HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

If i take two 5mg of cialis will it still last in my system for 36 hours like the regular 10mg pill? or will the two only last for the 24hrs.?

A doctor has provided 1 answer
Dr. John Feola answered

Specializes in Internal Medicine

ED TX: Yes Cialis last 36 hours. Monitor your response and discuss with your doc other options . LEVITRA/VIAGRA. Make sure TESTOSTERONE LEVELS HAVE BEEN CHEXKED

Answered 4/25/2015

2.9k views

Thank

Related Questions

A member asked:

My dr gave me samples of Cialis 20mg and a 30 day pack of 5mg daily use. Could i take 4x 5mg pills to equal 20mg, when i run out of the single 20mgs?

A doctor has provided 1 answer

A member asked:

Is it ok to take 500mg of horny goat weed and Cialis 5, 10 or 20mg pill together?

A doctor has provided 1 answer

A member asked:

I take Cialis the 5 milligram pill but thinking about asking my doctor for a 10 milligram pill what would be the difference from a 5 to a 10 if any?

A doctor has provided 1 answer

A member asked:

I want to take pill to make my penis harder, what kind of pills please , Cialis ? Viagra (sildenafil) ? I am 28 years old, i can be hard but not to much

A doctor has provided 1 answer

A member asked:

Is it ok to take maca pill with high blood presure medication and Cialis

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

If i spilt my Cialis 10 or20mg pill in two will it still be as effective?
I take Cialis and it stays in your system for 36 hours does that mean I cannot drink alcohol for 36 hours...?
Will two 5mg of Cialis stay last you for 36 hours like the 10 and 20mg. Or should the two only be used for daily use?
I used to take Cialis 20mg but I opted for the daily 2.5mg one pill currently. If the daily of 2.5mg doesnt work can I increase the daily dosage to 5mg? Or if I don't take it daily and increase it to a safe dosage (10mg - 20mg) will that be okay?
If you take Cialis and you are not sexually stimulated will the drug stay in your system for sexual activity the next day?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.