Skip to main content
How Sildenafil Citrate Works in the Body

How Sildenafil Citrate Works in the Body

Sildenafil > sildenafil pills


Visit the FDA's Safe Disposal of Medicines website for more information.

  • Sildenafil can sometimes cause flushing and nasal congestion.
  • It is not a cure for erectile dysfunction, only a treatment option.
  • Psychological factors can also affect erectile performance alongside medication.
  • Sildenafil may sometimes interact with foods that contain high fat content.
  • Regular exercise and stress management can complement treatment with sildenafil.
  • The medication should be stored safely out of children's reach.
  • Reporting side effects to a healthcare provider is important for safety.
  • Sildenafil is typically started at a low dose, gradually increased if needed.
  • It is important to follow the prescribed timing for medication intake.
  • Discontinuing sildenafil should be discussed with a healthcare professional.

In case of overdose, call the poison control helpline at 1-800-222-1222.

UK DOCTORS AND CLINICIANS

Also tell your doctor if you have or have ever had pulmonary veno-occlusive disease (PVOD; blockage of veins in the lungs); a stomach ulcer; heart, kidney, or liver disease; a heart attack; heart failure; angina (chest pain); an irregular heartbeat; a stroke; chest pain; high or low blood pressure; high cholesterol; a bleeding disorder; blood circulation problems; blood cell problems such as sickle cell anemia (a disease of the red blood cells), multiple myeloma (cancer of the plasma cells), or leukemia (cancer of the white blood cells); conditions affecting the shape of the penis (e.g., angulation, cavernosal fibrosis, or Peyronie's disease); or diabetes. Also tell your doctor if you or any of your family members have or have ever had an eye disease such as retinitis pigmentosa (an inherited eye condition that causes loss of vision) or if you have ever had sudden severe vision loss, especially if you were told that the vision loss was caused by a blockage of blood flow to the nerves that help you see. if you are a woman and you are taking sildenafil to treat PAH, tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking sildenafil, call your doctor. if you are having surgery, including dental surgery, tell your doctor or dentist that you are taking sildenafil.

FDA Approval Information

if you are taking sildenafil to treat erectile dysfunction, tell your doctor if you have ever been advised by a healthcare professional to avoid sexual activity for medical reasons or if you have ever experienced chest pain during sexual activity. Sexual activity may be a strain on your heart, especially if you have heart disease. If you experience chest pain, dizziness, or nausea during sexual activity, call your doctor immediately and avoid sexual activity until your doctor tells you otherwise. tell all your healthcare providers that you are taking sildenafil. If you ever need emergency medical treatment for a heart problem, the healthcare providers who treat you will need to know when you last took sildenafil.

What are some other side effects of this drug?

Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medicine. If you are taking sildenafil for erectile dysfunction, you are unlikely to miss a dose since this medication is taken as needed, not on a regular dosing schedule. If you are taking sildenafil for PAH, take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one. Information is also available online at If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911. Do not let anyone else take your medication.

  • Sildenafil is a popular choice for men seeking non-invasive ED therapy.
  • It's important to have realistic expectations about sildenafil's effects.
  • The medication does not increase libido but improves blood flow.
  • Patients should limit alcohol consumption when using sildenafil.
  • It is recommended to consult a doctor if ED persists despite medication.
  • Sildenafil can be used as part of a comprehensive ED treatment plan.
  • The medication should be taken approximately an hour before planned activity.
  • Some patients experience no side effects at prescribed doses.
  • Always confirm that sildenafil is stored properly to maintain efficacy.
  • Report any unusual symptoms, such as chest pain or vision loss, immediately.

Ask your pharmacist any questions you have about refilling your prescription.

Advice Item Explanation Source
Take on an empty stomach Food, especially fatty meals, can delay absorption Medical guidelines
Avoid alcohol Can impair effectiveness and increase side effects Doctor advice
Do not exceed prescribed dose Increased risk of side effects Pharmaceutical recommendation
Report unexpected side effects Such as vision changes, prolonged erections Healthcare provider

Keep a written list of all of the prescription and nonprescription (over-the-counter) medicines, vitamins, minerals, and dietary supplements you are taking. Bring this list with you each time you visit a doctor or if you are admitted to the hospital. You should carry the list with you in case of emergencies. SILDENAFIL CITRATE- sildenafil citrate tablet, film coated Greenstone LLC What is the most important information I should know about SILDENAFIL CITRATE TABLETS?

