIV—the virus that causes AIDS.

Aspect	Description	Common Uses	Manufacturer
Drug Name	Sex Tablet 100mg	Erectile dysfunction treatment	PharmaCorp Ltd.
Active Ingredient	Sildenafil Citrate 100mg	Male sexual enhancement	Medico Pharmaceuticals
Typical Dosage	100mg per tablet	Taken before sexual activity
Approval Status	Approved by FDA in various countries	Prescription-only

SILDENAFIL CITRATE TABLETS is a prescription medicine used to treat erectile dysfunction (ED).

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You will not get an erection just by taking this medicine.

Safety Advice for Manforce 100mg Tablet 4s

Those taking substances that contain nitric oxide or organic nitrates simultaneously. Those with hereditary degenerative retinal disorders, such as retinitis pigmentosa. Those who have experienced a myocardial infarction or a recent stroke. Those who are allergic to any ingredient of the medication. Welgra 100 should be taken orally one hour before sexual intercourse.

Authors and Affiliations

Men should not take this medication more than once a day.It is important to strictly follow the dosage prescribed by physicians. The dosage may be adjusted based on each individual’s specific condition. The following dosages are for reference only. The dose of Welgra 100 may be increased to a maximum of 100 mg or reduced to 25 mg depending on individual tolerance. Patients with renal failureFor patients with renal failure, the dosage of Welgra 100 should be adjusted according to the severity of the condition: Mild or moderate renal failure (creatinine clearance 30 - 80ml/minute): Take the dose as recommended for adults (50 mg per day) without adjustment. SILDENAFIL CITRATE TABLETS helps a man with erectile dysfunction get and keep an erection only when he is sexually excited (stimulated).

• Sildenafil 100mg tablets help increase blood supply to the penis.
• Effectiveness starts within 30-60 minutes of intake.
• Take the tablet with a full glass of water.
• Do not take if allergic to sildenafil or similar drugs.
• Men over 65 should consult their doctor before use.
• Do not consume grapefruit or grapefruit juice during treatment.
• Side effects can include flushing, headache, or upset stomach.
• Inform your doctor if you have a history of vision problems.
• Follow dosage instructions carefully to avoid overdose.
• Use only if prescribed by a healthcare provider.
• Avoid taking with fatty foods that may delay absorption.
• Keep away from heat and moisture.

SILDENAFIL CITRATE TABLETS is not for use in women or children.

Start your treatment journey

Severe renal failure (creatinine clearance < 30ml/minute): The recommended dose is 25 mg per day. Patients with liver failureTake the dose of 25mg a dayPatients who are taking other medications should be aware of the following guidelines: Ritonavir: The maximum single dose of Welgra 100 should not exceed 25 mg within 48 hours. CYP3A4 inhibitors: Start with an initial dose of 25 mg of Welgra 100. Alpha-adrenergic blocking drugs: Patients should be stabilized before taking Welgra 100. It is advisable to consider starting with a lower dose of Welgra 100.

Erectile dysfunction

There is no need to adjust the above dose for the elderly. Children under 18 years of age should not use Welgra 100. Welgra 100 is typically taken on an as-needed basis, so missed doses are uncommon. However, if you do miss a dose, simply skip it. Remember to take the medication 1 hour before your next sexual intercourse, and do not take 2 doses at the same time. It is not known if SILDENAFIL CITRATE TABLETS is safe and effective in women or children under 18 years of age. Who should not take SILDENAFIL CITRATE TABLETS?

About this article

Patients with retinitis pigmentosa or disorders related to the phosphodiesterase gene in the retina. Here is all the essential information that users of Welgra 100 need to know for treating erectile dysfunction. With this information, patients can use the medication effectively and minimize the risk of unexpected side effects. Follow the Vinmec International General Hospital website to learn more about health, nutrition, and beauty, and to promote your health and that of your loved ones. All content on this page has been medically reviewed by: Hassan Thwaini, Clinical Pharmacist and Copywriter, Master of Pharmacy (MPharm) on 30 March, 2026.

More common

Sildenafil is an effective treatment for erectile dysfunction. It contains the same active ingredient as branded alternatives. Sildenafil works by encouraging more blood to flow to the penis, ensuring a strong erection when you need one. It’s effective for 82% of men.1 Find the clinically proven ED treatment that suits you best. No names, no logos, no delivery fee. Do not take SILDENAFIL CITRATE TABLETS if you: take medicines called nitrates (such as nitroglycerin) use street drugs called "poppers" such as amyl nitrate or amyl nitrite, and butyl nitrate take any medicines called guanylate cyclase stimulators such as riociguat (Adempas) are allergic to sildenafil, as contained in SILDENAFIL CITRATE TABLETS and REVATIO, or any of the ingredients in SILDENAFIL CITRATE TABLETS. See the end of this leaflet for a complete list of ingredients in SILDENAFIL CITRATE TABLETS.

