Cialis 2.5 mg 5 mg 10 mg 20 mg

What is Cialis?

Cialis is the brand name for tadalafil, a prescription medicine used to treat erectile dysfunction (ED) and symptoms of benign prostatic hyperplasia (BPH), which is an enlarged prostate. It can also be prescribed for both conditions in men who have them at the same time. Cialis works by improving blood flow to the penis during sexual stimulation and relaxing the muscles in the bladder and prostate, making urination easier.

Cialis is available in 2.5 mg, 5 mg, 10 mg, and 20 mg tablets. Because tadalafil is also available as a generic, many people compare prices for cheap options or buy it online from licensed U.S. pharmacies. Always ensure the medicine comes from a trusted source with clear labeling, correct strength, and a valid expiration date.

How It Works

Cialis belongs to a class of medicines called phosphodiesterase type 5 (PDE5) inhibitors. It works by blocking the PDE5 enzyme, which results in increased levels of cyclic GMP in smooth muscle cells. This chemical relaxes blood vessels in the penis and prostate, improving blood flow and allowing for erections during sexual stimulation, and relieving urinary symptoms from BPH.

Cialis differs from some other ED medicines because it has a longer half-life, lasting up to 36 hours, which is why it is sometimes called the “weekend pill.”

What you may notice

Improved ability to get and maintain an erection with sexual stimulation, and reduced urinary symptoms such as weak stream or frequent nighttime urination in men with BPH.

Dosage Information

The dose depends on whether Cialis is taken as needed or daily, and whether it is for ED, BPH, or both. Always follow your clinician’s instructions.

• For ED as needed: Start with 10 mg at least 30 minutes before sexual activity; may be adjusted to 20 mg or 5 mg based on effectiveness and tolerability.
• For ED daily use: 2.5 mg to 5 mg once daily at the same time each day.
• For BPH or ED + BPH: 5 mg once daily at the same time each day.

How to take it

Swallow tablets whole with water, with or without food. For as needed use, sexual stimulation is required for effectiveness. Do not take more than one dose per day. Avoid grapefruit juice, as it may increase side effects.

Cost and access tips

Generic tadalafil is often cheaper and works the same way. Buying from licensed online pharmacies can lower cost. Cheap pricing is fine when labeling and expiration dates are clear, and a pharmacist is available for questions.

Side Effects

Common side effects include headache, flushing, nasal congestion, indigestion, muscle or back pain, and dizziness. These are usually mild and temporary.

Less common but important

• Sudden vision or hearing loss: Rare but serious; stop taking and seek medical help immediately.
• Priapism: An erection lasting more than 4 hours requires urgent care to prevent permanent damage.
• Low blood pressure: More likely in those taking nitrates or certain blood pressure medicines.

Warnings & Interactions

Cialis should not be used with nitrates (such as nitroglycerin) or guanylate cyclase stimulators (such as riociguat), as the combination can cause a dangerous drop in blood pressure. Use with caution in men with heart disease, recent stroke or heart attack, uncontrolled high or low blood pressure, or severe liver or kidney problems.

Drug interactions

• Nitrates: Dangerous blood pressure drop when combined.
• Alpha blockers: May cause low blood pressure; dose adjustments may be needed.
• Strong CYP3A4 inhibitors: Such as ketoconazole or ritonavir, can increase tadalafil levels.

Practical safety tips

Only take Cialis as prescribed. Seek medical help if you experience chest pain during sex. If buying online, use licensed U.S. pharmacies, verify labeling and expiration dates, and ensure the product is genuine. Cheap pricing is acceptable when those checks are met.