Optithik Tablet 25 Mg (Sildenafil Citrate)

Price range: $53.38 through $98.77Required

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Pack SizePriceUnit PriceQuantity 
30 Tablet/s$53.38$1.78 / tablet
60 Tablet/s$76.30$1.27 / tablet
90 Tablet/s$98.77$1.10 / tablet
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Estimated delivery: October 9, 2026 – October 14, 2026
Written by Dr Ambrose Chan, MD, MD Medically reviewed by Dr. Sabrina Castillon, MD, MD
Last updated on September 14, 2026
Description

About Optithik Tablet 25 Mg (Sildenafil Citrate)

Medicine information

Delivery time
United States, United Kingdom, Canada, and Australia: typically 10–14 business days after dispatch. Europe: typically 12–18 business days. Middle East and other served destinations: typically 14–21 business days. These are estimates and customs or local carrier delays may extend delivery.
Indication
Treatment of erectile dysfunction in adult men.
Packaging
Strip of 10 tablets.

Medicine overview

Optithik Tablet 25 mg contains sildenafil, supplied as sildenafil citrate, and is used to treat erectile dysfunction in adult men. Sildenafil belongs to the phosphodiesterase type 5 (PDE5) inhibitor class. It improves the normal erectile response by increasing blood flow into the penis during sexual stimulation. The medicine does not produce an erection without sexual arousal and does not increase sexual desire. Optithik is an oral tablet containing 25 mg sildenafil.

What it is used for

Optithik Tablet 25 mg is used for erectile dysfunction, where a man has difficulty getting or maintaining an erection adequate for sexual activity. Sildenafil supports an erection when sexual stimulation triggers the normal nitric-oxide pathway. The verified indication for this specific Optithik product is erectile dysfunction; it should not be assumed to have the same indications or dosing as sildenafil products formulated for pulmonary arterial hypertension.

How it works

During sexual stimulation, nitric oxide is released in erectile tissue and increases cyclic guanosine monophosphate (cGMP), which relaxes smooth muscle and allows more blood to enter the penis. Sildenafil inhibits PDE5, the enzyme that normally breaks down cGMP. This allows the cGMP signal to last longer and supports increased penile blood flow. Sexual stimulation is still required for sildenafil to help produce an erection.

How it is taken

Take Optithik by mouth exactly as prescribed. Sildenafil for erectile dysfunction is generally taken as needed, approximately 1 hour before sexual activity, although it may be taken from 30 minutes to 4 hours beforehand. It can be taken with or without food, but a high-fat or large meal can delay its effect. Sildenafil for erectile dysfunction should not be taken more than once in 24 hours. Swallow the tablet with water and do not take additional sildenafil or another erectile-dysfunction medicine unless specifically instructed by a healthcare professional.

Important warnings

Do not take sildenafil with nitrates such as nitroglycerin or isosorbide, or with recreational nitrites known as “poppers”; the combination can cause a dangerous fall in blood pressure. Sildenafil is also contraindicated in people with hypersensitivity to sildenafil or tablet ingredients. Tell the prescriber about heart or blood-pressure problems, previous heart attack or stroke, kidney or liver impairment, bleeding disorders, penile abnormalities, and all medicines being used. Particular caution is needed with alpha-blockers, other blood-pressure-lowering medicines, strong CYP3A4 inhibitors, and other PDE5 inhibitors. Seek urgent medical attention for an erection lasting more than 4 hours, sudden loss or marked reduction of vision or hearing, severe allergic symptoms, fainting, or chest pain. If chest pain occurs after sildenafil, tell emergency medical personnel when sildenafil was taken because nitrate treatment may be unsafe.

Side effects and monitoring

Common effects include headache, flushing, indigestion or heartburn, nausea, nasal symptoms, dizziness, and temporary visual changes such as altered colour perception. Less common but serious reactions include prolonged or painful erection, sudden hearing loss, sudden severe vision loss, severe hypotension, allergic reactions, and cardiovascular symptoms such as chest pain. Obtain urgent medical attention for an erection lasting longer than 4 hours, sudden vision or hearing loss, chest pain, fainting, or signs of a severe allergic reaction. Routine laboratory monitoring is not generally required solely because sildenafil is being used for erectile dysfunction, but medical review may be needed when significant cardiovascular, kidney, liver, or interacting-drug concerns are present.

Pregnancy

Optithik for erectile dysfunction is not indicated for use in women. Sildenafil is not usually used during pregnancy; use in a pregnant person should only occur for an appropriate medical indication under specialist medical guidance.

Breastfeeding

Optithik for erectile dysfunction is not indicated for use in women. Limited evidence shows that sildenafil and its active metabolite can pass into human milk, while information about effects on a breastfed infant or milk production is insufficient.

Food, drink and interactions

Avoid excessive alcohol when using sildenafil. Heavy alcohol consumption can make it more difficult to achieve an erection and may increase problems such as dizziness or low blood pressure.

Food and drink

Sildenafil may be taken with or without food. A large or high-fat meal can delay absorption and make the medicine take longer to work. Avoid grapefruit and grapefruit juice because they may increase sildenafil exposure and the likelihood of side effects.

Storage

Store below 30°C. Keep the tablets protected from inappropriate heat and moisture and out of the reach of children.

Frequently asked questions

Does sildenafil still work if I eat before taking it?

Yes, sildenafil can be taken with or without food, but a large or high-fat meal may delay how quickly it starts working.

Do I need to be sexually aroused for Optithik to work?

Yes. Sildenafil supports the natural erectile response during sexual stimulation; taking the tablet by itself does not automatically cause an erection.

Can I take another sildenafil tablet later the same day if the first one does not work?

Do not take sildenafil for erectile dysfunction more than once in 24 hours. Do not change the prescribed amount or repeat a dose without medical guidance.

Can I drink alcohol after taking sildenafil?

Avoid excessive alcohol. Drinking heavily can make erections more difficult and may increase dizziness or low-blood-pressure effects.

What should I do if an erection lasts too long?

Get urgent medical attention if an erection lasts more than 4 hours. Prolonged erection, called priapism, can permanently damage penile tissue if it is not treated promptly.

Can I take Optithik with nitroglycerin or other nitrate medicines?

No. Sildenafil must not be combined with nitrates because blood pressure can fall to a dangerous level.

Can Cheap Generic Med ship sildenafil to the United States?

Cheap Generic Med serves the United States under its international shipping model. Delivery is typically estimated at 10–14 business days after dispatch, but customs or carrier delays can extend transit. Prescription and personal-import requirements may apply.

Will my Cheap Generic Med sildenafil order have tracking?

Tracked international shipping is used under the standard fulfilment model. A tracking number should be provided after dispatch, although carrier systems may take 24–72 hours to begin showing movement.

Sources

  1. www.dailymed.nlm.nih.gov
  2. medlineplus.gov
  3. www.nhs.uk
  4. dailymed.nlm.nih.gov

Medical information notice: This information does not replace advice from a qualified healthcare professional. Use prescription medicine only as directed by the prescriber and the approved product information.

Additional information
Active IngredientsSildenafil Citrate
ManufacturerAkumentis Healthcare Ltd
PackagingQty
strength25mg
Delivery Time6 To 15 days
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