Product Dosage Quantity + Bonus Price
Kamagra100mg60 + 4 Pills201.34€ 191.75€
Kamagra100mg20 Pills86.09€ 81.99€
Viagra Generic200mg90 + 6 Pills170.79€ 162.66€
Kamagra Oral Jelly100mg110 + 9 Sachets334.87€ 318.92€
Viagra Generic200mg270 + 10 Pills379.76€ 361.68€
Kamagra Oral Jelly100mg90 + 8 Sachets303.56€ 289.10€
Viagra Generic25mg270 + 8 Pills184.26€ 175.49€
Kamagra Polo100mg32 Pills125.88€ 119.89€
Viagra Generic100mg20 Pills45.58€ 43.41€
Viagra Generic150mg60 + 4 Pills111.25€ 105.95€
Viagra Generic100mg360 + 10 Pills330.21€ 314.49€
Viagra Generic150mg180 + 10 Pills236.46€ 225.20€
Kamagra Oral Jelly100mg63 + 7 Sachets224.18€ 213.50€
Kamagra Polo100mg60 + 4 Pills189.39€ 180.37€
Viagra Generic200mg10 Pills40.96€ 39.01€
Viagra Generic50mg30 + 4 Pills54.26€ 51.68€
Kamagra100mg120 + 6 Pills330.74€ 314.99€

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).

Further information

Keep all medication out of sight and reach of children as many containers are not child-resistant. Place the medication in a safe location – one that is up and away and out of their sight and reach. Dispose of unneeded medications in a way so that pets, children, and other people cannot take them. Do not flush this medication down the toilet. Talk to your pharmacist about take-back programs in your community. A sudden drop in blood pressure can cause you to feel dizzy, faint, or have a heart attack or stroke.

Chemical synthesis

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's sildenafil oral jelly 100mg (FDA) MedWatch Adverse Event Reporting program online ( or by phone (1-800-332-1088). Keep this medication in the container it came in, tightly closed, and out of reach of children. Store the tablets at room temperature and away from excess heat and moisture (not in the bathroom). Store the suspension at room temperature or in a refrigerator, but do not freeze it. Dispose of any unused suspension after 60 days. 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.

Age Range Suitability Notes
18-50 years Usually suitable Under doctor supervision
51-70 years Caution advised Dose adjustment may be needed
Over 70 years Use with caution Potential drug interactions

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 has been shown to aid men with diabetes-related ED.
  • The drug may also reduce blood pressure temporarily.
  • Some men may not respond to sildenafil due to various health factors.
  • It is recommended to take sildenafil on an empty stomach for faster effects.
  • Overdose symptoms include dizziness, fainting, and pain in the chest.
  • Sildenafil should not be used with other erectile dysfunction medications simultaneously.
  • Patients should inform their doctor if they experience prolonged erections.
  • Certain medical conditions require cautious use of sildenafil.
  • The medication can sometimes cause changes in color perception.
  • Always check the expiration date before using sildenafil pills.

Stop sexual activity and get medical help right away if you get symptoms such as chest pain, dizziness, or nausea during sex.

What should I do if I forget a dose?

numbness, burning, or tingling in the arms, hands, feet, or legs pain in muscles, back, arms, or legs changes in color vision (seeing a blue tinge on objects or having difficulty telling the difference between blue and green) sudden severe loss of vision (see below for more information) erection that is painful or lasts longer than 4 hours rash; itching; hives; difficulty breathing or swallowing; swelling of the eyes, face, throat, tongue, or lips Some patients experienced a sudden loss of some or all of their vision after they took sildenafil or other medications that are similar to sildenafil. The vision loss was permanent in some cases. It is not known if the vision loss was caused by the medication. If you experience a sudden loss of vision while you are taking sildenafil, call your doctor immediately. Do not take any more doses of sildenafil or similar medications such as tadalafil (Cialis) or vardenafil (Levitra) until you talk to your doctor.

