Tadalafil (Cialis)
Chewable tablets or capsules.
Unlike older ED medications that require strict timing, Tadalafil offers the freedom of a 36-hour window. Available as daily low-dose (2.5-5mg) for 24/7 readiness, or as-needed (10-20mg) for planned intimacy. Also shown to improve lower urinary tract symptoms.
Interested in Tadalafil (Cialis)?
Our medical team will evaluate if this medication is right for you during your consultation.
Dosage & Administration
Daily Use: 2.5mg to 5mg taken at the same time each day. Provides continuous readiness without timing around intimacy.
As-Needed: 10mg to 20mg taken 30-60 minutes before intimacy. Effects last up to 36 hours.
Dosing is carefully personalized based on your response, other medications, and health profile.
Important: Like any prescribed medication, dosing varies from person to person. Always follow the dosage prescribed by your healthcare provider. Optimize 360 personalizes every protocol based on your labs, symptoms, and goals.
Side Effects
- Headache: The most common complaint, usually mild.
- Back Pain / Muscle Aches: Unique to Tadalafil — dull ache in lower back or thighs, typically resolves in 24-48 hours.
- Nasal Congestion: Stuffy nose from blood vessel dilation.
- Flushing: Warmth or redness in face/chest.
- Indigestion: Mild stomach discomfort.
Warning: Do NOT take Tadalafil if you take nitrate medications for chest pain (Nitroglycerin). The combination can cause dangerous blood pressure drops.
Why Choose Optimize 360 for Tadalafil (Cialis)
- Prescribed and monitored by Dr. Steve Farmer — 30+ years in hormone medicine
- Comprehensive lab work before prescribing — we never guess
- Sourced from licensed U.S. compounding pharmacies
- Transparent pricing — the price above is what you pay, no hidden fees
- Telehealth available nationwide — medications shipped to your door
- Unlimited messaging with your provider throughout treatment
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Related
How Tadalafil Works
Tadalafil (the active ingredient in Cialis) is a PDE5 inhibitor that enhances blood flow to the penis during sexual arousal. Like sildenafil, it blocks the PDE5 enzyme to allow smooth muscle relaxation and improved blood flow. Tadalafil's distinguishing feature is its long half-life of approximately 17.5 hours, which gives it a duration of action up to 36 hours — earning it the nickname "the weekend pill." This longer window allows for more spontaneous sexual activity without timing constraints.
Benefits & Clinical Evidence
Tadalafil has strong clinical evidence for both on-demand and daily use. The daily 5mg dose has been FDA-approved for both ED and benign prostatic hyperplasia (BPH), making it a dual-purpose medication for older men. Studies show that daily low-dose tadalafil may improve endothelial function and has been associated with potential cardiovascular benefits. Response rates in clinical trials range from 70-85% across various ED populations.
Who Is a Good Candidate?
Men who prefer spontaneity over timed dosing often favor tadalafil. The daily 5mg option is particularly suited to men in regular sexual relationships who want to be ready at any time. Men with concurrent BPH and ED may benefit from tadalafil's dual-action. As with sildenafil, a medical evaluation is required, and tadalafil is contraindicated with nitrate medications.
What to Expect: Treatment Timeline
On-demand tadalafil (10-20 mg) takes effect within 30-45 minutes and lasts up to 36 hours. Daily tadalafil (5 mg) reaches steady-state levels within about 5 days, after which it provides continuous readiness. Many patients on daily dosing report that they no longer need to "plan" around their medication. Some men notice improved morning erections within the first week of daily use.
Side Effects & Safety
Common side effects include headache, back pain, muscle aches, nasal congestion, and indigestion. Back pain and muscle aches are more specific to tadalafil compared to sildenafil and typically resolve within 48 hours. The long half-life means side effects may persist longer than with shorter-acting PDE5 inhibitors. Available at Optimize 360 from $2.25/tablet — a fraction of retail pharmacy pricing.
Frequently Asked Questions
A: Daily 5mg is ideal if you have sex regularly (2+ times per week) and want spontaneity. On-demand (10-20mg) is better for less frequent use. Your provider will recommend based on your frequency and preference.
A: Yes. Daily 5mg tadalafil is FDA-approved for BPH (enlarged prostate) symptoms including urinary frequency, urgency, and weak stream. If you have both ED and BPH, tadalafil addresses both with a single medication.
A: Generic tadalafil at Optimize 360 is $2.25/tablet. Brand-name Cialis at a retail pharmacy can cost $40-70+ per tablet. Same active ingredient, same manufacturing standards, significantly lower cost.
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