Erectile Dysfunction (ED) is a sexual condition that affects around 322 million men globally. Fortunately, treatments like Cialis, an FDA-approved oral pill, can help manage it effectively. Cialis contains Tadalafil, a Phosphodiesterase Type 5 (PDE-5) inhibitor, as its active ingredient. Tadalafil promotes strong erections by widening blood vessels and increasing blood flow to the penile tissues.
Besides ED, Cialis is also approved for treating Benign Prostatic Hyperplasia (BPH), a condition of enlarged prostate that causes urinary symptoms like frequent urge to pee. Cialis has gained global popularity due to its 36-hour duration of action, making it suitable for spontaneous intimacy. However, factors like age and underlying health conditions can influence its duration of action.
This article will discuss how long does Cialis last, factors that affect its duration, safety tips, and a clear comparison of its effectiveness with other PDE5 inhibitors.
How long does Cialis last when treating ED and BPH
Cialis (Tadalafil) is a prescription-only PDE5 inhibitor that lasts for 36 hours when taken as needed. This is why it is often called the weekend pill. It is the longest-acting PDE5 inhibitor available and can support erections only during sexual stimulation.
Besides, Cialis is the only medication approved for daily ED treatment, with a starting dose of 2.5 mg. When used as needed for firm erections, the initial dose is 10 mg. On the other hand, if you are taking it daily for BPH management, doctors usually give 5 mg as the starting dose.
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Key points associated with its duration are:
- Onset of action: Cialis usually takes 30 to 60 minutes to take effect. Few studies have reported that after taking Tadalafil-containing tablets, some men can experience the onset of action as early as 15 minutes.
- Duration for as-needed: It remains active for 36 hours after intake to provide benefits like better sexual satisfaction, confidence boost, and stronger erections.
- Duration of daily use: When taken daily, Cialis doesn’t last just a few hours. The goal is to maintain steady Tadalafil levels so it works continuously. After 4-5 days of consistent use, stable levels are achieved, supporting erections and improving urinary symptoms throughout the day.
- Half-life: It refers to the time it takes for the concentration of a medicine to decrease by 50% in the body. The weekend pill has a long half-life of 17.5 hours.
- Not a sustained erection: The 36-hour duration and daily-dose effect do not mean a continuous erection. It means that it promotes an erection only when sexual stimulation occurs.
What can affect the duration of Cialis?
The duration of Cialis’s effects can vary depending on several factors, such as Tadalafil interactions and age. These factors can affect both the clearance time and duration of effectiveness, influencing how long the medication remains effective and detectable in the body.
- Age: The FDA reports that healthy men aged 65 years or older have lower oral clearance of Tadalafil. It results from a slower metabolic rate that can also lead to greater sensitivity to the medication. This can make effects last longer in older individuals.
- Underlying health issues: Overall health and certain underlying conditions, including Diabetes, kidney, liver, and heart issues, can influence the body’s ability to process the medicine. Ultimately, it can impact the onset of action and effectiveness.
- Other medicines: Certain medications, such as antibiotics, antifungals, and HIV Protease Inhibitors (PIs), such as Ritonavir, can increase the concentration of Cialis in the blood, prolonging its half-life and increasing the risk of side effects such as headache and dizziness. Moreover, anticonvulsants (medicines for seizures) can decrease Tadalafil concentration and shorten its duration of action.
To maintain Cialis’s effectiveness, take it 30-60 minutes before intimacy. If the pill doesn’t work for you, see a doctor for dose adjustments and get medically reviewed for any underlying health conditions.
What are the safety tips to keep in mind?
Cialis is considered safe for use in most men with ED. However, there are some precautions to consider to get optimal results while preventing health complications. Be mindful of the following points:
- Share your medical history: Inform your doctor of any kidney or liver diseases, ongoing medications, severe heart conditions, recent heart attack or Stroke, and unstable Angina. It will help prevent adverse interactions with Tadalafil.
- Stick to the prescription: Avoid exceeding 1 tablet a day and follow your doctor’s prescription. Overdosing or underdosing can impact the health and effectiveness of the pill, respectively. This can also increase the risk of side effects, such as headache, backache, flushing, and nasal congestion. However, these effects often improve on their own as the body adjusts to the dose.
- Combinations to avoid: Do not take Cialis with alpha-blockers (Tamsulosin), nitrates (Isosorbide Dinitrate, Nitroglycerin), or other blood pressure medications, as this can cause dangerous drops in blood pressure, fainting, or a heart attack. Avoid excessive alcohol, which can worsen dizziness and worsen ED, and grapefruit juice, which can raise Tadalafil levels and increase the risk of side effects.
How does the duration of Cialis differ from other ED pills?
When choosing oral medications for ED, it is important to know the lasting effect and onset of action to buy the most suitable pill. Most of the PDE5 inhibitors have a shorter duration of action than Cialis. While some men could prefer a shorter duration for planned intimacy, others can find longer-acting Cialis a better fit for spontaneity.
The table below compares duration and factors related to it to help you make an informed decision:
| Basis | Cialis | Other ED pills (Viagra, Levitra, Stendra) |
|---|---|---|
| Duration of action | 36 hours | 4-6 hours |
| Onset of action | 30-60 minutes | 15-60 minutes |
| Half-life | 17.5 hours | 4-5 hours |
| Full body clearance | 3 to 4 days | 1 to 2 days |
Conclusion
Cialis can last for up to 36 hours when taken as-needed for ED treatment. It is also known as the weekend pill and contains Tadalafil as an FDA-approved active ingredient. Its onset of action is 30 to 60 minutes, with some studies reporting onset as early as 15 minutes.
It is slowly eliminated from the body, with a half-life of 17.5 hours, and is eliminated in 3 to 4 days. Factors affecting its duration include age and underlying health issues, such as Diabetes. Alcohol can decrease its effectiveness, while medications like antibiotics can increase its blood level concentration. Tadalafil can be taken with or without food.
As a safety precaution, disclose your medical history to the doctor, take only 1 pill a day, avoid nitrates or alpha-blockers, and take it exactly as prescribed to minimize the risk of side effects such as headache and flushing. Additionally, compared with Cialis, other ED medicines like Viagra, Levitra, and Stendra last 4 to 6 hours, have a half-life of 4-5 hours, with a clearance
period of 1 to 2 days.
Frequently Asked Questions
When is Cialis at its peak?
Cialis reaches its peak blood concentration (Tmax) approximately 2 hours after oral administration. Its onset begins within 30 to 60 minutes, with full effectiveness lasting for up to 36 hours under sexual arousal.
Does Cialis raise testosterone?
No, Cialis is not known to increase testosterone levels. It can only treat Erectile Dysfunction by inhibiting the PDE5 enzyme and dilating blood vessels in the penis. However, few studies suggest that it can improve the testosterone-to-estrogen ratio in men with ED and or any metabolic issues.
Does Cialis reduce prostate size?
No, Cialis does not reduce or shrink the prostate size. It can only relax the smooth muscles of the prostate and bladder neck to improve BPH symptoms, such as a weak urine stream and incomplete bladder emptying.
Does Cialis make you urinate more?
No, Cialis does not make you urinate more. It only relaxes bladder and prostate muscles when taken daily in a 5 mg dosage to reduce BPH symptoms like poor urine flow and urgency to urinate. Therefore, its net effect is less frequent urination and not more.
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