• The drug helps men achieve firmer erections.
• It is available only via prescription in many countries.
• Do not take the medication with high-fat meals.
• Ensure you are well-hydrated when taking the pill.
• Men with cardiac issues should avoid sudden exertion.
• Seek medical help if you experience a prolonged erection.
• Do not use if you are taking palliative or blood pressure drugs.
• Always follow the dosage instructions provided.
• Store in a secure, dry place.
• The medication should not be shared.
• Use the medication only as advised by your healthcare provider.
• Be aware of possible drug interactions when combining medications.

What should I tell my healthcare provider before taking SILDENAFIL CITRATE TABLETS?

Chemical synthesis

CYP3A4 inducers: These may lower peak concentrations and AUC of Welgra 100. Ritonavir, Saquinavir, and Bosentan: Unlike the above drugs, these can increase peak concentrations and AUC of Welgra 100 Nitrites, organic nitrates, and nitric oxide: These increase the risk of hypotension. Alpha-blocking drugs: These can lead to symptomatic hypotension.Grapefruit juice: It may increase the plasma concentration of Welgra 100. Welgra 100 is not prescribed for women, pregnant women, and breastfeeding women. This medication is available by prescription only.

Your expert team

It is important cenforce tablets to be aware of any cardiovascular condition when treating erectile dysfunction with Welgra 100. Individuals who are advised against sexual activity due to health issues or other existing diseases should not use this medication. Patients with left ventricular outflow obstruction, multiple system atrophy syndrome, or ischemic optic neuropathy should carefully consider the use of Welgra 100. If a patient experiences a sudden loss of vision or a decrease or loss of hearing while taking Welgra 100, they should stop taking the medication immediately and seek medical attention for evaluation and treatment.Patients who experience erections lasting longer than 4 hours and do not improve with self-treatment should seek medical attention immediately for timely invention.It is important not to combine Welgra 100 with other PDE5 inhibitors or other medications for erectile dysfunction.The following individuals should be careful when using Welgra 100: Those with blood clotting disorders or acute peptic ulcer disease. Individuals with anatomical deformities of the penis or conditions that are more likely to cause painful erections. Before you take SILDENAFIL CITRATE TABLETS, tell your healthcare provider if you: have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve or heart failure have had heart surgery within the last 6 months have low blood pressure, or high blood pressure that is not controlled have had an erection that lasted for more than 4 hours have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia have retinitis pigmentosa, a rare genetic (runs in families) eye disease have ever had severe vision loss, including an eye problem called non-arteritic anterior ischemic optic neuropathy (NAION) have kidney problems or are having kidney dialysis Tell your healthcare provider about all the medicines you take1, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

• Sex tablets 100mg are used to treat erectile dysfunction in men.
• They contain active ingredient Sildenafil, which enhances blood flow.
• The usual recommended dose is 100mg taken prior to sexual activity.
• These tablets should be taken on an empty stomach for best effect.
• Do not exceed one tablet per 24 hours to avoid side effects.
• Possible side effects include headache, flushing, and dizziness.
• Alcohol can decrease the effectiveness of the medication.
• Consult a doctor before use if you have heart or liver conditions.
• Do not use if you are on nitrate medications due to health risks.
• Store tablets in a cool, dry place away from children.
• The onset of action typically occurs within 30 to 60 minutes.
• Do not drive or operate machinery until effects are known.

SILDENAFIL CITRATE TABLETS may affect the way other medicines work, and other medicines may affect the way SILDENAFIL CITRATE TABLETS works causing side effects.

Health And Lifestyle

4.6* from over 33,000 people like you. BSc (Hons) MBBS MRCGP AFHEA MA (Hons) AFMCP “Efficacy and Safety of Sildenafil Citrate for Treatment of Erectile Dysfunction in a Population With Associated Organic Risk Factors.” Journal of Andrology (2013). “Efficacy and Safety of Sildenafil Citrate for Treatment of Erectile Dysfunction in a Population With Associated Organic Risk Factors.” Journal of Andrology (2013). Answer a few simple questions to get the treatment you need. SILDENAFIL CITRATE- sildenafil citrate tablet, film coated Greenstone LLC What is the most important information I should know about SILDENAFIL CITRATE TABLETS?

Sildenafil Oral Film for ED

SILDENAFIL CITRATE TABLETS can cause your blood pressure to drop suddenly to an unsafe level if it is taken with certain other medicines. Do not take SILDENAFIL CITRATE TABLETS if you take any other medicines called "nitrates." Nitrates are used to treat chest pain (angina). A sudden drop in blood pressure can cause you to feel dizzy, faint, or have a heart attack or stroke. Do not take SILDENAFIL CITRATE TABLETS if you take medicines called guanylate cyclase stimulators which include: Riociguat (Adempas®) a medicine that treats pulmonary arterial hypertension and chronic-thromboembolic pulmonary hypertension. Tell all your healthcare providers that you take SILDENAFIL CITRATE TABLETS.