Rank of Top Drugs Over Time

There have been reports of heart attack, stroke, irregular heartbeat, bleeding in the brain or lungs, high blood pressure, and sudden death in men who took sildenafil for erectile dysfunction. Most, but not all, of these people had heart problems before taking sildenafil. It is not known whether these events were caused by sildenafil, sexual activity, heart disease, or a combination of these and other causes. Talk to your doctor about the risks of taking sildenafil. Some patients experienced a sudden decrease or loss of hearing after they took sildenafil or other medications that are similar to sildenafil.

What should I do if I accidentally use too much sildenafil?

It is not known if the hearing loss was caused by the medication. If you experience a sudden loss of hearing, sometimes with ringing in the ears or dizziness, while you are taking sildenafil, call your doctor immediately. If you are taking sildenafil (Viagra) for erectile dysfunction, do not take any more doses of sildenafil (Viagra) or similar medications such as tadalafil (Cialis) or vardenafil (Levitra) until you talk to your doctor. If you are taking sildenafil (Liqrev, Revatio) for PAH, do not stop taking your medication until you talk to your doctor. Call your doctor if you have any unusual problems while you are taking this medication. Sexual activity can put an extra strain on your heart, especially if your heart is already weak from a heart attack or heart disease. Ask your doctor if your heart is healthy enough to handle the extra strain of having sex. SILDENAFIL CITRATE TABLETS does not protect you or your partner from getting sexually transmitted diseases, including HIV—the virus that causes AIDS.

Country Status Remarks
USA Prescription-only Approved for ED
UK Prescription-only Licensed medication
India OTC (some brands) Available with or without prescription
Australia Prescription required Controlled substance

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

Before Using

Some medications should not be taken with sildenafil. Make sure you have discussed any other medications you are currently taking or plan to take before starting sildenafil with your doctor and pharmacist. Before starting, stopping, or changing any medications while taking sildenafil, please get the advice of your doctor or pharmacist. tell your doctor if you are taking street drugs containing nitrates ('poppers') such as amyl nitrate, amyl nitrite, or butyl nitrate while taking sildenafil. Your doctor will tell you not to take sildenafil if you are taking street drugs containing nitrates.

IV Administration

tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. you should know that sildenafil is available under the brand names Liqrev, Revatio, and Viagra. You should only be treated with one of these products at a time. The following nonprescription or herbal products may interact with sildenafil: cimetidine (Tagamet HB), St.

Viagra Tablets

John's wort. Be sure to let your doctor and pharmacist know that you are taking these medications before you start taking sildenafil. Do not start these medications while taking sildenafil without discussing it with your healthcare provider. tell your doctor if you smoke, if you have had heart surgery within the last 6 months, if you have ever had an erection that lasted for more than 4 hours, and if you have recently lost a large amount of body fluids (dehydration). This can happen if you are sick with fever, diarrhea, or vomiting; sweat a lot; or do not drink enough liquids. You will not get an erection just by taking this medicine.

  • Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor.
  • The drug was first approved by the FDA in 1998.
  • It can be purchased online but requires a prescription in most countries.
  • Generic versions of sildenafil are typically cheaper than brand-name Viagra.
  • Proper storage involves keeping it at room temperature away from moisture.
  • Sildenafil does not protect against sexually transmitted diseases.
  • Lifestyle changes like exercise and healthy eating can enhance results.
  • Combining sildenafil with other ED treatments should be discussed with a doctor.
  • It's important to inform your doctor about all medications you take.
  • Sildenafil is not an aphrodisiac and requires sexual stimulation to work.

SILDENAFIL CITRATE TABLETS helps a man with erectile dysfunction get and keep an erection only when he is sexually excited (stimulated).

Erstellt mit WebSite X5
Info / Do you have questions?
Feel free to send me an email with your question, preferred appointment time or request.
You are also welcome to leave me a message on my voicemail and I will get back to you as soon as possible.

> Appointments by arrangement only <

Anschrift: Schlößlesweg 2/2,
71640 Ludwigsburg
Back to content